We are leading manufacturer of Flanges & Pipe Fittings.

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FLAGES

Our company supplies and export an extensive range of Forged Flanges, which is a type of pipe flanges available in various materials. These products are specially designed in such a way that the outer diameter of the pipe is slightly smaller than the diameter of the flanges. To ensure that these products comply with the industry Standards, our experienced professionals stringently check and test on various required parameters. Furthermore, we offers SORF Flanges at reasonable prices.We make use of latest techniques to manufacture a wide range of Forged Flanges. These include Weld Neck Flange, Slip on Flange, Socket Welding Flange, Lap Joint Flange and Threaded Flange.

Stainless Steel Flanges
Sr. No.
Material
Size
Class
Specification
Items
1
Forged
Flanges
15 NB
to
750 NB
150#
300#
600#
900#
1500#
A-182
ANSI B16.5
SORF
WNRF
BLRF
SWRF
LAP Joint
Threaded
Reducing
2
Plate
Flanges
15 NB
to
500 NB
ASA 150
Table D
Table E
DIN Table
ND-6
ND-10
ASA 300
Table F
Table H
ND-16
ND-25
ND-40
A-240,
ANSI B16.5
SORF
BLRF
LAP Joint &
Spectacle

 

Note:-
Grade304
304L
304H
316
316L
316LN
316Ti
309
310S
317L
321
347
410
420
440C
202 Etc.
Test CertificateManufacturer Test Certificate
Under Third Party Inspection
SpecializeAs Per Drawing

 

Carbon Steel Flanges
Sr. No.
Material
Size
Class
Specification
Items
1
Forged
Flanges
15 NB
to
750 NB
150
300
600
900 &
1500 LBS
A-105
ANSI B16.5
SORF
WNRF
BLRF
SWRF
LAP Joint
Threaded
Reducing
2
Plate
Flanges
15 NB
to
500 NB
ASA 150
ASA 300
Table ‘D’
Table ‘E’
Table ‘F’
Table ‘H’
DIN Table
ND-6
ND-10
ND-16
ND-25
ND-40
A-516, Gr.60/70
IS 2062
ANSI B16.5
SORF
BLRF
LAP Joint &
Spectacle

 

Note:-
Other Grade AvailableA-350 LF2
Test CertificateManufacturer Test Certificate
IBR Test Certificate (Form III-C)
Under Third Party Inspection
SpecializeAs Per Drawing
IBR Flanges

 

Nickel Alloy Flanges
Sr. No.
Material
Size
Class
Specification
Items
1
Cupro Nickel
Hastelloy
Nickel
Monel
Inconel
Alloy 20
Duplex
15 NB
to
200 NB
150#
300#
ASTM
BS
DIN
SORF, WNRF, BLRF, SWRF, LAP Joint, Threaded, Reducing
ASA 150, 300
Table D, E, F, H, DIN, ND-6, 10, 16, 25, 40
SORF, BLRF, LAP Joint Etc.

 

Note:-
GradeCupro Nickel (90/10, 70/30, 66/30/2/2)
Hastelloy (C-4, C-22, C276, B-2)
Nickel (200 / 201 / 205)
Monel (400 & K500)
Inconel (600, 601, 625 & 825)
Incolloy (800, 800H)
Alloy 20
Duplex Steel
SS 904L
Titanium (1 & 2) Etc.
Test CertificateManufacturer Test Certificate
Under Third Party Inspection

BLIND FLANGES

The Blind Flange is used to close ends of piping systems. It is a kind of round plate with no center hold but with all the proper bolt holes. This blind flange is available in various sizes and materials and is used to provide positive closer on the ends of pipes, valves or equipment nozzles. This flange helps in easy access to a line once it has been sealed. The blind flange is sometimes custom made or machined to accept a nominal sized pipe to which reduction is being made. This reduction can be a threaded reduction or welded reduction.

Blind Flanges Product Range
Range : ½” (15 NB) to 48″ (1200NB) in 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS ASA 150, ASA 300, PN 6,10,16,25, 40,64,100,160 ETC. Available with NACE MR 01-75

Stainless Steel Blind Flanges
Grade : 304, 304L, 304H, 309, 310, 310S, 316, 316Ti, 316 L, 317, 317L, 321, 347, 347 H, 409, 410, 410S, 420, 430L

Duplex Steel Blind Flanges
Grade : 2205 (UNS No. S31803), 2507 (UNS No. S32750)

Nickel Alloy Blind Flanges
Grade : Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020), Titanium (Grade I & II)

Copper Alloy Blind Flanges
Grade : UNS No. C 10100, 10200, 10300, 10800, 12000, 12200, 70600, 71500, UNS No. C 70600 (Cu -Ni- 90/10), C 71500 (Cu -Ni- 70/30)

Variations:
Face finish : Raised face (RF) – Flat face (FF) – RTJ – …
Variations : Spectacle Blind

Standards:
ASTM A182 – ASME SA182 – ‘Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings’

ASME B16.5 – ‘Pipe Flanges and Flanged Fittings’
ASME B16.36 – ‘Orifice Flanges’
ASME B16.47 – ‘Large Diameter Steel Flanges NPS26 Through NPS60’

MSS SP-6 – ‘Standard Finishes for Contact Faces of Pipe Flanges and Connecting End Flanges of Valves and Fittings’
Dimensions
Diameter : 1/2″ à 24″

Pressure class : 150# – 300# – 600# – 1500#

Grades : F304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L Duplex stainless steel UNS S31803, 2205, Super Duplex stainless steel UNS S32750

Class: Class 150, Class 300, Class 400, Class 600, Class 900, Class 1500

Features of blind flanges:
Some important features of blind flanges are as follows:
Blind flanges are sometimes supplied with NPT fittings which allow pressure test connections to be fitted.
They are used to blank off the ends of pipe.
They are also used to blank off the ends of valves and pressure vessel opening.
Considering factors like internal pressure and bolt loading, blind flanges, especially in the larger sizes, are the most highly stressed of all types of flanges.
Since the maximum stresses in a blind flange are bending stresses at the center, they can safely be allowed to be higher than in other types of flanges
Blind flanges are made to fit standard pipes in all sizes..

Notes :
Flange dimensions to ANSI to B16.5.
Dimensions “D” includes raised face thickness.
Larger outlet sizes available on applications.
ANSI 150# / 300# 2mm Raised Face.
ANSI 600# / 2500# 7mm Raised Face.

SPECTACLE BLIND

Our product range also comprises of Carbon Steel Flanges, Spectacle Flange and Duplex Flanges.These are durable in quality and are precision made. These spectacle flanges are made from high quality carbon steel and stainless steel and are offered in different dimensions & sizes that ensure that no compromise is made the aspect of quality.

Spectacle Flanges Range
½” (15 NB) to 48″ (1200NB) in 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS ASA 150, ASA 300, PN 6,10,16,25, 40,64,100,160 ETC. Available with NACE MR 01-75

Stainless Steel Spectacle Flanges
Grade : 304, 304L, 304H, 309, 310, 310S, 316, 316Ti, 316 L, 317, 317L, 321, 347, 347 H, 409, 410, 410S, 420, 430L

Duplex Steel Spectacle Flanges
Grade : 2205 (UNS No. S31803), 2507 (UNS No. S32750)

Nickel Alloy Spectacle Flanges
Grade : Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020), Titanium (Grade I & II)

Copper Alloy Spectacle Flanges
Grade : UNS No. C 10100, 10200, 10300, 10800, 12000, 12200, 70600, 71500, UNS No. C 70600 (Cu -Ni- 90/10), C 71500 (Cu -Ni- 70/30)

Dimensions :
Spectacle Flanges Standard

ANSI : ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48

DIN : DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673

B.S : BS4504 , BS4504, BS1560, BS10

OTHER : PLATE, PLATE BLANK

Spectacle Blinds Flanges ANSI B16.5 Class 150 Flanges

ANSI flanges are available at Steel Tubes India Flange in class 150. The ANSI flanges in the class 150 specification cover slip-ons, weld necks, lap joints, blinds, threaded and socket weld flanges. ANSI flanges for class 150 are provided by Steel Tubes India Flange as forgings unless otherwise specified.

CLASS 150 SPECTACLE BLINDS

 NPS Outside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W
1/2451660338
3/4542170338
1642780338
7342906.438
83481006.438
2102611206.451
107731406.451
3133891506.464
1591021759.764
41721141909.764
51941412159.776
621916824012.776
827621930012.776
1033727336015.7102
1240632443019.1102
1444835647519.1108
1651140646022.4108
1854645758025.4114
2060350863528.4121
2471461075031.8140
 NPS Outside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W

Spectacle Blinds Flanges ANSI B16.5 Class 300 Flanges

ANSI flanges are available at Steel Tubes India Flange in class 300. The ANSI flanges in the class 300 specification cover slip-ons, weld necks, lap joints, blinds, threaded and socket weld flanges. ANSI flanges for class 300 are provided by Steel Tubes India Flange as forgings unless otherwise specified.

ClASS 300 SPECTACLE BLINDS

NPS Outside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W
1/25116656.438
3/46421806.438
17027906.438
79421006.438
92481156.438
2108611259.751
127731509.751
3146891709.764
16210218512.764
417811420012.764
521314123515.776
624816827015.776
830521933022.476
1035927338525.4102
1241932445028.4102
1448335651531.8108
1653640657038.1108
1859445763041.1114
2065150868544.5121
2477261081050.8140
 NPS Outside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W

Spectacle Blinds Flanges ANSI B16.5 Class 400 Flanges

ANSI flanges are available at Steel Tubes India Flange in class 400. The ANSI flanges in the class 400 specification cover slip-ons, weld necks, lap joints, blinds, and threaded flanges. ANSI flanges for class 400 are provided by Steel Tubes India Flange as forgings unless otherwise specified.

Spectacle Blinds Flanges ANSI B16.5 Class 600 Flanges

ANSI flanges are available at Steel Tubes India Flange in class 600. The ANSI flanges in the class 600 specification cover slip-ons, weld necks, lap joints, blinds, threaded and socket weld flanges. ANSI flanges for class 600 are provided by Steel Tubes India Flange as forgings unless otherwise specified.

CLASS 600 SPECTACLE BLINDS

NPS Outside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W
1/25116656.438
3/46421806.438
17027906.457
79371009.757
92431159.767
2108551259.757
1276715012.767
31468317012.767
1599618515.776
419110821515.776
523813526519.186
626416229022.486
831821235028.495
1039726543035.1105
1245431549041.1105
1448934652544.5114
1656239760550.8124
1861044865553.8133
2067949772563.5133
2478759784073.2152
 NPS Outside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W

Spectacle Blinds Flanges ANSI B16.5 Class 900 Flanges

ANSI flanges are available at Steel Tubes India Flange in class 900. The ANSI flanges in the class 900 specification cover slip-ons, weld necks, lap joints, blinds, threaded and socket weld flanges. ANSI flanges for class 900 are provided by Steel Tubes India Flange as forgings unless otherwise specified.

 NPS Outside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W
1/26016806.438
3/46721906.441
176271006.457
86371109.757
95431259.767
21405516512.757
1626719012.767
31658319015.767
420310823519.176
524413528022.486
628616232025.486
835621239535.195
1043226547041.1105
1249531553547.8105
1451834656053.8114
1657239761560.5124
1863544868566.5133
2069649775073.2133
2483559790088.9152
 NPS Outside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W

Spectacle Blinds Flanges ANSI B16.5 Class 1500 Flanges

ANSI flanges are available at Steel Tubes India Flange in class 1500. The ANSI flanges in the class 1500 specification cover slip-ons, weld necks, lap joints, blinds, threaded and socket weld flanges. ANSI flanges for class 1500 are provided by Steel Tubes India Flange as forgings unless otherwise specified.

NPS Outside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W
1/26116806.438
3/46721909.741
176271009.764
86351109.764
954112512.770
21405316512.770
1626319015.776
31727820519.176
420610224022.489
525112829028.489
627915432035.189
834920339541.1102
1043225548050.8114
1251830357060.5114
1457533363566.5127
1663838170576.2133
1870242977585.9146
2075247883095.3152
24899575990111.3178
 NPS Outside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W

Spectacle Blinds Flanges ANSI B16.5 Class 2500 Flanges

ANSI flanges are available at Steel Tubes India Flange in class 2500. The ANSI flanges in the class 2500 specification cover slip-ons, weld necks, lap joints, blinds, and threaded flanges. ANSI flanges for class 2500 are provided by Steel Tubes India Flange as forgings unless otherwise specified.

NPS Outside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W
1/26716909.738
3/47321959.741
183271109.764
1023513012.764
1144114515.770
21435317015.770
1656319519.176
31947823022.476
423210227528.489
527612832535.189
631415437041.189
838419844053.8102
1047324854066.5114
1254628962079.2114
 NPS Outside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W

General notes:

Dimensions are in millimeters unless otherwise indicated.
D = Hole size (where required) should be the same as the flange bolt hole. In practice, these dimensions have been rounded round off upwards.
Wt = Thickness of the web (or tie bar) should be 6 mm minimum, or equal to Thickness (t) if less than 6 mm.
Spectacle Blinds Flanges should be made from a plate or forging specification, approved for use by ASME B31.3, of essentially the same chemical composition as the mating flanges and piping involved.
Spectacle Blinds Flanges according to ASME B16.48 may be used for installation between ASME B16.5 flanges
Depending on a customer specification, some dimensions can be different from what on this page is defined.

HIGH HUB BLIND FLANGES

The high hub blind flange is used to close ends of piping systems. It is a kind of round plate with no center hold but with all the proper bolt holes. This high hub blind flange is available in various sizes and materials and is used to provide positive closer on the ends of pipes, valves or equipment nozzles. This flange helps in easy access to a line once it has been sealed. The high hub blind flange is sometimes custom made or machined to accept a nominal sized pipe to which reduction is being made. This reduction can be a threaded reduction or welded reduction.

Dimensions
Class 150 HH High Hub Blind Flanges

Item IDClass 150 HH High Hub Blind Flanges Description
1FF .51RHHBLD1/2 150 RF HIGH HUB BLIND ASME B16.5 001 lbs
1FF .751RHHBL3/4 150 RF HIGH HUB BLIND ASME B16.5 002 lbs
1FF 11RHHBL1 150 RF HIGH HUB BLIND ASME B16.5 002 lbs
1FF 1.51RHHBL1 1/2 150 RF HIGH HUB BLIND ASME B16.5 004 lbs
1FF 21RHHBL2 150 RF HIGH HUB BLIND ASME B16.5 005 lbs
1FF 31RHHBL3 150 RF HIGH HUB BLIND ASME B16.5 009 lbs
1FF 41RHHBL4 150 RF HIGH HUB BLIND ASME B16.5 017 lbs

 

Class 300 HH High Hub Blind Flanges

Item IDClass 300 HH High Hub Blind Flanges Description
1FF .53RHHBL1/2 300 RF HIGH HUB BLIND ASME B16.5 002 lbs
1FF .753RHHBL3/4 300 RF HIGH HUB BLIND ASME B16.5 003 lbs
1FF 13RHHBL1 300 RF HIGH HUB BLIND ASME B16.5 003 lbs
1FF 1.53RHHBL1 1/2 300 RF HIGH HUB BLIND ASME B16.5 006 lbs
1FF 23RHHBL2 300 RF HIGH HUB BLIND ASME B16.5 008 lbs

 

Class 600 HH High Hub Blind Flanges

Item IDClass 600 HH High Hub Blind Flanges Description
1FF .756RHHBL3/4 600 RF HIGH HUB BLIND ASME B16.5 004 lbs
1FF .56RHHBL1/2 600 RF HIGH HUB BLIND ASME B16.5 004 lbs
1FF 16RHHBL1 600 RF HIGH HUB BLIND ASME B16.5 004 lbs
1FF 1.56RHHBL1 1/2 600 RF HIGH HUB BLIND ASME B16.5 008 lbs
1FF 26RHHBL2 600 RF HIGH HUB BLIND ASME B16.5 010 lbs

 

Copper Alloy High Hub Blind Flanges
ASTM / ASME SB 61 / 62 / 151 / 152.
C 70600 (CU -NI- 90/10) – Cupro Nickel High Hub Blind Flanges 
C 71500 (CU -NI- 70/30) – Copper Nickel High Hub Blind Flanges
UNS NO. C 92200, UNS NO. C 83600, UNS NO. UNS NO C 10100,
C 10200, C 10300, C 10800, C 12000, C 12200

Duplex Steel High Hub Blind Flanges
ASTM / ASME A/SA 182 UNS F 44, F 45, F51, F 53, F 55, F 60, F 61.

Alloy Steel High Hub Blind Flanges – AS High Hub Blind Flanges
ASTM SA 182 F1/F5/F9/F11/F22/F91

Carbon Steel High Hub Blind Flanges – CS High Hub Blind Flanges 
ASTMA 105 Gr. F42/46/52/56/60/65/70

Low Temperature Carbon Steel High Hub Blind Flanges – LTCS High Hub Blind Flanges
A350 LF2/A350 LF3

Value Added Services
• Hot Dip Galvanizing • Electro polish

Test Certificate
Mill Test Certificate as per EN 10204 / 3.1B

Duplex Stainless Steel : Duplex Stainless Steel High Hub Blind Flanges – Duplex SS High Hub Blind Flanges 
ASTM A 182 – High Hub Blind Flanges
F 51 UNS S31803 High Hub Blind Flanges
S32750 High Hub Blind Flanges
S31500 High Hub Blind Flanges
ASTM / ASME A/SA 182 UNS High Hub Blind Flanges
F 44 High Hub Blind Flanges
F 45 High Hub Blind Flanges
F51 High Hub Blind Flanges
F 53 High Hub Blind Flanges
F 55 High Hub Blind Flanges
F 60 High Hub Blind Flanges
F 61 High Hub Blind Flanges

Carbon Steel High Hub Blind Flanges – CS High Hub Blind Flanges 

ASTM A105 High Hub Blind Flanges
ASTM A 694-F42 High Hub Blind Flanges
F46 High Hub Blind Flanges
F52 High Hub Blind Flanges
F60 High Hub Blind Flanges
F65 High Hub Blind Flanges
F70 High Hub Blind Flanges

Copper Nickel High Hub Blind Flanges – Cu-Ni High Hub Blind Flanges.

ORIFICE FLANGES

ORIFICE FLANGES are widely used in conjunction with orifice meters for measuring the rate of flow of liquids and gases. They are basically the same as standard welding neck and slip-on flanges except for the provision of radial, tapped holes in the flange ring for meter connections and additional bolts to act as jack screws to facilitate separating the flanges for inspection or replacement of the orifice plate. In choosing the type of orifice flange, the considerations affecting the choice of welding neck and slip-on standard flanges apply with equal force.

MATERIALS: A105 (C.S.) AND A182 (S.S.)

Other materials and schedules available

HARDWARE:
Stud Bolts:A193 Gr. B7 Steel
Hex Nuts:A194 Gr. 2H Steel
Jackscrew:C1018 Hardened Square Head Screws
Pipe Plugs:Hex Head, Forged Steel
Ring Gaskets:C4430 Non-Asbestos

Manufactured to meet
A.G.A Report #3-2
A.P.I 14.3
ASME SPECIFICATIONS
Orifice Plates sold seperate

600# RFS0 ORIFICE FLANGE UNION

MATERIALS:

Domestic A105 (C.S.) AND A182 (S.S.)
Other materials and schedules available

HARDWARE:

Stud Bolts:A193 Gr. B7 Steel
Hex Nuts:A194 Gr. 2H Steel
Jackscrew:C1018 Hardened Square Head Screws
Pipe Plugs:Hex Head, Forged Steel
Ring Gaskets: C4430 Non-Asbestos

Manufactured to meet

A.G.A Report #3
A.P.I 14.3
ASME SPECIFICATIONS
Orifice Plates sold seperate

Uses of orifice flanges:

Orifice flange is used to flow/rate metering of piping systems.
They are used for all intensive purposes, similar to weld neck and slip-on flanges with extra machining.

SLIP ON FLANGES

A Slip-On Flange is bored sightly larger than the outer Diameter of the matching pipe. The pipe slip into the flange prior to welding both inside and outside to prevent leaks.The British standard flanges manufactured by us pertain to all Standards like BS10 1962 Table D,E,F,H IS 6392 Table 5,17,26 IS 1538 in slip. These are manufactured using mild steel both in slip-on and blind type. Our quality slip on flanges are ideal for lower pressure applications. Their ease of fitting and welding reduces fabrication costs. Our professional engineering team is involved in innovating durable and high-quality products to cater to our clients’ needs.

The flange is slipped over the pipe and then welded both inside and outside to provide sufficient Strength and prevent leakage. This flange is used in preference to weld necks by many users because of its lower cost and the fact that less accuracy is required when cutting pipe to length.

Sizes for Slip On Flanges
All Slip On Flanges are available available in sizes from 1/4” through to any size.

Wall Thickness for Slip On Flanges
Schedule 5s through to Schedule XXS and heavier.

Dimensions
Diameter : 1/2″ à 24″
Pressure class : 150# – 300# – 600# – 1500#

Dimensions and Pressure Ratings for Slip On Flanges:
– ANSI, MSS- SP-44, BS3293, API 605 150lb through to 2500lb
– Flange Facings: Raised Face, Ring Type Joint, Large Tongue & Groove, Small Tongue & Groove
– BS4504 – PN6, 10, 16, 25, 64
– BS10 – Table D, E, F, & H
– DIN Standards

Variations
Face finish : Raised face (RF) – Flat face (FF) – RTJ
Variations : Reducing Slip On – Orifice Slip On

Standards

ASTM A182 – ASME SA182 – ‘Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings’
ASME B16.5– ‘Pipe Flanges and Flanged Fittings’
ASME B16.36 -‘Orifice Flanges’
ASME B16.47 – ‘Large Diameter Steel Flanges NPS26 Through NPS60’
MSS SP-6 – ‘Standard Finishes for Contact Faces of Pipe Flanges and Connecting End Flanges of Valves and Fittings’

 

Nominal BoreDia.
(D)
Thick.
(E)
Dia.
(F)
Dia.
(B)
Dia.
(A)
Height1
(H)
NbrHolesDia.
(C)
1/2″909.635.053022.214415.8760.3
3/4″10011.242.933827.714415.8769.9
1″11012.750.804934.516415.8779.4
1 1/4″11514.363.505943.219415.8788.9
1 1/2″12515.973.156549.521415.8798.4
2″15017.591.957861.924419.05120.7
2 1/2″18020.7104.659074.627419.05139.7
3″19022.3127.0010890.729419.05152.4
3 1/2″21522.3 139.70122103.430819.05177.8
4″23022.3157.22135116.132819.05190.5
5″25522.3185.67164143.835822.22215.9
6″28023.9215.90192170.738822.22241.3
8″34527.0269.75246221.543822.22298.5
10″40528.6323.85305276.2481225.40362.0
12″48530.2381.00365327.0541225.40431.8
14″53533.4412.75400359.2561228.57476.3
16″59535.0469.90457410.5621628.57539.8
18″63538.1533.40505461.8671631.75577.9
20″70041.3584.20559513.1712031.75635.0
24″81546.1692.15663616.0812034.92749.3

1,6mm raised face not included in the E & H dimensions

The dimensions are in millimeters
Source : ASME B16.5 – 2007

Nominal BoreDia.
(D)
Thick.
(E)
Dia.
(F)
Dia.
(B)
Dia.
(A)
Height1
(H)
NbrHolesDia.
(C)
1/2″21.312.735.053822.221415.8766.7
3/4″26.714.342.934827.724419.0582.6
1″33.415.950.805434.525419.0588.9
1 1/4″42.217.563.506443.225419.0598.4
1 1/2″48.319.173.157049.529422.22114.3
2″60.320.791.958461.932819.05127.0
2 1/2″73.023.9104.6510074.637822.22149.2
3″88.927.0127.0011790.741822.22168.3
3 1/2″101.628.6139.70133103.443822.22184.2
4″114.330.2157.22146116.146822.22200.0
5″141.333.4185.67178143.849822.22235.0
6″168.335.0215.90206170.7511222.22269.9
8″219.139.7269.75260221.5601225.40330.2
10″273.046.1323.85321276.2651628.57387.4
12″323.849.3381.00375327.0711631.75450.8
14″355.652.4412.75425359.2752031.75514.4
16″406.455.6469.90483410.5812034.92571.5
18″457.058.8533.40533461.8872434.92628.6
20″508.062.0584.2td>587513.1942434.92685.8
24″610.068.3692.15702616.01052441.27812.8

1,6mm raised face not included in the E & H dimensions

The dimensions are in millimeters
Source : ASME B16.5 – 2007

Nominal BoreDia.
(D)
Thick.
(E)
Dia.
(F)
Dia.
(B)
Dia.
(A)
Height1
(H)
NbrHolesDia.
(C)
1/2″21.314.335.053822.222415.8766.7
3/4″26.715.942.934827.725419.0582.6
1″33.417.550.805434.527419.0588.9
1 1/4″42.220.763.506443.229419.0598.4
1 1/2″48.322.373.157049.532422.22114.3
2″60.325.491.958461.937819.05127.0
2 1/2″73.028.6104.6510074.641822.22149.2
3″88.931.8127.0011790.746822.22168.3
3 1/2″101.635.0139.70133103.449825.40184.2
4″114.338.1157.22152116.154825.40215.9
5″141.344.5185.67189143.860828.57266.7
6″168.347.7215.90222170.7671228.57292.1
 8″219.155.6269.75273221.5761231.75349.2
 10″273.063.5325.85343276.2861634.92431.8
 12″323.866.7381.00400327.0922034.92489.0
 14″355.669.9412.75432359.2942038.10527.0
 16″406.476.2469.90495410.51062041.27603.2
 18″457.082.6533.40546461.81172044.45654.0
 20″508.088.9584.20610513.11272444.45723.9
 24″610.0101.6692.15718616.01402450.80838.2

6,4 raised face not included in the E & H dimensions

The dimensions are in millimeters
Source : ASME B16.5 – 2007

SOCKET WELD FLANGES

Socket welding flange, a popular type of pipe flange, was initially developed for use on small-sized high- pressure piping. The fabrication of this type of flange is similar to that of a slip-on flange. However, the internal pocket of a socket weld flange allows for a smooth bore and better fluid flow. When provided with an internal weld, the static strength of this flange is equal to slip-on flange, but the fatigue strength is 50% greater than double welding slip-on flanges. Smooth bore conditions in such a flange can easily be attained without having to bevel the flange face and, after welding, to re-face the socket weld flange as would be required with slip-on flanges. For this reason, the internally welded flange is popular in chemical process piping. The counter bore is sightly larger than the Outer Diameter of the matching pipe, allowing the pipe to be inserted. A restriction is built into the bottom of the bore, which acts as a shoulder for the pipe to rest on, and has the same I.D. of matching pipe. The flow is not restricted in any direction.

Dimensions
Diameter : 1/2″ à 24″

pressure class : 150# – 300# – 600# – 1500#

Schedules : SCH10S – SCH40S – SCH80S – SCH160

Variations

Face finish : Raised face (RF) – Flat face (FF) – RTJ –
Variations : Reducing Socket Weld

Standards

ASTM A182 – ASME SA182 – ‘Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings’
ASME B16.5 – ‘Pipe Flanges and Flanged Fittings’
MSS SP-6 – ‘Standard Finishes for Contact Faces of Pipe Flanges and Connecting End Flanges of Valves and Fittings’

 Drilling
Nominal Bore Dia.
(D)
Thick.
(E)
Dia.
(F)
Dia.
(B)
Dia.
(A)
Height1
(H)
NbrHolesDia.
(C)
1/2″9011.235.053022.214415.8760.3
3/4″10012.742.923827.714415.8769.9
1″11014.350.804934.516415.8779.4
1 1/4″11515.963.505943.219415.8788.9
1 1/2″12517.573.156549.521415.8798.4
2″15019.191.947861.924419.05120.7
2 1/2″18022.3104.659074.627419.05139.7
3″19023.9127.0010890.729419.05152.4

1,6mm raised face not included in the E & H dimensions
See below for the A2 dimension

The dimensions are in millimeters
Source : ASME B16.5 – 2007

 Drilling
Nominal Bore Dia.
(D)
Thick.
(E)
Dia.
(F)
Dia.
(B)
Dia.
(A)
Height1
(H)
NbrHolesDia.
(C)
1/2″9512.735.053822.221415.8766.7
3/4″11514.342.924827.724419.0582.6
1″12515.950.805434.525419.0588.9
1 1/4″13517.563.506443.225419.0598.4
1 1/2″15519.173.157049.529422.22114.3
2″16520.791.948461.932819.05127.0
2 1/2″19023.9104.6510074.637822.22149.2
3″21027.0127.0011790.741822.22168.3

1,6mm raised face not included in the E & H dimensions
See below for the A2 dimension

The dimensions are in millimeters
Source : ASME B16.5 – 2007

Drilling
Nominal Bore>Dia.
(D)
Thick.
(E)
Dia.
(F)
Dia.
(B)
Dia.
(A)
Height1
(H)
NbrHolesDia.
(C)
1/2″9514.335.053822.222415.8766.7
3/4″11515.942.924827.725419.0582.6
1″12517.550.805434.527419.0588.9
1 1/4″13520.763.506443.229419.0598.4
1 1/2″15522.373.157049.532422.22114.3
2″16525.491.948461.937819.05127.0
2 1/2″19028.6104.6510074.641822.22149.2
3″21031.8127.0011790.746822.22168.3

6,4mm raised face not included in the E & H dimensions
See below for the A2 dimension

The dimensions are in millimeters
Source : ASME B16.5 – 2007

InNER diameter depending on thicknesses - A2

Nominal BoreSCH10SSCH40SSCH80SSCH160
1/2″17.115.813.911.8
3/4″22.420.918.815.6
1″27.826.624.320.7
1 1/4″36.635.132.529.5
1 1/2″42.740.938.134
2″54.752.549.242.9
2 1/2″66.962.75954
3″82.877.973.766.7

The dimensions are in millimeters
Source : ASME B16.5 – 2007

FLATE FLANGES

Our company is one of the leading companies that offer a wide range of Flat Flange to meet the needs of our clients. These flanges are fixed internally as well as externally according to the needs of our clients. Made up of high quality pure iron metal these flanges are anti-corrosive and highly durable in nature. Flat Flanges can be assembled as well as disassembled as per the convenience.

DIN2503 PN40 Flat Flange For Welding
DIN2503 PN40 Flat Flange For Welding Manufacturer Sanjay Bonny Forge Pvt.Ltd supplies DIN2503 PN40 Flat Flange For Welding, DIN WN forged Flange, DIN Blind flange, DIN threaded Flanges in forged steel, Stainless Steel, Carbon steel: C22.8, RST37.2, S235JR, P235GH, P245GH, P250GH, ASTM A105, ASTM A182 F304 (1.4306), F304L(1.4307), F316(1.4404), F316L(1.4404), F321(1.4541) etc..

carbon steel flat face flange

carbon steel flat face flange
Standard of Flange: ANSI,DIN,GOST,etc
Type of Flange: WN, SO, BL
Process of Flange: Forged,WELD FLANGE
Certification:API,ISO9001,CE

FLANGES 
Production TypeSlip-on welding flange; welding neck flange; socket welding flange, threaded flange, lap joint flange; blind flange etc.
Size RangeFrom 1/2″ up to 60″ 
ScheduleSCH STD, XS, XXS, SCH 10 ~ SCH 160
Material Code:
1.Carbon steel ASTM A105, ASTM A350 LF1/ LF2/LF3, ASTM 
ASTM A694 F42/F46/F52/F56/F60/F65/F70
2.Alloy steel ASTM A182 F1, F5, F7, F9, F11, F12, F22, F91
3.Stainless steel ASTM A182 F304/304L, F316/316L, F321, F347, 
StandardsANSI, ISO, JIS, DIN, BS,GB, SH, HG,QOST,ETC.
CertificationISO9001:2000 , API, CE 
Applications range Petroleum, chemical, power, gas, metallurgy, shipbuilding, construction, water etc. 
Packaging: Wooden Cases or pallet or as per customers requirement
Delivery Time:At the earliest ,within the period required by customer.

Dimensions
Dimension and weight of DIN2503 PN40 Flat Flange

Nominal Pipe SizeDiameter of PipeFlange I.DNo. of holesFlange DiaThk of FlangeDia of Bolt CircleDia of Bolt HolesApprox.Weight
DNISODIND5BNDbKd2KG/PCS
101414.54901660140.7
17.217.74901660140.69
1520214951665140.77
21.3224951665140.77
20252641051875141.06
26.927.641051875141.05
25303141151885141.27
33.734.441151885141.25
323839414018100181.86
42.443.1414018100181.83
4044.545.5415018110182.12
48.349415018110182.09
505758.1416520125182.78
60.361.1416520125182.74
6576.177.1818522145183.48
8088.990.3820024160184.33
100108109.6823524190225.82
114.3115.9823524190225.61
125133134.8827026220267.91
139.7141.6827026220267.6
150159161.18300282502610.12
168.3170.5830028250269.58
175193.7196.112350322953014.45
200219.1221.812375343203016.9
250267270.212450383853327.28
273276.212450383853326.51
300323.9327.616515424503336.38
350355.6359.716580465103652.83
368372.216580465103650.24
400406.441116660505853974.71
419423.716660505853971.44
500508513.620755526704286.87
600610616.5208905479548121.84
700711716249955890048150.93
80081381824114064103056219.08
90091492028125070114056271.16
10001016102228136078125056344.95

LAP JOINT FLANGES

Lap Joint flanges are used on piping fitted with with lapped pipe or with lap joint stub ends. The lap joint flange with the stub end assembly are normally used in systems requiring frequent dismantling for inspection and cleaning and where the ability to swivel flanges and to align bolt holes materially eases the erection of large diameter or unusually stiff piping. These flanges are also used in applications where there is a need to facilitate bolt alignment. These type of flanges are similar to slip-on flanges. The only difference is that it has a curved radius at the bore and face to accommodate a lap joint stub end. They may be used at all pressures and are available in a full size range. These lap joint flanges slip over the pipe, and are not welded. They are otherwise fastened to it. Here the bolting pressure is transferred to the gasket by the pressure of the flange against the back of the pipe lap.

Dimensions
Diameter : 1/2″ à 24″

Pressure class : 150# – 300# – 600# – 1500#

Standards
ASTM A182 – ASME SA182 – ‘Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings’
ASME B16.5- ‘Pipe Flanges and Flanged Fittings’
MSS SP-6 – ‘Standard Finishes for Contact Faces of Pipe Flanges and Connecting End Flanges of Valves and Fittings’
The tables below show the most common sizes but are not exhaustive.

Drilling
Nominal BoreDia.
(D)
Thick.
(E)
Dia.
(B)
Dia.
(A)
Height
(H)
NbrHolesDia.
(C)
1/2″9011.23022.916415.8760.3
3/4″10012.73828.216415.8769.9
1″11014.34934.917415.8779.4
1 1/4″11515.95943.721415.8788.9
1 1/2″12517.56550.022415.8798.4
2″15020.77862.525419.05120.7
2 1/2″18022.39075.429419.05139.7
3″19023.910891.430419.05152.4
3 1/2″21523.9122104.132819.05177.8
4″23023.9135116.833819.05190.5
5″25523.9164144.436822.22215.9
6″28025.4192171.440822.22241.3
8″34528.6246222.244822.22298.5
10″40530.2305277.4491225.40362.0
12″48531.8365328.2561225.40431.8
14″53535.0400360.2791228.57476.3
16″59536.6457411.2871628.57539.8
18″63539.7505462.3971631.75577.9
20″70042.9559514.41032031.75635.0
24″81547.7663616.01112034.92749.3

The dimensions are in millimeters
Source : ASME B16.5 – 2007

Drilling
Nominal BoreDia.
(D)
Thick.
(E)
Dia.
(B)
Dia.
(A)
Height
(H)
NbrHolesDia.
(C)
1/2″9514.33822.922415.8766.7
3/4″11515.94828.225419.0582.6
1″12517.55434.927419.0588.9
1 1/4″13519.16443.727419.0598.4
1 1/2″15520.77050.030422.22114.3
2″16522.38462.533819.05127.0
2 1/2″19025.410075.438822.22149.2
3″21028.611791.443822.22168.3
3 1/2″23030.2133104.144822.22184.2
4″25531.8146116.848822.22200.0
5″28035.0178144.451822.22235.0
6″32036.6206171.4521222.22269.9
8″38041.3260222.2621225.40330.2
10″44547.7321277.4951628.57387.4
12″52050.8375328.21021631.75450.8
14″58554.0425360.21112031.75514.4
16″65057.2483411.21212034.29571.5
18″71060.4533462.31302434.29628.6
20″77563.5587514.41402434.29685.8
24″91569.9702616.01522441.27812.8

The dimensions are in millimeters
Source : ASME B16.5 – 2007

Nominal BoreDia.
(D)
Thick.
(E)
Dia.
(B)
Dia.
(A)
Height
(H)
NbrHolesDia.
(C)
1/2″9514.33823.622415.8766.7
3/4″11515.94829.025419.0582.6
1″12517.55435.827419.0588.9
1 1/4″13520.76444.429419.0598.4
1 1/2″15522.37050.632422.22114.3
2″16525.48463.537819.05127.0
2 1/2″19028.610076.241822.22149.2
3″21031.811792.246822.22168.3
3 1/2″23035.0133104.949825.40184.2
4″27538.1152117.654825.40215.9
5″33044.5189144.460828.57266.7
6″35547.7222171.4671228.57292.1
8″42055.6273222.2761231.75349.2
10″51063.5343276.21111634.92431.8
12″56066.7400328.61172034.92489.0
14″60569.9432360.41272038.10527.0
16″68576.2495411.21402041.27603.2
18″74582.6546462.01522044.456654.0
20″81588.9610512.81652444.45723.9
24″940101.6718614.41842450.80838.2

The dimensions are in millimeters
Source : ASME B16.5 – 2007

THREADED FLANGS

Threaded Flanges are confined to special applications. Their chief merit lies in the fact that they can be assembled without welding this explains their use in extremely high pressure services, particularly at or near atmospheric temperature, when alloy steel is essential for strength and where the necessary post weld heat treatment is impractical. Threaded Flanges are unsuited for conditions involving temperature or bending stresses of any magnitude, particularly under cyclic conditions, where leakage through the threads may occur in relatively few cycles of heating or stress; sea welding is sometimes employed to overcome this, but cannot be considered as entirely satisfaction.

Dimensions
Diameter : 1/2″ à 24″

Pressure class : 150# – 300# – 600# – 1500#

Variations
Face finish : Raised face (RF) – Flat face (FF) – RTJ
Variations : Reducing Threaded
Standards
ASTM A182 – ASME SA182 – ‘Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings’
ASME B16.5 – ‘Pipe Flanges and Flanged Fittings’
MSS SP-6 – ‘Standard Finishes for Contact Faces of Pipe Flanges and Connecting End Flanges of Valves and Fittings’ and Fittings’

 Drilling
Nominal BoreDia.
(D)
Thick.
(E)
Dia.
(F)
Dia.
(B)
Height1
(H)
NbrHolesDia.
(C)
1/2″909.635.053014415.8760.3
3/4″10011.242.923814415.8769.9
1″11012.750.804916415.8779.4
1 1/4″11514.363.505919415.8788.9
1 1/2″12515.973.156521415.8798.4
2″15017.591.947824419.05120.7
2 1/2″18020.7104.659027419.05139.7
3″19022.3127.0010829419.05152.4
3 1/2″21522.3139.7012230819.05177.8
4″23022.3157.2213532819.05190.5
5″25522.3185.6716435822.22215.9
6″28023.9215.9019238822.22241.3
8″34527.0269.7524643822.22298.5
10″40528.6323.85305481225.40362.0
12″48530.2381.00365541225.40431.8
14″53533.4412.75400561228.57476.3
16″59535.0469.90457621628.57539.8
18″63538.1533.40505671631.75577.9
20″70041.3584.20559712031.75635.0
24″81546.1692.15663812034.92749.3

1,6mm raised face not included in the E & H dimensions

The dimensions are in millimeters
Source : ASME B16.5 – 2007

 Drilling
Nominal BoreDia.
(D)
Thick.
(E)
Dia.
(F)
Dia.
(B)
Dia.
(A)
Height1
(H)
NbrHolesDia. 
(C)
1/2″9512.735.053823.621415.8766.7
3/4″11514.342.924829.024419.0582.6
1″12515.950.805435.825419.0588.9
1 1/4″13517.563.506444.425419.0598.4
1 1/2″15519.173.157050.329822.22114.3
2″16520.791.948463.532819.05127.0
2 1/2″19023.9104.6510076.237822.22149.2
3″21027.0127.0011792.241822.22168.3
3 1/2″23028.6139.70133104.943822.22184.2
4″25530.2157.22146117.646822.22200.0
5″28033.4185.67178144.449822.22235.0
6″32035.0215.90206171.4511222.22269.9
8″38039.7269.75260222.2601225.40330.2
10″44546.1323.85321276.2651628.57387.4
12″52049.3381.00375328.6711631.75450.8
14″58552.4412.75425360.4752031.75514.4
16″65055.6469.90483411.2812034.92571.5
18″71058.8533.40533462.0872434.92628.6
20″77562.0584.20587512.8942434.92685.8
24″91568.3692.15702614.41052441.27812.8

1,6mm raised face not included in the E & H dimensions

The dimensions are in millimeters
Source : ASME B16.5 – 2007

REDUCING FLANGES

Our range of reducing flanges is made of premium quality stainless steel. The reducing flanges are widely used in various industrial applications. Available in various configuration, these reducing flanges are suitable to connect tubings and pipe sections.

These stainless steel reducing flanges offer various advantages such as close tolerances, reliability and durability. Moreover, the SS reducing flanges are supplied in customized specifications.
Types of Reducing Flanges :
Welding Neck
Slip-On
Threaded

Alloy Steel : ASTM A 182, GR F1, F11, F22, F5, F9, F91
Carbon Steel : ASTM A 105, ASTM A 181
Copper Alloys : Copper, Brass & Gunmetal
Nickel Alloys : Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22,C276
Size : 1/8″ NB TO 48″NB.
Class : 150#, 300#,400 #,600#,900#, 1500# & 2500 #.

Standard
ANSI : ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
DIN : DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673
B.S : BS4504 , BS4504, BS1560, BS10

WELD NECK FLANGES SERIES A OR B

Weld Neck Flanges are drilled(machined) with the wall thickness of the flange having the same dimensions of the matching pipe, the lighter the pipe is, the larger the bore, conversely, the heavier the pipe, the small the bore, they are normally used for highpressure, cold or hot temperature.

Stainless Steel:
ASTM / ASME SA 182 F 304, 304L, 304H, 309H, 310H, 316, 316H, 316L, 316 LN, 317, 317L, 321, 321H, 347, 347 H.

Duplex Steel:
ASTM / ASME SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61.

Nickel Alloy
ASTM / ASME SB 564 UNS 2200 (NICKEL 200), UNS 4400 (MONEL 400), UNS 8825 INCONEL (825), UNS 6600 (INCONEL 600), UNS 6601 (INCONEL 601), UNS 6625 (INCONEL 625), UNS 10276 (HASTELLOY C 276)
ASTM / ASME SB 160 UNS 2201 (NICKEL 201 )
ASTM / ASME SB 472 UNS 8020 (ALLOY 20 / 20 CB 3)

Copper Alloy
ASTM / ASME SB 61 UNS NO. C 92200 & ASTM / ASME SB 62 UNS NO. C 83600.
ASTM / ASME SB 151 UNS NO. 70600, 71500, C 70600 ( CU -NI- 90/10), C 71500 ( CU -NI- 70/30)
ASTM / ASME SB 152 UNS NO C 10100, C 10200, C 10300, C 10800, C 12000, C 12200.

Carbon Steel
ASTM / ASME A 105
ASTM / ASME A 350 LF 2
Alloy Steel
ASTM / ASME A 182 GR F 5, F 9, F 11, F 12, F 22, F 91

Dimensions
Welding neck flange bores according ASME/ANSI B16.5-1996 Pipe Flanges and Flanged Fittings – can be found in the table below:

Welding Neck Flange Bores
Nominal Pipe Size
(inches)
Outside Diameter
(inches)
Inside Diameter (inches)
Light Wall 1)Schedule 20Schedule 30Standard WallSchedule 40Schedule 60
1/20.8400.6740.6220.622
3/41.0500.8840.8240.824
11.3151.0971.0491.049
1 1/41.6601.4421.3801.380
1 1/21.9001.6821.6101.610
22.3752.1572.0672.067
2 1/22.8752.6352.4692.469
33.5003.2603.0683.068
3 1/24.0003.7603.5483.548
44.5004.2604.0264.026
55.5635.2955.0475.047
66.6256.3576.0656.065
88.6258.3298.1258.0717.9817.9817.813
1010.75010.42010.25010.13610.02010.0209.750
1212.75012.39012.25012.09012.00011.93811.626
1414.00013.50013.37613.25013.25013.12412.812
1616.00015.50015.37615.25015.25015.00014.688
1818.00017.50017.37617.12417.25016.87616.500
2020.00019.50019.25019.00019.25018.81218.376
2424.00023.50023.25022.87623.25022.62422.062
3030.00029.37629.00028.75029.250
3636.00035.37635.00034.75035.25034.500
4242.00041.250
4848.00047.250
Welding Neck Flange Bores
Nominal Pipe Size
(inches)
Outside Diameter
(inches)
Inside Diameter (inches)
Extra StrongSchedule 80Schedule 100Schedule 120Schedule 140Schedule 160Double Extra Strong
1/20.8400.5460.5460.4640.252
3/41.0500.7420.7420.6120.434
11.3150.9570.9570.8150.599
1 1/41.6601.2781.2781.1600.896
1 1/21.9001.5001.5001.3381.100
22.3751.9391.9391.6871.503
2 1/22.8752.3232.3232.1251.771
33.5002.9002.9002.6242.300
3 1/24.0003.3643.3642.728
44.5003.8263.8263.6243.4383.152
55.5634.8134.8134.5634.3134.063
66.6255.7615.7615.5015.1874.897
88.6257.6257.6257.4377.1877.0016.8136.875
1010.7509.7509.5629.3129.0628.7508.5008.750
1212.75011.75011.37411.06210.75010.50010.12610.750
1414.00013.00012.50012.12411.81411.50011.188
1616.00015.00014.31213.93813.56413.12412.812
1818.00017.00016.12415.68815.25014.87614.438
2020.00019.00017.93817.43817.00016.50016.062
2424.00023.00021.56220.93820.37619.87619.312
3030.00029.000
3636.00035.000
4242.00041.000
4848.00047.000

SQUARE FLANGES

Backed by our state-of-the-art manufacturing facility, we are capable of providing our clients with a comprehensive range of Square Flangesthat is available in various sizes and specifications. Our range is manufactured using high grade raw material, which is sourced from the reliable and certified vendors of the market to ensure quality. Moreover, our range can be customized as per the specifications detailed by the clients to fulfill their exact requirements in a better way.

Stainless Steel:
ASTM / ASME SA 182 F 304, 304L, 304H, 309H, 310H, 316, 316H, 316L, 316 LN, 317, 317L, 321, 321H, 347, 347 H.

Duplex Steel:
ASTM / ASME SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61.

Nickel Alloy
ASTM / ASME SB 564 UNS 2200 (NICKEL 200), UNS 4400 (MONEL 400), UNS 8825 INCONEL (825), UNS 6600 (INCONEL 600), UNS 6601 (INCONEL 601), UNS 6625 (INCONEL 625), UNS 10276 (HASTELLOY C 276)
ASTM / ASME SB 160 UNS 2201 (NICKEL 201 )
ASTM / ASME SB 472 UNS 8020 (ALLOY 20 / 20 CB 3)

Copper Alloy
ASTM / ASME SB 61 UNS NO. C 92200 & ASTM / ASME SB 62 UNS NO. C 83600.
ASTM / ASME SB 151 UNS NO. 70600, 71500, C 70600 ( CU -NI- 90/10), C 71500 ( CU -NI- 70/30)
ASTM / ASME SB 152 UNS NO C 10100, C 10200, C 10300, C 10800, C 12000, C 12200.

Carbon Steel
ASTM / ASME A 105
ASTM / ASME A 350 LF 2
Alloy Steel
ASTM / ASME A 182 GR F 5, F 9, F 11, F 12, F 22, F 91.

Dimensions
Standard Equipment Square Flange Sizes:
150 Square Flange : 8 Holes Ø 10
200 Square Flange: 12 Holes Ø 12
250 Square Flange: 12 Holes Ø 12
300 Square Flange: 12 Holes Ø 14
400 Square Flange: 12 Holes Ø 14
500 Square Flange: 16 Holes Ø 14
600 Square Flange: 16 Holes Ø 18
700 Square Flange: 20 Holes Ø 18
800 Square Flange: 20 Holes Ø 18

Our range includes SHA+SHB (SHAB) Square Flanges and SSA+SSB (SSAB) Square Flanges.

Working Pressure for the Square Flanges available is 210 kg/cmª

Our range of sizes are from 1/4″NB – 6″NB.

Square flange Ø 40 mm pipe aperture
Solid twin hole flanges made of 304 AISI stainless steel. Extra strong and solid version to build compact and gas-tight connections. To take in the regarding pipe diameter, the central hole intake is constructed with a bore tolerance, which effects easy fitting, fixing and further processing. The flange plates can be mounted directly to elbow pipes, ordinary pipes or assemblies of any kind and form and allow you flexible construction.
Pipe aperture: 40 mm
Material thickness: 8 mm
Outside dimensions: 69×69 mm

Square Flanges Key Features:

Can be attached to the pipe without welding (sometimes an additional seal weld is used as well)
Ideal for higher pressure and temperature applications for small pipe sizes
Not recommended for larger loads, especially when subjected to higher torque
NOTE: This flange is referred to as either threaded or screwed. It is used to connect other threaded components in low pressure, non-critical applications. No welding is required.

Standards: ANSI, AS2129, JIS, DIN, EN-1092-1, BS10, BS4504 etc
Nominal Pressure: PN0.25-PN42, 150LB-900LB, 5K–30K.
Nominal Diameter: DN10A-DN600A, NPS:3/8″-24″.
Square Flanges Materials: Carbon steel, stainless steel and alloy steel.
Printing: Carbon steel and alloy steel with yellow print, black print, oil or zinc.
Square Flanges Packing: Plywooden case.
Payment terms: both L/C at sight and T/T before shipment.

* We can also manufacture special application flanges and forgings that customers require.

Square Flanges Dimensions

Square Flanges ANSI B16.5
Square Flanges Class 150 lbs
Square Flanges Class 300 lbs
Square Flanges Class 400 lbs
Square Flanges Class 600 lbs
Square Flanges Class 900 lbs
Square Flanges Class 1500 lbs
Square Flanges Class 2500 lbs

GROOVE & TONGUE FLANGES

Flange Facings: Raised Face, Ring Type Joint, Large Tongue & Groove, Small Tongue & Groove

Flanges are available in the following material grades:

Stainless Steel
A182 F304/L
F310
F316/L
F321/H
F347/H
F410
F440
904L
Carbon Steel
A105, C22.8
Low Temperature Steel
A350 LF2, LF3, LF6
Alloy Steel
A182 F1, F5, F9, F11, F12, F22, F91
High Yield
A694 F42, F52, F60, F65, F70
6% Moly / Duplex & Super Duplex
A182 F44, F51, F53, F55
Nickel Alloys
200, 400, K500, 600, 625, 800, 825

Alloys
ALLOY 20
ALLOY C
ALLOY C276
ALLOY B2
Aluminium
5083, 5154, 5251, 6061, 6063, 6082
Unusual Grades
Bronze, Brass, Copper
Cupro Nickel
Titanium

Dimensions

Tongue and groove flanges per ANSI B16.21 (150-1500 lbs)

LONG WELD NECK FLANGES

Our extensive range of Long Weld Neck Flanges is used in general piping, refineries, and other related industries. These Long Weld Neck Flanges are procured from authentic vendors, who are selected on the basis of their market credibility. Our Long Weld Neck Flanges are appreciated for salient attributes such as corrosion resistance, high tolerance, and longer functional life.

Flanges are available in the following material grades:

Range
½” (15 NB) to 48” (1200NB) in 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS ASA 150, ASA 300, PN 6,10,16,25, 40,64,100,160 ETC. Available with NACE MR 01-75

Stainless Steel
Grade : 304, 304L, 304H, 309, 310, 310S, 316, 316Ti, 316 L, 317, 317L, 321, 347, 347 H, 409, 410, 410S, 420, 430L

Duplex Steel
Grade : 2205 (UNS No. S31803), 2507 (UNS No. S32750)

Nickel Alloy
Grade : Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020), Titanium (Grade I & II)

Copper Alloy
Grade : UNS No. C 10100, 10200, 10300, 10800, 12000, 12200, 70600, 71500, UNS No. C 70600 (Cu -Ni- 90/10), C 71500 (Cu -Ni- 70/30)

Standard
ANSI : ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
DIN : DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673
B.S : BS4504 , BS4504, BS1560, BS10
OTHER : PLATE, PLATE BLANK

Value Added Services
HOT DIPPED GALVANIZING
HEAT TREATMENT
CNC MACHINING
THREADING

SCREWED FLANGES

We are one of the leading manufacturer of screwed flanges in India, we can supply stainless steel screwed flanges, carbon steel screwed flanges and nickel alloy screwed pipe flanges, the method includes forging and casting. Also, we can produce as per your drawings and specifications.

SizeWeight (kg)
Flange Table x Thread
“D” – 3″3″ BSP2.7
“D” – 4″4″ BSP3.7
“D” – 5″5″ BSP4.7

RING TYPE JOINT FLANGES

Our organization is involved in offering a wide range of Ring Joint Flanges, which is highly durable, resistance to heat, and has the ability to withstand any amount of stress. These Ring Type Joint Flanges are used in automobiles, and engineering related industries. We offer our range of Ring Joint Flanges in various dimensions and other technical specifications as per the specific requirements of our customers.

Range
½” (15 NB) to 48” (1200NB) in 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS ASA 150, ASA 300, PN 6,10,16,25, 40,64,100,160 ETC. Available with NACE MR 01-75

Stainless Steel
Grade : 304, 304L, 304H, 309, 310, 310S, 316, 316Ti, 316 L, 317, 317L, 321, 347, 347 H, 409, 410, 410S, 420, 430L

Duplex Steel
Grade : 2205 (UNS No. S31803), 2507 (UNS No. S32750)

Nickel Alloy
Grade : Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020), Titanium (Grade I & II)

Copper Alloy
Grade : UNS No. C 10100, 10200, 10300, 10800, 12000, 12200, 70600, 71500, UNS No. C 70600 (Cu -Ni- 90/10), C 71500 (Cu -Ni- 70/30)

Standard
ANSI : ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
DIN : DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673
B.S : BS4504 , BS4504, BS1560, BS10
OTHER : PLATE, PLATE BLANK

Value Added Services
HOT DIPPED GALVANIZING
HEAT TREATMENT
CNC MACHINING
THREADING

FLANGE FACING TYPE & FINISH

We are involved in offering a quality range of Flanges, which is high in durability and can withstand extreme conditions. These flanges are available in different grades, class, and other technical specifications as per the client’s requirements. Our range is commonly used to connect other threaded components in low pressure and non-critical applications.

  American Standard Series

STANDARD CODESNOMINAL SIZEPRESSURE GRADE
                  ANSI B 16.5(88)1/2″-24″   Class 150、300、600、900、1500、2500
                  ANSI B 16.47(90)26″-60″   Class 150、300、600、900
                  ASME B 16.5(96)1/2″-24″   Class 150、300、600、900、1500、2500
                  ISO7005-1(92)1/2″-24″   PN2.0 5.0 11.0 15.0 26.0 42.0
                  BS4504-3.1(89)1/2″-24″   Class 150、300、600、900、1500、2500
                  JPI 7S-15-931/2″-24″   Class 150、300、600、900、1500、2500
                  NF E29-2031/2″-24″   PN2.0 5.0 11.0 15.0 26.0 42.0
                  API605-8126″-60″   Class 150、300、600
                  ASME B 16.36(96)1″-24″   Class 300、400、600、900、1500、2500

 German Standard Series

STANDARD CODESNOMINAL SIZEPRESSURE GRADE
DIN 2630 WNDN1200-DN24001 Bar
DIN 2631 WNDN10-DN36006 Bar
DIN 2632 WNDN200-DN300010 Bar
DIN 2633 WNDN10-DN200016 Bar
DIN 2634 WNDN200-DN100025 Bar
DIN 2635 WNDN10-DN50040 Bar
DIN 2636 WNDN10-DN40064 Bar
DIN 2637 WNDN10-DN350100 Bar
DIN 2638 WNDN10-DN300160 Bar
DIN 2573 PLDN10-DN5006 Bar
DIN 2576 PLDN10-DN50010 Bar
DIN 2527 PLDN10-DN5006 10 16 25 40 Bar
DIN 2501 WNDN15-DN50010 16 25 40 63 100 160 250 320 400 Bar
DIN 2566 THDN15-DN50010 16 Bar
DIN 2655 PLDN15-DN5000.25 0.6 1.0 1.6 2.5 4.0 Bar
DIN 2656 PLDN15-DN5000.25 0.6 1.0 1.6 2.5 4.0 Bar

 

 Japanese Standard Series

STANDARD CODESNOMINAL SIZEPRESSURE GRADE
JIS B 2220 PLDN10-DN4005K
JIS B 2220 SODN450-DN10005K
JIS B 2220 PLDN10-DN22510K
JIS 2220 SODN250-DN100010K 
JIS 2220 SODN10-DN120016K 20K 30K
JIS 2220 WNDN15-DN40030K

 

 National Standard Series

STANDARD CODESNOMINAL SIZEPRESSURE GRADE
GB/T 9112-9113.4-2000DN10-DN2000PN 0.25 0.6 1.0 2.5 4.0 6.3 10.0 16.0 Mpa
JB/T 74-86.2-94DN10-DN1600PN 0.25 0.6 1.0 2.5 4.0 6.3 10.0 16.0 20.0 Mpa
HG 20592-20626-97DN10-DN2000

PN 0.25 0.6 1.0 2.0 2.5 4.0 5.0 6.3 10.0 11.0 15.0  16.0 25.0 26.0 42.0 Mpa

SH 3406-96DN10-DN1500PN 1.0 2.0 5.0 6.8 10.0 15.0 25.0 42.0 Mpa
GB/T 17241.1-17241.7DN10-DN4000PN 0.25 0.6 1.0 1.6 2.0 2.5 4.0 5.0 Mpa
GB/T 15530.1-15530.8DN10-DN1800PN 0.6 1.0 1.6 2.0 2.5 4.0 5.0 Mpa

 

 Power Ministry Series

STANDARD CODESNOMINAL SIZEPRESSURE GRADE
D-GD86-0510-0537DN15-DN2000PN 0.25 0.6 1.0 1.6 2.5 4.0 6.4 10.0 Mpa
DG0511-0541DN15-DN1000PN 0.25 0.6 1.0 1.6 2.5 4.0 6.4 10.0 20.0 32.0 Mpa

 

 Pressure Vessel Series

STANDARD CODESNOMINAL SIZEPRESSURE GRADE
JB/T 4701-2000DN300-DN2000

PN 0.25 0.6 1.0 1.6 10.0 Mpa

JB/T 4702-2000DN300-DN3000PN 0.25 0.6 1.0 1.6 2.5 4.0 Mpa
JB/T 4703-2000DN300-DN2000PN 0.6 1.0 1.6 2.5 4.0 6.4 Mpa

 

 Shipping Series
STANDARD CODESNOMINAL SIZEPRESSURE GRADE
GB573-581-76DN20-DN500PN 0.6 1.0 1.6 2.5 4.0 6.4 Mpa
GB2506-2507-89DN10-DN2000PN 0.25 0.6 1.0 1.6 2.5 Mpa
GB4450-84DN20-DN500PN 0.6 1.0 1.6 Mpa
GB10746-10749-89DN10-DN600PN 0.6 1.0 1.6 2.5 4.0 6.4 Mpa

SPADES & RING SPACERS

Spades and Ring Spacers are basically the same as Spectacle Blinds, except that both are not attached to each other.
Spades and Spacers be applied in systems where maintenance is often not necessary, or in applications with large pipe sizes. Spectacle Blinds, Spades and Ring Spacers should be made from a plate or forging specification, approved for use by ASME B31.3, of essentially the same chemical composition as the mating flanges and piping involved.

Dimensions

NPS Outside Ø
A
Inside Ø
B
Center to End
C
Thickness
t
Handle Width
W
1/24516126332
3/45421131332
16427136332
73421456.432
83481456.432
2102611556.432
107731706.432
3133891706.432
1591022029.738
41721142029.738
51941412259.738
621916822512.738
827621926712.738
1033727332215.744
1240632435719.144
1444835637819.144
1651140641022.444
1854645742725.451
2060350845528.451
2471461051231.851
 NPS Outside Ø
A
Inside Ø
B
Center to End
C
Thickness
t
Handle Width
W
NPS Outside Ø
A
Inside Ø
B
Center to End
C
Thickness
t
Handle Width
W
1/251161296.432
3/464211366.432
170271396.432
79421506.432
92481506.432
2108611589.732
127731779.732
3146891779.732
16210220512.738
417811420512.738
521314124015.738
624816824015.738
830521928122.438
1035927333325.444
1241932436328.444
1448335639531.844
1653640642238.144
1859445745041.151
2065150848044.551
2477261054050.851
 NPS Outside Ø
A
Inside Ø
B
Center to End
C
Thickness
t
Handle Width
W
NPS Outside Ø
A
Inside Ø
B
Center to End
C
Thickness
t
Handle Width
W
1/251161296.432
3/464211366.432
170271396.432
79371509.732
92431509.732
2108551589.732
1276717712.732
31468317712.732
1599621115.738
419110821115.738
523813524819.138
626416224822.438
831821228828.438
1039726535235.144
1245431538141.144
1448934639844.544
1656239743550.844
1861044845953.851
2067949749363.551
2478759754773.251
 NPS Outside Ø
A
Inside Ø
B
Center to End
C
Thickness
t
Handle Width
W
NPS Outside Ø
A
Inside Ø
B
Center to End
C
Thickness
t
Handle Width
W
1/260161346.432
3/467211376.432
176271426.432
86371519.732
95431519.732
21405517412.732
1626718612.732
31658318615.732
420310821719.138
524413525922.438
628616225925.438
835621230735.138
1043226537041.144
1249531540147.844
1451834641253.844
1657239744060.544
1863544847166.551
2069649750173.251
2483559757188.951
 NPS Outside Ø
A
Inside Ø
B
Center to End
C
Thickness
t
Handle Width
W
NPS Outside Ø
A
Inside Ø
B
Center to End
C
Thickness
t
Handle Width
W
1/261161356.432
3/467211379.732
176271429.732
86351519.732
954115112.732
21405317412.732
1626319015.732
31727819019.132
420610221922.438
525112825628.438
627915425635.138
834920330341.138
1043225537050.844
1251830341260.544
1457533344266.544
1663838147276.244
1870242950485.951
2075247853095.351
24899575603111.351
 NPS Outside Ø
A
Inside Ø
B
Center to End
C
Thickness
t
Handle Width
W

 

NPS Outside Ø
A
Inside Ø
B
Center to End
C
Thickness
t
Handle Width
W
1/267161379.732
3/473211409.732
183271459.732
1023516112.732
1144116115.732
21435317515.732
1656320119.132
31947820122.432
423210223228.438
527612827335.138
631415427341.138
838419832153.838
1047324839066.544
1254628942779.244
 NPS Outside Ø
A
Inside Ø
B
Center to End
C
Thickness
t
Handle Width
W

Notes:
Dimensions are in millimeters unless otherwise indicated.
Spade Handles shall be solid with no openings.
Ring Spacer Handles shall have a single through indicator hole located near the end of the handle. The hole diameter shall not be less than 12 mm.
Wt = Thickness of the handle should be 6 mm minimum, or equal to Thickness (t) if less than 6 mm.
Spades and Ring Spacers should be made from a plate or forging specification, approved for use by ASME B31.3, of essentially the same chemical composition as the mating flanges and piping involved.
Spades & Ring Spacers according to ASME B16.48 may be used for installation between ASME B16.5 flanges
Depending on a customer specification, some dimensions can be different from what on this page is defined.

WELDO FLANGE / NIPO FLANGE

A Nipoflange is a combination of , nipolet and flange & widely used in the pipe industry like a or a nipolet for a 90° branch connection

Material Grades: ASTM A105N ASTM A350 LF2

Nickel Alloy
ASTM / ASME SB 564 UNS 2200 ( NICKEL 200 ), UNS 4400 (MONEL 400 ), UNS 8825 INCONEL (825), UNS 6600 (INCONEL 600 ), UNS 6601 ( INCONEL 601 ), UNS 6625 (INCONEL 625), UNS 10276 ( HASTELLOY C 276) ASTM / ASME SB 160UNS 2201 (NICKEL 201 ) ASTM / ASME SB 472UNS 8020 ( ALLOY 20 / 20 CB 3)

Copper Alloy
ASTM / ASME SB 61 UNS NO. C 92200 & ASTM / ASME SB 62 UNS NO. C 83600.
ASTM / ASME SB 151 UNS NO.70600, 71500, C 70600 ( CU -NI- 90/10), C 71500 ( CU -NI- 70/30), ASTM / ASME SB 152 UNS NO C 10100, C 10200, C 10300, C 10800, C 12000, C 12200.

Stainless Steel
ASTM / ASME SA 182 F304, 304L, 304H, 309H, 310H, 316, 316H, 316L, 316 LN, 317, 317L, 321, 321H, 347, 347 H.

Duplex Steel
ASTM / ASME SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61.

Carbon Steel
ASTM / ASME A 105.
ASTM / ASME A 350 LF 2.

Alloy Steel
ASTM / ASME A 182 GR F 5, F 9, F 11, F 12, F 22, F 91.

Nickel Alloy Standard :

ASTM / ASME SB 564 / 160 / 472
Nickel 200 – UNS N02200
Nickel 201 – UNS N02201
Monel 400 – UNS N04400
Monel K500 – UNS N05500
Inconel K600 – UNS N06600
Inconel 601 – UNS N06601
Inconel 625 – UNS N06625
Inconel 800 – UNS N08800
Inconel 800H – UNS N08810
Inconel 825 – UNS N08825
Hastelloy C276 – UNS N10276
Alloy 20 – UNS N08020

Dimensions

Type of OletsNipoflange
Size 1/8″ (6 NB) to 20″ (500NB)
StandardMSS SP-97
Class  3000LB(SCH40,SCH80,STD,XS) 6000LB(SCH160,XXS)

Material

Grade
Carbon Steel  

ASTM / ASME A/SA 105 ASTM / ASME A 350 , ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F70

Stainless Steel

ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L 
Alloy Steel  ASTM / ASME A/SA 182 F12, A182 F11, A182 F22, A182 F5, A350 LF2, A350 LF3

EXPANDER FLANGE

Nominal Bore Size

Size : 1/2″ NB TO 48″NB.

Class150#, 300#,400 #,600#,900#, 1500# & 2500 # 
Material Specification
  • Stainless Steel : ASTM A 182, A 240

    Grade : F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L, Duplex stainless steel UNS S31803, 2205, 2507 Super Duplex stainless steel UNS S32750

  • Carbon Steel : ASTM A 105, ASTM A 350

  • Alloy Steel : ASTM A 182, GR F1, F11, F22, F5, F9, F91

  • Nickel Alloys : Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22,C276,Cupro Nickel,Alloy 20

  • Non Ferrous Alloys : Copper, Brass,Aluminum Bronze,Titanium,Phosphor Bronze & Gunmetal.

Manufacturing &

Dimensional Standards

ANSI : ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48

DIN : DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673

B.S : BS4504 , BS4504, BS1560, BS10 

Advantages of Expander Flanges
It’s compact size saves space when compared to a reducer-welding neck flange
Only one butt-weld is needed to install the Expander Flange Very cost effective and competitively priced
Full range of sizes available.