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ANSI B16.5 Class 900 Flanges Manufacturer and Supplier in Kolkata, India

Veer Flanges, a India-based Kolkata company, is a reputable manufacturer and supplier of top-quality industrial flanges, specializing in ANSI B16.5 Class 900 flanges. Flanges by Veer Flanges are built to handle high-pressure conditions, fitting for critical uses in the oil and gas, petrochemical, and power generation industries. Veer Flanges supplies a wide range of flange types, such as weld neck, slip-on, and blind flanges, to be compatible with different piping systems. Their dedication to precision engineering and compliance with international standards makes them a reliable partner for customers requiring dependable and robust flange solutions in challenging conditions.

Raised Face Class 900 Flanges India, 900 LBS Flange Kolkata, ANSI B16.5 Class 900 Flange Kolkata, ANSI B16.5 Class 900 Forged Flanges Kolkata, ANSI B16.5 900 LBS Pipe Flange India, 900 LB Plate Flange Kolkata, AWWA Class 900 Flanges Manufacturer in India.

900 LBS Flanges

Raised Face Class 900 Flanges In India

Raised Face Class 900 Flanges

ANSI B16.5 Class 900 Flange

ANSI B16.5 Class 900 flanges are usually constructed from materials such as carbon steel (A105), stainless steel (304/316), and alloy steels, depending on usage. These materials provide toughness, corrosion resistance, and strength at high pressures. Mechanically, the flanges possess very high tensile strength (up to 485 MPa for A105), yield strength (250 MPa minimum), and very good hardness. They are constructed to function at pressures up to 2220 psi at 100°F. The strong composition and mechanical properties make them suitable for critical applications in the oil, gas, chemical and power industries.

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We offer These Flanges as per DIN, ISO, JIS or ANSI Standard.

ANSI B16.5 Class 900 Flanges Specification

Size Range 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000
Standards B16.47 Series A & B, ANSI/ASME B16.5, BS4504, B16.48, EN-1092, BS 10, DIN, ANSI Flanges, BS Flanges, ASME Flanges, EN Flanges, DIN Flanges, GOST Flanges.
DIN 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64
JIS 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K
UNI 6Bar 10Bar 16Bar 25Bar 40Bar
EN 6Bar 10Bar 16Bar 25Bar 40Bar
Main Types Threaded / Forged / Plate /Screwed
Flange supporting material Ring Joint, Gasket, Flange Bolts
Test Certificates EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc
Most Common Types
  • Slip-On Ring Flange (SORF), Class 900
  • Weld Neck Ring Flange (WNRF), Class 900
  • Threaded Ring Flange, Class 900
  • Socket Weld Ring Flange (SWRF), Class 900
  • Blind Ring Flange (BLRF), Class 900
  • Ring Type Joint Flange (RTJF), Class 900
  • Lap Joint Ring Flange (LJRF), Class 900
Production technique
  • Forged, Heat treated and machined
Connect Type/ Flange Face Type Ring Type Joint (RTJ), Raised Face (RF),Large Male-Female (LMF), Flat Face (FF),Small Male-Female (SMF), Lap-Joint Face (LJF), Large Tongue & Groove, Small Tongue, Groove
Special design As per your drawing AS, ANSI, BS, DIN and JIS 15 NB (1/2″) to 200 NB (8″) Equal and Reducing Configurations Class 900 Threaded Flange, Socketweld Flange, Slip-On Flange, Blind Flange, Weld Neck Flange
Test Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector
Equipment Bending machine, Press machine, electric bevelling machine, Pushing Machine, Sand-blasting machine etc
Origin Indian / West Europe / Japan / USA / Korean
Specialized Manufacturer of
  • Class 900 Blind Flanges
  • Class 900 Large Diameter Flange
  • Class 900 Table Flanges
  • Class 900 Sorf Flange
  • Class 900 Socketweld Flanges
  • Class 900 Threaded Flanges
  • Class 900 Weld Neck Flanges
  • Class 900 Slip-On Flanges
  • Class 900 Loose Flanges
  • Class 900 AS 4087 Water Flanges
  • Class 900 Lap Joint Flanges
  • Class 900 Plate Flanges
  • Class 900 Orifice Flanges
Standard ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc. BS Flange, EN Flange, API 6A Flange, ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange
  • ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
  • AS 2129: Table D; Table E; Table H
  • B.S: BS4504 , BS3293, BS1560, BS10
  • ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
  • ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48
  • German (DIN)
  • American standard (ANSI)
  • Any other specilised flanges
  • British standard (BS)
  • The other standard : AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203;UNI2276
  • DIN: DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638

ANSI B16.5 Class 900 Flanges Dimensions

Normal pipe size Outside dia. of flange Minimum thickness of flange Overall Length Bolt Circle No. and Size of Holes O.D. of raised face
Welding neck Slip-on & socket welding Lap Joint
O Q Y Diam. No. dia. R
1/2 95 14.3 52.4 22.2 22.2 66.5 4 15 35
3/4 117 15.9 57.2 25.4 25.4 82.5 4 19 43
1 124 17.5 61.9 27.0 27.0 89.0 4 19 51
1-1/4 133 20.7 66.7 28.6 28.6 98.5 4 19 64
1-1/2 156 22.3 69.8 31.8 31.8 114.5 4 22 73
2 165 25.4 73.0 36.5 36.5 127.0 8 19 92
2-1/2 190 28.6 79.4 41.3 41.3 149.0 8 22 105
3 210 31.8 82.6 46.0 46.0 168.0 8 22 127
3-1/2 229 35.0 85.7 49.2 49.2 184.0 8 25 140
4 273 38.1 101.6 54.0 54.0 216.0 8 25 157
5 330 44.5 114.3 60.3 60.3 266.5 8 29 186
6 356 47.7 117.5 66.7 66.7 292.0 12 29 216
8 419 55.6 133.4 76.2 76.2 349.0 12 32 270
10 508 63.5 152.4 85.7 115.1 432.0 16 85 324
12 559 66.7 155.6 92.1 111.1 489.0 20 35 381
14 603 69.9 165.1 93.7 117.5 527.0 20 38 413
16 686 76.2 177.8 106.4 127.0 603.0 20 41 470
18 743 82.6 184.2 117.6 139.7 654.0 20 45 533
20 813 88.9 190.5 127.0 165.1 724.0 24 45 584
24 940 101.6 203.2 139.7 184.2 838.0 24 51 692

ANSI B16.5 Class 900 flanges are applied to high-pressure piping systems in industries like the oil and gas, petrochemical, power generation, and marine engineering sectors. The flanges can support pressures of up to 2220 psi at 100°F and are thus suitable for harsh environments. Common uses include joining valves, pumps, and equipment in steam, gas, and corrosive liquid pipelines. Their robust design allows for leak-free connections and system integrity upon exposure to extreme pressure and temperature conditions. Subject to various types such as weld neck, blind, and slip-on, they ensure reliability, safety, and accessibility when servicing critical infrastructures and business undertakings.

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Types of ANSI B16.5 Class 900 Flanges

AWWA Class 900 Flanges
SS Class 900 Flanges In India
SS Class 900 Flanges
900 LB Plate Flange In India
900 LB Plate Flange
900 LBS Flanges In India
900 LBS Flanges
900 LBS Flange In India
900 LBS Flange
900 LB Plate Flange In India
900 LB Plate Flange

Are Custom Sizes Available for ANSI B16.5 Class 900 Flanges?

Yes, we offer custom sizes for ANSI B16.5 Class 900 Flanges to meet specific project needs. Our team at Veer Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@veerflanges.co.in.

Material Testing

We are renowned for delivering products with precise, accurate dimensions. Each product undergoes thorough testing, both destructive and non-destructive, to ensure quality before being shipped to our customers.

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Application Industry of ANSI B16.5 Class 900 Flanges

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