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ASME B16.5 Expander Flange is such a welding neck pipe spine used to make pipe size at the rib affiliation. If you have restricted space or on an uncommonly essential level need to talk with more fundamental line size, it gives an obliging methodology to mechanical party, siphons, and valves. The Stainless Steel expander spine can prevent the utilization from getting a rib and reducer. The Pressure appraisals and assessments are as shown by ANSI/ASME B16.5. This Expander Weld Neck Flange has a raised face.

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Treated Steel Expander Flange. We are passing on Hastelloy Expander Flange, ASME B16.5 Expander Flange, ANSI B16.5 Class 150 Expander Flange and ASTM A105 Expander Flange acceptably by ethics of reasonable power hours in India and bewildering wellspring of first rate ASTM A182 SS Expander Flanges, most ideal situation, cost open in Mumbai, India. We are API expander spine suppliers in India, Check expander rib evaluations and Weight Charts. We are vender of smoke spine expander in Mumbai.

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Specification of Expander Weld Neck Flanges

ASME B16.5 Expander Flange Size Chart 1/2" (15 NB) to 48" (1200NB) DN10~DN5000
Expander Weld Neck Flange Standards ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092
Expander Weld Neck Flange Pressure Rating ANSI Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS Expander Flange
Expander Flange Pressure Calculation in DIN 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 Expander Weld Neck Flange
JIS 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K Expander Flange
UNI 6Bar 10Bar 16Bar 25Bar 40Bar Expander Weld Neck Flange
EN 6Bar 10Bar 16Bar 25Bar 40Bar Expander Flange
Coating Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized
Most common types of Expander Weld Neck Flange Forged / Threaded / Screwed / Plate
Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Production technique
  • Forged, Heat treated and machined
Connect Type/ Flange Face Type Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove
Special design

As per your drawing

15 NB (1/2") to 200 NB (8")
Equal and Reducing Configurations

Test Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector
Equipment Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc
Origin Indian / West Europe / Japan / USA / Korean
Manufacturer of

Expander Weld Neck Flange: -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

  • B.S: BS4504 , BS3293, BS1560, BS10
  • AS 2129: Table D; Table E; Table H
  • ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
  • ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48
  • ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
  • American standard (ANSI)
  • German (DIN)
  • British standard (BS)
  • 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 Expander Flange
  • The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276
Expander Weld Neck Flange Uses & application
  • Bitumen upgraders.
  • Heavy oil refineries.
  • Nuclear power (mostly seamless).
  • Petrochemicals and acids.
Export to Ireland, Singapore, Indonesia, Ukraine, Saudi Arabia, Spain, Canada, USA, Brazil, Thailand, Korea, Iran, India, Egypt, Oman, Dubai, Peru, etc
Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175

Material of Expander Flange

  • Carbon Steel Expander Flange
    • A105 Expander Flange
  • Alloy Steel High-Temp Expander Flange
    • A182 Gr F1 Expander Weld Neck Flange
    • A182 Gr F11 Expander Weld Neck Flange
    • A182 Gr F12 Expander Flange
    • A182 Gr F22 Expander Flange
    • A182 Gr F5 Expander Weld Neck Flange
    • A182 Gr F9 Expander Flange
  • Alloy Steel Low-Temp Expander Flange
    • A350 Gr LF2 Expander Weld Neck Flange
    • A350 Gr LF3 Expander Flange
  • Austenitic Stainless Steel Expander Flange
    • A182 Gr F304 Expander Flanges
    • A182 Gr F316 Expander Flanges
    • A182 Gr F321 Expander Weld Neck Flanges
    • A182 Gr F347 Expander Flanges
    • A182 Gr F304L Expander Weld Neck Flanges
    • A182 Gr F316L Expander Flanges
    • A182 Gr F317 Expander Flanges
    • A182 Gr F317L Expander Weld Neck Flanges
    • A182 Gr F321 Expander Weld Neck Flanges
    • A182 Gr F310 Expander Weld Neck Flanges
    • A182 Gr 347 Expander Flanges
  • Nickel Alloy Expander Weld Neck Flange
    • ASTM B564 Expander Weld Neck Flanges
    • astm b564 uns n06600 Expander Weld Neck Flanges
    • astm b564 uns n06625 Expander Flanges
    • astm b564 uns no4400 Expander Flanges
    • astm b564 uns n08810 Expander Weld Neck Flanges
    • astm b564 uns n08811 Expander Weld Neck Flanges
    • astm b564 uns n08825 Expander Flanges
    • astm b564 uns n04400 Expander Flanges
    • astm b564 uns n10276 Expander Flanges
    • astm b564 uns n10665 Expander Weld Neck Flanges
  • Titanium Expander Flange
    • astm b381 grade f2 Expander Weld Neck Flanges
    • astm b381 f5 Expander Flanges
    • astm b381 f3 Expander Flanges
    • astm b381 f12 Expander Flanges
    • astm b381 f7 Expander Weld Neck Flanges
    • Other grades: ASTM B381 F1, F2, F2H, F3, F4, F5, F6, F7, F7H, F9, F10, F11, F12, F13, F14, F15, F16, F16H, F17, F18, F19, F20, F21, F23, F24, F25, F26 , F26H, F27, F28, F29, F30, F31, F32, F33, F34, F35, F36, F37, F38 Expander Weld Neck Flange


Dimensions of Expander Flange

Expander flange Dimensions
  • ASME / ANSI B16.5 Flange class 150 Expander Flanges
  • ASME / ANSI B16.5 Flange class 300 Expander Flanges
  • ASME / ANSI B16.5 Flange class 600 Expander Flanges

Weight Chart Of Expander Weld Neck Flange

1/ 2 15 88.9 11.2 0.4 0.5 0.4
3/ 4 20 98.6 12.7 0.6 0.7 0.6
1 25 108 14.2 0.8 1 0.9
1 1/ 4 32 117.3 15.7 1 1.3 1.2
1 1/ 2 40 127 17.5 1.3 1.7 1.5
2 50 152.4 19.1 2.1 2.6 2.4
2 1/ 2 65 177.8 22.4 3.3 4.1 3.9
3 80 190.5 23.9 3.9 4.9 4.9
3 1/ 2 90 215.9 23.9 4.8 6.1 6.2
4 100 228.6 23.9 5.3 6.8 7.0
5 125 254 23.9 6.1 8.6 8.6
6 150 279.4 25.4 7.5 10.6 11.3
8 200 342.9 28.4 12.1 17.6 19.6
10 250 406.4 30.2 16.5 24 28.6
12 300 482.6 31.8 26.2 36.5 43.2
14 350 533.4 35.1 34.6 48.4 58.1
16 400 596.9 36.6 44.8 60.6 76.1
18 450 635 39.6 48.9 68.3 93.7
20 500 698.5 42.9 61.9 84.5 122.0
24 600 812.8 47.8 86.9 115 185.0

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