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Weld Neck Flanges

Universe Metal & Alloy stands tall as one of India's premier Weld Neck Flange Manufacturers, Suppliers, Stockists, and Exporters delivering exceptional quality and service to clients worldwide. Our commitment to excellence, combined with extensive expertise in Stainless Steel Weld Neck Flanges, sets us apart as leaders in the industry.

Weld Neck Flanges Manufacturers Suppliers Stockists Exporters

Crafted with precision and care, our Stainless Steel Weld Neck Flanges Exporters are engineered to meet the most demanding requirements of various industries. Rigorous testing procedures, adhering to ASTM, ASME, and ANSI standards, ensure superior toughness and hardness, guaranteeing reliable performance in critical applications.

Weld Neck Flanges Manufacturers, Weld Neck Flanges Suppliers, Weld Neck Flanges Stockists, Weld Neck Flanges Exporters

Universe Metal & Alloy offers a comprehensive range of Stainless Steel Weld Neck Flanges Manufacturers, tailored to meet diverse customer needs. Whether you require specific sizes, thicknesses, or coatings, our dedicated sales experts are at your service, providing prompt assistance and confirming delivery schedules to your nearest port.

Weld Neck Flanges Manufacturers in India, Weld Neck Flanges Suppliers in India, Weld Neck Flanges Stockists in India, Weld Neck Flanges Exporters in India

Our ASTM A182 Weld Neck Flanges are renowned for their exceptional quality, designed using high-grade raw materials and cutting-edge technology in compliance with international standards. Available in a variety of sizes and shapes, our Stainless Steel Weld Neck Flanges are ideal for applications requiring high-pressure piping, ensuring optimal gas and fluid flow with precise bore alignment.

The unique design of Weld Neck Flanges, also known as tapered hub or high-hub flanges, effectively transfers stress to pipes, reducing stress concentrations at the flange base. These flanges excel in severe and critical conditions, including high pressure, extreme temperatures, volatile fluids, and sub-zero environments.

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Universe Metal & Alloy's Weld Neck Flange Suppliers division boasts integrated forging units capable of producing a wide range of flanges to meet various specifications, including ASME/ANSI, EN, DIN, AFNOR, AWWA, GOST, BS, JIS, AS, MSS, SA, UNI, and more. Whether it's Forged Flanges or Plate Flanges, we offer sizes ranging from 12" to 40", catering to industrial needs with unparalleled quality and customer satisfaction.

In addition to Weld Neck Flanges, Universe Metal & Alloy is a trusted supplier of Blind Flanges, Threaded Flanges, and Long Weld Flanges, providing comprehensive solutions for diverse piping requirements. Our commitment to excellence, superior quality, and unmatched service make us the preferred choice for all flange needs. With a focus on innovation and customer satisfaction, Universe Metal & Alloy continues to lead the way in the Weld Neck Flange industry, delivering excellence with every product and service. Contact us today to experience the difference and elevate your piping systems with our premium quality Stainless Steel Weld Neck Flanges.

  • Specification of Weld Neck Flanges
    ASME B16.5 Weld Neck Flange Size Chart 1/2" (15 NB) to 48" (1200NB) DN10~DN5000
    Weld Neck Pipe 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
    Weld Neck Reducing Flange Pressure Rating ANSI Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS Weld Neck Rtj Flange
    SWRF Flanges Pressure Calculation in DIN 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 Weld Neck Reducing Flange
    JIS 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K SWRF Flanges
    UNI 6Bar 10Bar 16Bar 25Bar 40Bar Weld Neck Pipe Flange
    EN 6Bar 10Bar 16Bar 25Bar 40Bar Weld Neck Sae Flange
    Coating Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized
    Most common types of Weld Neck Hub 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
    AS, ANSI, BS, DIN and JIS
    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

    ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc.
    Weld Neck Reducing 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 Weld Neck Sae Flange
    • The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276
    Weld Neck Pipe 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
  • Dimensions of Weld Neck Flange
    Drilling
    Nominal Bore Weld Neck Dia.(D) Thick.(E) Dia.(F) Dia.(B) Dia.(A) Height1(H) Nbr Holes Dia.(C)
    1/2″
    90
    11.2
    35.05
    30
    22.2
    14
    4
    15.87
    60.3
    3/4″
    100
    12.7
    42.92
    38
    27.7
    14
    4
    15.87
    69.9
    1″
    110
    14.3
    50.80
    49
    34.5
    16
    4
    15.87
    79.4
    1 1/4″
    115
    15.9
    63.50
    59
    43.2
    19
    4
    15.87
    88.9
    1 1/2″
    125
    17.5
    73.15
    65
    49.5
    21
    4
    15.87
    98.4
    2″
    150
    19.1
    91.94
    78
    61.9
    24
    4
    19.05
    120.7
    2 1/2″
    180
    22.3
    104.65
    90
    74.6
    27
    4
    19.05
    139.7
    3″
    190
    23.9
    127.00
    108
    90.7
    29
    4
    19.05
    152.4
  • 150# ANSI Weld Neck Flanges
    Nominal
    Pipe
    Size
    "A"
    (O.D.)
    "B"
    (Thk.)
    "C"
    (RF Dia.)
    "D"
    (B.C.D.)
    # Bolt
    Holes
    Dia. of
    Bolt Holes
    Approx.
    Weight
     1/2" 3-1/2 7/16 1-3/8 2-3/8 4 5/8 2
     3/4" 3-7/8 1/2 1-11/16 2-3/4 4 5/8 2
     1" 4-1/4 9/16 2 3-1/8 4 5/8 2
     1-1/4" 4-5/8 5/8 2-1/2 3-1/2 4 5/8 3
     1-1/2" 5 11/16 2-7/8 3-7/8 4 5/8 3
     2" 6 3/4 3-5/8 4-3/4 4 3/4 4
     2-1/2" 7 7/8 4-1/8 5-1/2 4 3/4 7
     3" 7-1/2 15/16 5 6 4 3/4 9
     3-1/2" 8-1/2 15/16 5-1/2 7 8 3/4 13
     4" 9 15/16 6-3/16 7-1/2 8 3/4 17
     5" 10 15/16 7-5/16 8-1/2 8 7/8 20
     6" 11 1 8-1/2 9-1/2 8 7/8 27
     8" 13-1/2 1-1/8 10-5/8 11-3/4 8 7/8 47
     10" 16 1-3/16 12-3/4 14-1/4 12 1 67
     12" 19 1-1/4 15 17 12 1 123
     14" 21 1-3/8 16-1/4 18-3/4 12 1-1/8 139
     16" 23-1/2 1-7/16 18-1/2 21-1/4 16 1-1/8 187
     18" 25 1-9/16 21 22-3/4 16 1-1/4 217
     20" 27-1/2 1-11/16 23 25 20 1-1/4 283
     24" 32 1-7/8 27-1/4 29-1/2 20 1-3/8 415
    1/16" raised face included in flange thickness.
  • Weight Chart Of PN16 Weld Neck Flanges
    NPS
    (Inches)
    DN
    (mm)
    FLANGE OD
    A MM
    FLANGE THICKNESS D
    MM
    SLIP ON FLANGE WEIGHT (KGS) WELD NECK FLANGE WEIGHT (KGS) Weld Neck FLANGEs WEIGHT (KGS)
    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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