Wide Stockists of ANSI B16.5 WNRF Blind Flange, Long Weld Neck Flange Suppliers in Mumbai

Check the Market price before you buy ANSI B16.5 WNRF Pipe Flange, We provide Long Weld Neck Flange with instant delivery, Distributors Of ANSI B16.5 Weld Neck Flange Raised Face.

Weld Neck Flanges

Weld Neck Flanges


Raaj Pipe Fittings has reputed name in metal industry as a Weld Neck Flange Manufacturers India with Hight quality material and standards. Weld Neck Flanges ANSI B16.5 have drilled wall thickness which is of equally same dimension existing for matching pipe. Weld Neck Flange transfers stress from the flange to the pipe instead. Our Weld neck flange has a good quality and thus becomes easy to distinguish it. ANSI B16.5 WNRF Blind Flange are often used for applications where high pressure is a main factor. Our WNRF Flange are usually used in high pressure systems and are suitable for both hot or cold temperatures.

Our offered Long weld neck flanges are called by this name due to their longer neck as compared to standard flanges. These Weld Neck Raised flanges are used in industrial applications as nozzles for columns or barrels.

We offer these Stainless Steel Weld Neck Flange, Brass Weld Neck Flange, Copper Nickel Weld Neck Flange, Hastelloy Weld Neck Flange, Monel Weld Neck Flange, Copper Weld Neck Flange, Inconel Weld Neck Flange, Alloy 20 Weld Neck Flange, Nickel Weld Neck Flange, Duplex Weld Neck Flange, Aluminium Weld Neck Flange, Super Duplex Weld Neck Flange, Incoloy Weld Neck Flange, etc.

We Keep bulk stock of Weld Neck Flange asme b16.5, wnrf flange class 150, wnrf flange class 300, wnrf flange class 600, wnrf flange class 900, weld neck flange b16.5 for instant delivery in countries like Malaysia, UK, South Africa, Brisbane, Philippines, Australia, Sydney, UAE and Zimbabwe. We gives huge discount on weld neck ring type joint flange, weld neck rtj flange, weld neck raised flange, weld neck welded flange, weld neck threaded flange, in cities like Delhi, Rajkot, Ludhiana, Bhosari, Ghaziabad, Ahmedabad, Bangalore, Pune, Chennai, Vadodara.

Keep bulk stock of Weld Neck Ring Joint Flange for Instant Delivery, Viwe Weld Neck Threaded Flange price list, Weld Neck Flanges ANSI B16.5 Wholesalers, weld neck flange schedule 80 Manufacturers in Mumbai.


Available Grades in Weld Neck Flanges :


Weld Neck Flanges Specification

  • Class: 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.
  • Size: 1/2-78 inch (DN15-DN2000)
  • Pressure: ANSI class 150,300,600,1500,2500, DIN PN6,PN10,PN16,PN25,PN40,PN64,PN100,PN160
  • Type: WN Forged Flange , Weld Neck Flanges – WNRF
  • Material:Stainless Steel Weld Neck Flanges :ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904LCarbon Steel Weld Neck Flanges: ASTM / ASME A/SA 105 ASTM / ASME A 350 , ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F70Alloy Steel Weld Neck Flanges: ASTM / ASME A/SA 182 A 387 F1, F5, F9, F11, F12, F22, F91Duplex Steel Weld Neck Flanges: ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61Nickel Alloy Weld Neck Flanges: Monel 400 500, Inconel 600 625, Incolloy 800, 825, Hastelloy C22, C276, Copper Nickel, Hastelloy, Nickel, Monel, Inconel, Alloy20.
  • Standard: ANSI : ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48 ,JIS,DIN,BS4504,SABS1123,EN1092-1, UNI,AS2129,GOST-12820DIN : DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673B.S : BS4504 , BS4504, BS1560, BS10
  • E-catalogue: Available , please visit catalogue of flange
  • Usage: Oil Field, Offshore, Water System, Shipbuilding, Natural Gas, Electric Power, Pipe Projects etc.
  • Packing: No Fumigate or Fumigate Plywood/Wood Pallet or Case
  • Surface Treatment: Anti-rust Oil, Transparent/Yellow/Black Anti-rust Paint,Zinc,Hot dipped Galvanized.

ASME/ ANSI B16.5 Weld Neck (WN) Pipe Flanges Manufacturing Materials

Dimensions Base Material Pressure Rating
EN1092-1 ASTM A182 (Forgings) PN2.5. PN6. PN10. PN16. PN25. PN40. PN63. PN100. PN160. PN250. PN320. PN400.
BS4504 BS970 (Bar)ASTM A240 (Plate) ASTM A182 (Forgings) PN2.5. PN6. PN10. PN16. PN25. PN40. PN63. PN100. PN160.
ASME B16.5 ASTM A182 (Forgings) ASTM A240 (Plate) 150#. 300#. 400#. 600#. 900#. 1500#. 2500#.
API 605 ASTM A182 (Forgings) ASTM A240 (Plate) 150#. 300#. 400#. 600#. 900#. 1500#. 2500#.
ASME B16.47series A B ASTM A182 (Forgings) ASTM A240 (Plate) 150#. 300#. 400#. 600#. 900#. 1500#. 2500#.
BS10 BS970 (Bar)ASTM A240 (Plate) ASTM A182 (Forgings)

Manufacturers And Suppliers Of Different Types Of Flanges At Discounted Price

Forged Flanges

Forged Flanges

Blind Flanges

Blind Flanges

Slip on Flanges

Slip on Flanges

Weld Neck Flanges

Weld Neck Flanges

Lapped Joint Flanges

Lapped Joint Flanges

Threaded Flanges

Threaded Flanges

Socket Weld Flanges

Socket Weld Flanges

Long Weld Neck Flanges

Long Weld Neck Flanges

Weldo / Nipo Flanges

Weldo / Nipo Flanges

Orifice Flanges

Orifice Flanges

Reducing Flanges

Reducing Flanges

 Flat Flanges

Flat Flanges

Loose Flanges

Loose Flanges

RTJ Flanges

RTJ Flanges

Sorf Flanges

Sorf Flanges

Square Flanges

Square Flanges

Swrf Flanges

Swrf Flanges

Expander Flanges

Expander Flanges

Wnrf Flanges

Wnrf Flanges

Ring Type Joint Flanges

Ring Type Joint Flanges

Groove  Tongue Flanges

Groove Tongue Flanges

High Hub Blinds Flanges

High Hub Blinds Flanges

Spectacle Blind Flanges

Spectacle Blind Flanges

Weld Neck Flanges A / B

Weld Neck Flanges A / B

Spades Ring Spacers Flanges

Spades Ring Spacers Flanges

Screwed Flanges

Screwed Flanges

Forging Facing Flanges

Forging Facing Flanges


Typical Stainless Steel 18/8 Grade Designations

ASTM BS DIN EURONORM
304L 304S11 X2 Cr Ni 18 9 1.4307
304 304S15 X5 Cr Ni 18 10 1.4301
316L 316S11 X2 Cr Ni Mo 17 13 2 1.4404
316 316S31 X5 Cr Ni Mo 17 12 2 1.4401
316Ti 320S31 X6 Cr Ni Mo Ti 17 12 2 1.4571
321 321S31 X6 Cr Ni 18 10 1.4541
SMO 254SMO X1 Cr Ni Mo Cu N 20 18 7 1.4547

Technical Information – Specifications, Dimensions Weld Neck Flanges

  • ANSI/ASME B16.47 Series A (MSS SP44) Weld Neck Flange 150lb
  • ANSI/ASME B16.47 Series A (MSS SP44) Weld Neck Flange 300lb
  • ANSI/ASME B16.47 Series A (MSS SP44) Weld Neck Flange 400lb
  • ANSI/ASME B16.47 Series A (MSS SP44) Weld Neck Flange 600lb
  • ANSI/ASME B16.47 Series A (MSS SP44) Weld Neck Flange 900lb
  • ANSI/ASME B16.47 Series B Weld Neck Flange 75lb
  • ANSI/ASME B16.47 Series B Weld Neck Flange 150lb
  • ANSI/ASME B16.47 Series B Weld Neck Flange 300lb
  • ANSI/ASME B16.47 Series B Weld Neck Flange 600lb
  • ANSI/ASME B16.47 Series B Weld Neck Flange 400lb
  • ANSI/ASME B16.47 Series B Weld Neck Flange 900lb
  • ANSI ASME B16.5 Class 150 Weld Neck Flanges Dimensions
  • ANSI ASME B16.5 Class 300 Weld Neck Flanges Dimensions
  • ANSI ASME B16.5 Class 400 Weld Neck Flanges Dimensions
  • ANSI ASME B16.5 Class 600 Weld Neck Flanges Dimensions
  • ANSI ASME B16.5 Class 900 Weld Neck Flanges Dimensions
  • ANSI ASME B16.5 Class 1500 Weld Neck Flanges Dimensions
  • ANSI ASME B16.5 Class 2500 Weld Neck Flanges Dimensions

Dimension of Weld Neck Flanges

Dimension of Weld Neck Flanges

Dimensions of Weld Neck ASME B16.5 – class 150 Lbs

Nominal size Outside diam. of flange Thick. of flange Diam. of raised face Diam of hub at base Diam. of hub at point of welding Length thru hub No. of holes Diam. of holes Diam. of bolts Diam. of bolt circle Approx. weight pounds Kg
O C R X A Y
in. 1/2 3.50 0.44 1.38 1.19 0.84 1.88 4 0.62 1/2 2.38 2
mm. 88.9 11.2 35.1 30.2 21.3 47.8 15.7 12.7 60.5 1
in. 3/4″ 3.88 0.50 1.69 1.50 1.05 2.06 4 0.62 1/2 2.75 2
mm. 98.6 12.7 42.9 38.1 26.7 52.3 15.7 12.7 69.9 1
in. 1″ 4.25 0.56 2.00 1.94 1.32 2.19 4 0.62 1/2 3.12 3
mm. 108.0 14.2 50.8 49.3 33.5 55.6 15.7 12.7 79.2 1
in. 1 1/4″ 4.62 0.62 2.50 2.31 1.66 2.25 4 0.62 1/2 3.50 3
mm. 117.3 15.7 63.5 58.7 42.2 57.2 15.7 12.7 88.9 1
in. 1 1/2″ 5.00 0.69 2.88 2.56 1.90 2.44 4 0.62 1/2 3.88 4
mm. 127.0 17.5 73.2 65.0 48.3 62.0 15.7 12.7 98.6 2
in. 2″ 6.00 0.75 3.62 3.06 2.38 2.50 4 0.75 5/8 4.75 6
mm. 152.4 19.1 91.9 77.7 60.5 63.5 19.1 15.9 120.7 3
in. 2 1/2″ 7.00 0.88 4.12 3.56 2.88 2.75 4 0.75 5/8 5.50 8
mm. 177.8 22.4 104.6 90.4 73.2 69.9 19.1 15.9 139.7 4
in. 3″ 7.50 0.94 5.00 4.25 3.50 2.75 4 0.75 5/8 6.00 10
mm. 190.5 23.9 127.0 108.0 88.9 69.9 19.1 15.9 152.4 5
in. 3 1/2″ 8.50 0.94 5.50 4.81 4.00 2.81 8 0.75 5/8 7.00 12
mm. 215.9 23.9 139.7 122.2 101.6 71.4 19.1 15.9 177.8 5
in. 4″ 9.00 0.94 6.19 5.31 4.50 3.00 8 0.75 5/8 7.50 15
mm. 228.6 23.9 157.2 134.9 114.3 76.2 19.1 15.9 190.5 7
in. 5″ 10.00 0.94 7.31 6.44 5.56 3.50 8 0.88 3/4 8.50 19
mm. 254.0 23.9 185.7 163.6 141.2 88.9 22.4 19.1 215.9 9
in. 6″ 11.00 1.00 8.50 7.56 6.63 3.50 8 0.88 3/4 9.50 24
mm. 279.4 25.4 215.9 192.0 168.4 88.9 22.4 19.1 241.3 11
in. 8″ 13.50 1.12 10.62 9.69 8.63 4.00 8 0.88 3/4 11.75 39
mm. 342.9 28.4 269.7 246.1 219.2 101.6 22.4 19.1 298.5 18
in. 10″ 16.00 1.19 12.75 12.00 10.75 4.00 12 1.00 7/8 14.25 52
mm. 406.4 30.2 323.9 304.8 273.1 101.6 25.4 22.2 362.0 24
in. 12″ 19.00 1.25 15.00 14.38 12.75 4.50 12 1.00 7/8 17.00 80
mm. 482.6 31.8 381.0 365.3 323.9 114.3 25.4 22.2 431.8 36
in. 14″ 21.00 1.38 16.25 15.75 14.00 5.00 12 1.12

1

18.75 110
mm. 533.4 35.1 412.8 400.1 355.6 127.0 28.4 25.4 476.3 50
in. 16″ 23.50 1.44 18.50 18.00 16.00 5.00 16 1.12

1

21.25 140
mm. 596.9 36.6 469.9 457.2 406.4 127.0 28.4 25.4 539.8 64
in. 18″ 25.00 1.56 21.00 19.88 18.00 5.50 16 1.25 1 1/8 22.75 150
mm. 635.0 39.6 533.4 505.0 457.2 139.7 31.8 28.6 577.9 68
in. 20R#8243; 27.50 1.69 23.00 22.00 20.00 5.69 20 1.25 1 1/8 25.00 180
mm. 698.5 42.9 584.2 558.8 508.0 144.5 31.8 28.6 635.0 82
in. 24″ 32.00 1.88 27.25 26.12 24.00 6.00 20 1.38 1 1/4 29.50 260
mm. 812.8 47.8 692.2 663.4 609.6 152.4 35.1 31.8 749.3 118

Dimensions of Weld Neck ASME B16.5 – class 300 Lbs

Nominal size Outside diam. of flange Thick. of flange Diam. of raised face Diam of hub at base Diam. of hub at point of welding Length thru hub No. of holes Diam. of holes Diam. of bolts Diam. of bolt circle Approx. weight pounds Kg
O C R X A Y
in. 1/2″ 3.75 0.56 1.38 1.50 0.84 2.06 4 0.62 1/2 2.62 2
mm. 95.3 14.2 35.1 38.1 21.3 52.3 15.7 12.7 66.5 1
in. 3/4″ 4.62 0.62 1.69 1.88 1.05 2.25 4 0.75 5/8 3.25 3
mm. 117.3 15.7 42.9 47.8 26.7 57.2 19.1 15.9 82.6 1
in. 1″ 4.88 0.69 2.00 2.12 1.32 2.44 4 0.75 5/8 3.50 4
mm. 124.0 17.5 50.8 53.8 33.5 62.0 19.1 15.9 88.9 2
in. 1 1/4″ 5.25 0.75 2.50 2.50 1.66 2.56 4 0.75 5/8 3.88 5
mm. 133.4 19.1 63.5 63.5 42.2 65.0 19.1 15.9 98.6 2
in. 1 1/2″ 6.12 0.81 2.88 2.75 1.90 2.69 4 0.88 3/4 4.50 7
mm. 155.4 20.6 73.2 69.9 48.3 68.3 22.4 19.1 114.3 3
in. 2″ 6.50 0.88 3.62 3.31 2.38 2.75 8 0.75 5/8 5.00 9
mm. 165.1 22.4 91.9 84.1 60.5 69.9 19.1 15.9 127.0 4
in. 2 1/2″ 7.50 1.00 4.12 3.94 2.88 3.00 8 0.88 3/4 5.88 12
mm. 190.5 25.4 104.6 100.1 73.2 76.2 22.4 19.1 149.4 5
in. 3″ 8.25 1.12 5.00 4.62 3.50 3.12 8 0.88 3/4 6.62 15
mm. 209.6 28.4 127.0 117.3 88.9 79.2 22.4 19.1 168.1 7
in. 3 1/2″ 9.00 1.19 5.50 5.25 4.00 3.19 8 0.88 3/4 7.25 18
mm. 228.6 30.2 139.7 133.4 101.6 81.0 22.4 19.1 184.2 8
in. 4″ 10.00 1.25 6.19 5.75 4.50 3.38 8 0.88 3/4 7.88 25
mm. 254.0 31.8 157.2 146.1 114.3 85.9 22.4 19.1 200.2 11
in. 5″ 11.00 1.38 7.31 7.00 5.56 3.88 8 0.88 3/4 9.25 32
mm. 279.4 35.1 185.7 177.8 141.2 98.6 22.4 19.1 235.0 15
in. 6″ 12.50 1.44 8.50 8.12 6.63 3.88 12 0.88 3/4 10.62 42
mm. 317.5 36.6 215.9 206.2 168.4 98.6 22.4 19.1 269.7 19
in. 8″ 15.00 1.62 10.62 10.25 8.63 4.38 12 1.00 7/8 13.00 67
mm. 381.0 41.1 269.7 260.4 219.2 111.3 25.4 22.2 330.2 30
in. 10″ 17.50 1.88 12.75 12.62 10.75 4.62 16 1.12 1 15.25 91
mm. 444.5 47.8 323.9 320.5 273.1 117.3 28.4 25.4 387.4 41
in. 12″ 20.50 2.00 15.00 14.75 12.75 5.12 16 1.25 1 1/8 17.75 140
mm. 520.7 50.8 381.0 374.7 323.9 130.0 31.8 28.6 450.9 64
in. 14″ 23.00 2.12 16.25 16.75 14.00 5.62 20 1.25 1 1/8 20.25 180
mm. 584.2 53.8 412.8 425.5 355.6 142.7 31.8 28.6 514.4 82
in. 16″ 25.50 2.25 18.50 19.00 16.00 5.75 20 1.38 1 1/4 22.50 250
mm. 647.7 57.2 469.9 482.6 406.4 146.1 35.1 31.8 571.5 113
in. 18″ 28.00 2.38 21.00 21.00 18.00 6.25 24 1.38 1 1/4 24.75 320
mm. 711.2 60.5 533.4 533.4 457.2 158.8 35.1 31.8 628.7 145
in. 20″ 30.50 2.50 23.00 23.12 20.00 6.38 24 1.38 1 1/4 27.00 400
mm. 774.7 63.5 584.2 587.2 508.0 162.1 35.1 31.8 685.8 181
in. 24″ 36.00 2.75 27.25 27.62 24.00 6.62 24 1.62 1 1/2 32.00 580
mm. 914.4 69.9 692.2 701.5 609.6 168.1 41.1 38.1 812.8 263

Dimensions of Weld Neck ASME B16.5 – class 600 Lbs

Nominal size Outside diam. of flange Thick. of flange Diam. of raised face Diam of hub at base Diam. of hub at point of welding Length thru hub No. of holes Diam. of holes Diam. of bolts Diam. of bolt circle Approx. weight pounds Kg
O C R X A Y
in. 1/2″ 3.75 0.56 1.38 1.50 0.84 2.06 4 0.62 1/2 2.62 2
mm. 95.3 14.2 35.1 38.1 21.3 52.3 15.7 12.7 66.5 1
in. 3/4″ 4.62 0.62 1.69 1.88 1.05 2.25 4 0.75 5/8 3.25 4
left. 117.3 15.7 42.9 47.8 26.7 57.2 19.1 15.9 82.6 2
in. 1″ 4.88 0.69 2.00 2.12 1.32 2.44 4 0.75 5/8 3.50 4
mm. 124.0 17.5 50.8 53.8 33.5 62.0 19.1 15.9 88.9 2
in. 1 1/4″ 5.25 0.81 2.50 2.50 1.66 2.62 4 0.75 5/8 3.88 6
mm. 133.4 20.6 63.5 63.5 42.2 66.5 19.1 15.9 98.6 3
left. 1 1/2″ 6.12 0.88 2.88 2.75 1.90 2.75 4 0.88 3/4 4.50 8
left. 155.4 22.4 73.2 69.9 48.3 69.9 22.4 19.1 114.3 4
in. 2″ 6.50 1.00 3.62 3.31 2.38 2.88 8 0.75 5/8 5.00 12
mm. 165.1 25.4 91.9 84.1 60.5 73.2 19.1 15.9 127.0 5
in. 2 1/2″ 7.50 1.12 4.12 3.94 2.88 3.12 8 0.88 3/4 5.88 18
mm. 190.5 28.4 104.6 100.1 73.2 79.2 22.4 19.1 149.4 8
left. 3″ 8.25 1.25 5.00 4.62 3.50 3.25 8 0.88 3/4 6.62 23
left. 209.6 31.8 127.0 117.3 88.9 82.6 22.4 19.1 168.1 10
in. 3 1/2″ 9.00 1.38 5.50 5.25 4.00 3.38 8 1.00 7/8 7.25 26
mm. 228.6 35.1 139.7 133.4 101.6 85.9 25.4 22.2 184.2 12
in. 4″ 10.75 1.50 6.19 6.00 4.50 4.00 8 1.00 7/8 8.50 42
mm. 273.1 38.1 157.2 152.4 114.3 101.6 25.4 22.2 215.9 19
left. 5″ 13.00 1.75 7.31 7.44 5.56 4.50 8 1.12

1

10.50 68
left. 330.2 44.5 185.7 189.0 141.2 114.3 28.4 25.4 266.7 31
in. 6″ 14.00 1.88 8.50 8.75 6.63 4.62 12 1.12 1 11.50 81
mm. 355.6 47.8 215.9 222.3 168.4 117.3 28.4 25.4 292.1 37
in. 8″ 16.50 2.19 10.62 10.75 8.63 5.25 12 1.25 1 1/8 13.75 120
mm. 419.1 55.6 269.7 273.1 219.2 133.4 31.8 28.6 349.3 54
left. 10″ 20.00 2.50 12.75 13.50 10.75 6.00 16 1.38 1 1/4 17.00 190
left. 508.0 63.5 323.9 342.9 273.1 152.4 35.1 31.8 431.8 86
in. 12″ 22.00 2.62 15.00 15.75 12.75 6.12 20 1.38 1 1/4 19.25 225
mm. 558.8 66.5 381.0 400.1 323.9 155.4 35.1 31.8 489.0 102
in. 14″ 23.75 2.75 16.25 17.00 14.00 6.50 20 1.50 1 3/8 20.75 280
mm. 603.3 69.9 412.8 431.8 355.6 165.1 38.1 34.9 527.1 127
left. 16″#8243; 27.00 3.00 18.50 19.50 16.00 7.00 20 1.62 1 1/2 23.75 390
left. 685.8 76.2 469.9 495.3 406.4 177.8 41.1 38.1 603.3 177
in. 18″ 29.25 3.25 21.00 21.50 18.00 7.25 20 1.75 1 5/8 25.75 475
mm. 743.0 82.6 533.4 546.1 457.2 184.2 44.5 41.3 654.1 215
in. 20″ 32.00 3.50 23.00 24.00 20.00 7.50 24 1.75 1 5/8 28.50 590
mm. 812.8 88.9 584.2 609.6 508.0 190.5 44.5 41.3 723.9 268
in. 24″ 37.00 4.00 27.25 28.25 24.00 8.00 24 2.00 1 7/8 33.00 830
left. 939.8 101.6 692.2 717.6 609.6 203.2 50.8 47.6 838.2 376

Dimensions of Weld Neck ASME B16.5 – class 900 Lbs

Nominal size Outside diam. of flange Thick. of flange Diam. of raised face Diam of hub at base Diam. of hub at point of welding Length thru hub No. of holes Diam. of holes Diam. of bolts Diam. of bolt circle Approx. weight pounds Kg
O C R X A Y
in. 1/2″ Sizes 1/2″ thru 2 1/2″ are identical to Class 1500.
mm.
in. 3/4″
mm.
in. 1″
mm.
in. 1 1/4″
mm.
in. 1 1/2″
mm.
in. 2″
mm.
in. 2 1/2″
mm.
in. 3″ 9.50 1.50 5.00 5.00 3.50 4.00 8 1.00 7/8 7.50 31
mm. 241.3 38.1 127.0 127.0 88.9 101.6 25.4 22.2 190.5 14
in. 4″ 11.50 1.75 6.19 6.25 4.50 4.50 8 1.25 1 1/8 9.25 53
mm. 292.1 44.5 157.2 158.8 114.3 114.3 31.8 28.6 235.0 24
in. 5″ 13.75 2.00 7.31 7.50 5.56 5.00 8 1.38 1 1/4 11.00 86
mm. 349.3 50.8 185.7 190.5 141.2 127.0 35.1 31.8 279.4 39
in. 6″ 15.00 2.19 8.50 9.25 6.63 5.50 12 1.25 1 1/8 12.50 110
mm. 381.0 55.6 215.9 235.0 168.4 139.7 31.8 28.6 317.5 50
in. 8″ 18.50 2.50 10.62 11.75 8.63 6.38 12 1.50 1 3/8 15.50 175
mm. 469.9 63.5 269.7 298.5 219.2 162.1 38.1 34.9 393.7 79
in. 10″ 21.50 2.75 12.75 14.50 10.75 7.25 16 1.50 1 3/8 18.50 260
mm. 546.1 69.9 323.9 368.3 273.1 184.2 38.1 34.9 469.9 118
in. 12″ 24.00 3.12 15.00 16.50 12.75 7.88 20 1.50 1 3/8 21.00 325
mm. 609.6 79.2 381.0 419.1 323.9 200.2 38.1 34.9 533.4 147
in. 14″ 25.25 3.38 16.25 17.75 14.00 8.38 20 1.62 1 1/2 22.00 400
mm. 641.4 85.9 412.8 450.9 355.6 212.9 41.1 38.1 558.8 181
in. 16″ 27.75 3.50 18.50 20.00 16.00 8.50 20 1.75 1 5/8 24.25 495
mm. 704.9 88.9 469.9 508.0 406.4 215.9 44.5 41.3 616.0 225
in. 18″ 31.00 4.00 21.00 22.25 18.00 9.00 20 2.00 1 7/8 27.00 680
mm. 787.4 101.6 533.4 565.2 457.2 228.6 50.8 47.6 685.8 308
in. 20″ 33.75 4.25 23.00 24.50 20.00 9.75 20 2.12 2 29.50 830
mm. 857.3 108.0 584.2 622.3 508.0 247.7 53.8 50.8 749.3 376
in. 24″ 41.00 5.50 27.25 29.50 24.00 11.50 20 2.62 2 1/2 35.50 1500
mm. 1041.4 139.7 692.2 749.3 609.6 292.1 66.5 63.5 901.7 680

Dimensions of Weld Neck ASME B16.5 – class 1500 Lbs

Nominal size Outside diam. of flange Thick. of flange Diam. of raised face Diam of hub at base Diam. of hub at point of welding Length thru hub No. of holes Diam. of holes Diam. of bolts Diam. of bolt circle Approx. weight pounds Kg
O C R X A Y
in. 1/2 4.75 0.88 1.38 1.50 0.84 2.38 4 0.88 3/4 3.25 5
mm. 120.7 22.4 35.1 38.1 21.3 60.5 22.4 19.1 82.6 2
in. 3/4 5.12 1.00 1.69 1.75 1.05 2.75 4 0.88 3/4 3.50 6
mm. 130.0 25.4 42.9 44.5 26.7 69.9 22.4 19.1 88.9 3
in. 1 5.88 1.12 2.00 2.06 1.32 2.88 4 1.00 7/8 4.00 9
mm. 149.4 28.4 50.8 52.3 33.5 73.2 25.4 22.2 101.6 4
in. 1 1/4 6.25 1.12 2.50 2.50 1.66 2.88 4 1.00 7/8 4.38 10
mm. 158.8 28.4 63.5 63.5 42.2 73.2 25.4 22.2 111.3 5
in. 1 1/2 7.00 1.25 2.88 2.75 1.90 3.25 4 1.12 1 4.88 13
mm. 177.8 31.8 73.2 69.9 48.3 82.6 28.4 25.4 124.0 6
in. 2 8.50 1.50 3.62 4.12 2.38 4.00 8 1.00 7/8 6.50 25
mm. 215.9 38.1 91.9 104.6 60.5 101.6 25.4 22.2 165.1 11
in. 2 1/2 9.62 1.62 4.12 4.88 2.88 4.12 8 1.12 1 7.50 36
mm. 244.3 41.1 104.6 124.0 73.2 104.6 28.4 25.4 190.5 16
in. 3 10.50 1.88 5.00 5.25 3.50 4.62 8 1.25 1 1/8 8.00 48
mm. 266.7 47.8 127.0 133.4 88.9 117.3 31.8 28.6 203.2 22
in. 4 12.25 2.12 6.19 6.38 4.50 4.88 8 1.38 1 1/4 9.50 73
mm. 311.2 53.8 157.2 162.1 114.3 124.0 35.1 31.8 241.3 33
in. 5 14.75 2.88 7.31 7.75 5.56 6.12 8 1.62 1 1/2 11.50 130
mm. 374.7 73.2 185.7 196.9 141.2 155.4 41.1 38.1 292.1 59
in. 6 15.50 3.25 8.50 9.00 6.63 6.75 12 1.50 1 3/8 12.50 165
mm. 393.7 82.6 215.9 228.6 168.4 171.5 38.1 34.9 317.5 75
in. 8 19.00 3.62 10.62 11.50 8.63 8.38 12 1.75 1 5/8 15.50 275
mm. 482.6 91.9 269.7 292.1 219.2 212.9 44.5 41.3 393.7 125
in. 10 23.00 4.25 12.75 14.50 10.75 10.00 12 2.00 1 7/8 19.00 455
mm. 584.2 108.0 323.9 368.3 273.1 254.0 50.8 47.6 482.6 206
in. 12 26.50 4.88 15.00 17.75 12.75 11.12 16 2.12 2 22.50 690
mm. 673.1 124.0 381.0 450.9 323.9 282.4 53.8 50.8 571.5 313
in. 14 29.50 5.25 16.25 19.50 14.00 11.75 16 2.38 2 1/4 25.00 940
mm. 749.3 133.4 412.8 495.3 355.6 298.5 60.5 57.2 635.0 426
in. 16 32.50 5.75 18.50 21.75 16.00 12.25 16 2.62 2 1/2 27.75 1250
mm. 825.5 146.1 469.9 552.5 406.4 311.2 66.5 63.5 704.9 567
in. 18 36.00 6.38 21.00 23.50 18.00 12.88 16 2.88 2 3/4 30.50 1625
mm. 914.4 162.1 533.4 596.9 457.2 327.2 73.2 69.9 774.7 737
in. 20 38.75 7.00 23.00 25.25 20.00 14.00 16 3.12 3 32.75 2050
mm. 984.3 177.8 584.2 641.4 508.0 355.6 79.2 76.2 831.9 930
in. 24 46.00 8.00 27.25 30.00 24.00 16.00 16 3.62 3 1/2 39.00 3325
mm. 1168.4 203.2 692.2 762.0 609.6 406.4 91.9 88.9 990.6 1508

Dimensions of Weld Neck ASME B16.5 – class 2500 Lbs

Nominal size Outside diam. of flange Thick. of flange Diam. of raised face Diam of hub at base Diam. of hub at point of welding Length thru hub No. of holes Diam. of holes Diam. of bolts Diam. of bolt circle Approx. weight pounds Kg
O C R X A Y
in. 1/2″ 5.25 1.19 1.38 1.69 0.84 2.88 4 0.88 3/4 3.50 7
mm. 133.4 30.2 35.1 42.9 21.3 73.2 22.4 19.1 88.9 3
in. 3/4″ 5.50 1.25 1.69 2.00 1.05 3.12 4 0.88 3/4 3.75 8
mm. 139.7 31.8 42.9 50.8 26.7 79.2 22.4 19.1 95.3 4
in. 1″ 6.25 1.38 2.00 2.25 1.32 3.50 4 1.00 7/8 4.25 12
mm. 158.8 35.1 50.8 57.2 33.5 88.9 25.4 22.2 108.0 5
in. 1 1/4″ 7.25 1.50 2.50 2.88 1.66 3.75 4 1.12 right 5.12 17
mm. 184.2 38.1 63.5 73.2 42.2 95.3 28.4 25.4 130.0 8
in. 1 1/2″ 8.00 1.75 2.88 3.12 1.90 4.38 4 1.25 1 1/8 5.75 25
mm. 203.2 44.5 73.2 79.2 48.3 111.3 31.8 28.6 146.1 11
in. 2″ 9.25 2.00 3.62 3.75 2.38 5.00 8 1.12 right 6.75 42
mm. 235.0 50.8 91.9 95.3 60.5 127.0 28.4 25.4 171.5 19
in. 2 1/2″ 10.50 2.25 4.12 4.50 2.88 5.62 8 1.25 1 1/8 7.75 52
mm. 266.7 57.2 104.6 114.3 73.2 142.7 31.8 28.6 196.9 24
in. 3″ 12.00 2.62 5.00 5.25 3.50 6.62 8 1.38 1 1/4 9.00 94
mm. 304.8 66.5 127.0 133.4 88.9 168.1 35.1 31.8 228.6 43
in. 4″ 14.00 3.00 6.19 6.50 4.50 7.50 8 1.62 1 1/2 10.75 145
mm. 355.6 76.2 157.2 165.1 114.3 190.5 41.1 38.1 273.1 66
in. 5″ 16.50 3.62 7.31 8.00 5.56 9.00 8 1.88 1 3/4 12.75 245
mm. 419.1 91.9 185.7 203.2 141.2 228.6 47.8 44.5 323.9 111
in. 6″ 19.00 4.25 8.50 9.25 6.63 10.75 8 2.12 right 14.50 380
mm. 482.6 108.0 215.9 235.0 168.4 273.1 53.8 50.8 368.3 172
in. 8″ 21.75 5.00 10.62 12.00 8.63 12.50 12 2.12 right 17.25 580
mm. 552.5 127.0 269.7 304.8 219.2 317.5 53.8 50.8 438.2 263
in. 10″ 26.50 6.50 12.75 14.75 10.75 16.50 12 2.62 2 1/2 21.25 1075
mm. 673.1 165.1 323.9 374.7 273.1 419.1 66.5 63.5 539.8 488
in. 12″ 30.00 7.25 15.00 17.38 12.75 18.25 12 2.88 2 3/4 24.38 1525
mm. 762.0 184.2 381.0 441.5 323.9 463.6 73.2 69.9 619.3 692

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ANSI/ASME steel flanges

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EN/PED Steel Flanges

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BS Steel Flanges

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JIS Steel Flanges

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Flange Standard

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Price list of Weld Neck Flanges

  • Stainless steel ANSI B16.5 class 150 weld neck flange
    US $8.2-9.0 / Pieces
  • stainless steel 304L welding neck flange
    US $3-8 / Kilogram
  • asme b16.5 carbon steel a105n forged black weld neck flanges
    US $0.1-1 / Piece
  • ANSI B16.5 stainless steel raised face long weld neck flange
    US $5-200 / Piece
  • Customized metal weld neck flange
    US $1-100 / Piece
  • ANSI B16.5 150LBS carbon steel pipe Weld Neck flanges
  • US $0.99-3.98 / Piece
  • JIS 20K Titanium Welding Neck Flange
    US $1-100 / Piece
  • DN100 ANSI B16.5 304 Stainless steel weld neck flange
    US $5-8 / Piece
  • 6000PSI Forged Welding Neck Flange
    US $7.8-48.5 / Piece
  • Titanium and Titanium alloy weld neck flange
    US $39.2-40.6 / Piece
  • pn16 welding neck flange
    US $0.1-10 / Set
  • din 2635 welding neck flange
  • US $5-50 / Piece
  • ASTM a105n Stainless Steel Pipe Weld Neck Flange
    US $0.1-10 / Piece
  • socket weld flange,weld neck reducing flange,a182 f316 stainless steel weld neck flange
    US $800-8000 / Ton
  • High Quality Stainless Steel Weld Neck Flange
    US $5-3000 / Set
  • US $0.15-10 / Piece
  • ASME B16.5 Class 150 Forged Carbon Steel Welding Neck Flange
    US $1-10 / Piece
  • Socket Welding Neck Flange
    US $0.5-500 / Piece
  • A182 f316 stainless steel weld neck flange
    US $15-900 / Piece
  • SS Forged Weld Neck Flange
  • ASTM A182 F316L lb900 carbon steel flange long weld neck flange
    US $1.5-200 / Piece

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