WNRF/RFWN Flange dimensions–ANSI ASME Flange

Welding Neck flange with raised face (wnrf flange), wnrf flange dimension from 1/2 inch to 96 inch, pressure rating from 75lb/sq.in to 2500lb/sq.in, we usually offer ANSI/ASME/DIN etc. Standard Flange with wnrf flange dimensions.

WNRF Flange dimensions of ANSI/ASME B16.5 150lb

WNRF Flange Dimensions/ANSI B16.5 150LB


Pipe Normal Diam. O.D. Flange Thk. Of Flange Min Diam.
of
Hub
Diameter of Raised Face Hub
Diam.
Chamfer
of W.N
Length Hub.Y Bore Diam.
of Bolt
Circle
Diam.
of Bolt
Holes
Number
of Bolts
Diam. of
Bolts
(inch)
KG LB
inch dn O C X G A Y B BC BH BN BD    
1/2" 15 89.00 11.20 30.20 35.10 21.30 47.80 15.80 60.50 15.80 4 1/2" 0.7 1.5
3/4" 20 98.50 12.70 38.10 42.90 26.70 52.30 20.80 69.90 15.80 4 1/2" 0.8 1.8
1" 25 108.00 14.20 49.30 50.80 33.50 55.60 26.70 79.30 15.80 4 1/2" 1.1 2.4
1-1/4" 32 117.50 15.70 58.70 63.50 42.20 57.20 35.10 88.90 15.80 4 1/2" 1.5 3.3
1-1/2" 40 127.00 17.50 65.00 73.20 48.30 62.00 40.90 98.60 15.80 4 1/2" 1.8 4
2" 50 152.50 19.10 77.70 91.90 60.50 63.50 52.60 120.70 19.10 4 5/8" 2.7 6
2-1/2" 65 178.00 22.40 90.40 104.60 73.20 69.90 62.70 139.70 19.10 4 5/8" 4.4 9.8
3" 80 190.50 23.90 108.00 127.00 88.90 69.90 78.00 152.40 19.10 4 5/8" 5.2 11.5
3-1/2" 90 216.00 23.90 122.20 139.70 101.60 71.40 90.20 177.80 19.10 8 5/8" 6.4 14.2
4" 100 228.50 23.90 134.90 157.20 114.30 76.20 102.40 190.50 19.10 8 5/8" 7.5 16.6
5" 125 254.00 23.90 163.60 185.70 141.20 88.90 128.30 215.90 22.40 8 3/4" 9.2 20.2
6" 150 279.50 25.40 192.00 215.90 168.40 88.90 154.20 241.30 22.40 8 3/4" 11 24.3
8" 200 343.00 28.40 246.10 269.70 219.20 101.60 202.70 298.50 22.40 8 3/4" 18.4 40.6
10" 250 406.50 30.20 304.80 323.90 273.10 101.60 254.50 362.00 25.40 12 7/8" 25.5 56.2
12" 300 482.50 31.80 365.30 381.00 323.90 114.30 304.80 431.80 25.40 12 7/8" 37 81.4
14" 350 533.50 35.10 400.10 412.80 355.60 127.00   476.30 28.50 12 1" 51 113
16" 400 597.00 36.60 457.20 469.90 406.40 127.00   539.80 28.50 16 1" 61.5 136
18" 450 635.00 39.60 505.00 533.40 457.20 139.70   577.90 31.80 16 1 1/8" 71.5 158
20" 500 698.50 42.90 558.80 584.20 508.00 144.50   635.00 31.80 20 1 1/8" 85 187
24" 600 813.00 47.80 663.40 692.20 609.60 152.40   749.30 35.10 20 1 1/4" 119 262

WNRF Flange dimensions of ANSI/ASME B16.5 300lb

WNRF Flange Dimensions/ANSI B16.5 300LB

Pipe Normal Diam. O.D. Flange  Thk. Of Flange Min  Diam.
of
Hub 
Diameter of Raised Face  Hub
Diam.
Chamfer
of W.N 
Length Hub.Y Bore  Diam.
of Bolt
Circle
Diam.
of Bolt
Holes
Number
of Bolts
Diam. of
Bolts
(inch)
Approx. Weight
inch dn O C X G A Y B BC BH BN BD KG/PCS LB/PCS
1/2" 15 95.5 14.2 38.1 35.1 21.3 52.3 15.7 66.5 15.7 4 1/2" 0.8 1.8
3/4" 20 117. 5 15.7 47.8 42.9 26.7 57.2 20.8 82.6 19.1 4 5/8" 1.4 3.1
1" 25 124. 0 17.5 53.8 50.8 33.5 62 26.7 88.9 19.1 4 5/8" 1.7 3.7
1-1/4" 32 133. 5 19.1 63.5 63.5 42.2 65 35.1 98.6 19.1 4 5/8" 2.2 4.8
1-1/2" 40 155. 5 20.6 69.9 73.2 48.3 68.3 40.9 114.3 22.4 4 5/8" 3.2 7
2" 50 165. 0 22.4 84.1 91.9 60.5 69.9 52.6 127 19.1 8 5/8" 3.6 7.9
2-1/2" 65 190. 5 25.4 100.1 104.6 73.2 76.2 62.7 149.4 22.4 8 3/4" 5.4 12
3" 80 209. 5 28.4 117.3 127 88.9 79.2 78 168.1 22.4 8 3/4" 7.3 16.1
3-1/2" 90 228. 5 30.2 133.4 139.7 101.6 81 90.2 184.2 22.4 8 3/4" 8.9 19.6
4" 100 254. 0 31.8 146.1 157.2 114.3 85.9 102.4 200.2 22.4 8 3/4" 11.8 26
5" 125 279. 5 35.1 177.8 185.7 141.2 98.6 128.3 235 22.4 8 3/4" 16 35.2
6" 150 317. 5 36.6 206.2 215.9 168.4 98.6 154.2 269.7 22.4 12 3/4" 20.2 44.6
8" 200 381. 0 41.1 260.4 269.7 219.2 111. 3 202.7 330.2 25.4 12 7/8" 31.2 68.8
10" 250 444. 5 47.8 320.5 323.9 273.1 117. 3 254.5 387.4 28.4 16 1" 44.3 97.5
12" 300 520. 5 50.8 374.7 381 323.9 130. 0 304.8 450.9 31.8 16 1 1/8" 63.5 140
14" 350 584. 0 53.8 425.5 412.8 355.6 142. 7   514..4 31.8 20 1 1/8" 86 190
16" 400 647. 5 57.2 482.6 469.9 406.4 146. 1   571.5 35.1 20 1 1/4" 112 247
18" 450 711. 0 60.5 533.4 533.4 457.2 158. 8   628.7 35.1 24 1 1/4" 141 310
20" 500 774. 5 63.5 587.2 584.2 508 162. 1   685.8 35.1 24 1 1/4" 173 382
24" 600 914. 5 69.9 701.5 692.2 609.6 168. 1   812.8 41.1 24 1 1/2" 248 546

WNRF Flange dimensions of ANSI/ASME B16.5 600lb

WNRF Flange Dimensions/ANSI B16.5 600LB

Pipe Normal Diam. O.D. Flange  Thk. Of Flange Min  Diam.
of
Hub 
Diameter of Raised Face  Hub
Diam.
Chamfer
of W.N 
Length Hub Diam.
of Bolt
Circle
Diam.
of Bolt
Holes
Number
of Bolts
Diam. of
Bolts
(inch)
Approx. Weight
inch dn O C X G A Y BC BH BN BD KG/PCS LB/PCS
1/2" 15 95.5 14.2 38.1 35.1 22.4 52.3 66.5 15.7 4 1/2" 0.9 2
3/4" 20 117. 5 15.7 47.8 42.9 25.4 57.2 82.6 19.1 4 5/8" 1.6 3.5
1" 25 124. 0 17.5 53.8 50.8 26.9 62 88.9 19.1 4 5/8" 1.9 4.2
1-1/4" 32 133. 5 20.6 63.5 63.5 28.4 66.5 98.6 19.1 4 5/8" 2.6 5.8
1-1/2" 40 155. 5 22.4 69.9 73.2 31.8 69.9 114.3 22.4 4 3/4" 3.6 8
2" 50 165. 0 25.4 84.1 91.9 36.6 73.2 127 19.1 8 5/8" 4.7 10.4
2-1/2" 65 190. 5 28.4 100.1 104.6 41.1 79.2 149.4 22.4 8 3/4" 4.8 15
3" 80 209. 5 31.8 117.3 127 46 82.6 168.1 22.4 8 3/4" 8.7 19.3
3-1/2" 90 228. 5 35.1 133.4 139.7 49.3 85.9 184.2 25.4 8 7/8" 11.6 25.5
4" 100 273. 0 38.1 152.4 157.2 53.8 101. 6 215.9 25.4 8 7/8" 18.4 40.5
5" 125 330. 0 44.5 189 185.7 60.5 114. 3 266.7 28.4 8 1" 31 68
6" 150 355. 5 47.8 222.3 215.9 66.5 117. 3 292.1 28.4 12 1" 37 81.4
8" 200 419. 0 55.6 273.1 269.7 76.2 133. 4 349.3 31.8 12 1 1/8" 54.5 120
10" 250 508. 0 63.5 342.9 323.9 85.9 152. 4 431.8 35.1 16 1 1/4" 98.5 195
12" 300 559. 0 66.5 400.1 381 91.9 155. 4 489 35.1 20 1 1/4" 105 231
14" 350 603. 5 69.9 431.8 412.8 93.7 165. 1 527.1 38.1 20 1 3/8" 150 330
16" 400 686. 0 76.2 495.3 469.9 106.4 177. 8 603.3 41.1 20 1 1/2" 177 390
18" 450 743. 0 82.6 546.1 533.4 117.3 184. 2 654.1 44.5 20 1 5/8" 228 503
20" 500 813. 0 88.9 609.6 584.2 127 190. 5 723.9 44.5 24 1 5/8" 285 628
24" 600 940. 0 101.6 717.6 692.2 139.7 203. 2 838.2 50.8 24 1 7/8" 372 820
wnrf flange include other pressure rating, like class 900, class 1500, class 2500, ansi b16.47 ser.A, ser.B etc.

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