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Weld neck Flange

We offer weld neck flanges with the same dimensions of the matching pipe. Normally these are used for high pressure, cold or hot temperature.

Weld neck
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Specification
Nominal Pipe Size Flange DIA Dia of bolt circle Dia of bolt holes No of holes Thkof Flange Dia of Hub Length through Hub S/O&S/W W/N Dia of Bore L/J Dia of R/F Depth of socket
S/O&S/W L/J

O A D
C E
Y Y Y B B R F
15 88.9 60.3 15.9 4 11.1 30.2 15.09 47.6 15.9 22.3 22.9 34.9 9.5
20 98.4 69.8 15.9 4 12.7 38.1 15.9 52.4 15.9 27.7 28.2 42.9 11.1
25 107.9 79.4 15.9 4 14.3 49.2 17.5 55.6 17.5 34.5 35 50.8 12.7
32 117.5 88.9 15.9 4 15.9 58.7 20.6 57.1 20.6 43.2 43.7 63.5 14.3
40 127 98.4 15.9 4 17.5 65.1 22.2 61.9 22.2 49.5 50 73 15.9

Grade : F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L, Duplex stainless steel UNS S31803, 2205, Super Duplex stainless steel UNS S32750





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