Flange - Weld Neck, ANSI Class 75, Industry Standard (in)

Written by Matt Milbury. Posted in Weld Neck Flange Datasheets

Flange - Weld Neck, ANSI Class 75, Industry Standard, 1/16" Raised Face (in) Datasheet

  • Industry Standard Flanges have no national standard code or are they covered by any governing body.
  • Bolt circle diameters are 1/8 inch larger than bolt diameter.

data wnf b16.5 150 300data wnf b16.47

Pipe Size

(NPS)

Outside Diameter of Flange

A

Diameter of Raised Face

B

Thickness of Flange

C

Diameter of Bore

D

Diameter of Hub at Weld

H

Diameter of Hub at Base

J

Length of Hub

K

Number of Bolt Holes

 

Diameter of Bolt Holes

 

Bolt Circle Diameter

P

Approx. Weight

(lb)

26 31 1/2 28 5/8 1 1/4 * 26 27 1/8 3 32 1 29 5/8 98
28 33 1/2 30 5/8 1 1/4 * 28 29 1/8 3 36 1 31 5/8 105
30 35 1/2 32 5/8 1 1/4 * 30 31 1/8 3 36 1 33 5/8 110
32 38 1/4 35 1 1/4 * 32 33 3/8 3 1/4 36 1 1/8 36 1/8 140
34 40 1/4 37 1 1/4 * 34 35 3/8 3 1/4 40 1 1/8 38 1/8 150
36 42 1/4 39 1 1/4 * 36 37 3/8 3 1/4 40 1 1/8 40 1/8 160
42 49 45 1/2 1 1/4 * 42 43 3/4 3 1/2 48 1 1/4 46 3/4 210
48 55.00 51 1/2 1 1/4 * 48 49 3/4 3 3/4 52 1 1/4 52 3/4 240
54 61 1/4 57 3/4 1 1/4 * 54 56 4 64 1 1/4 59 310
60 67 1/4 63 3/4 1 1/4 * 60 62 4 3/8 72 1 1/4 65 400
66 74 70 1/8 1 3/8 * 66 68 4 7/8 72 1 3/8 71 1/2 560
72 80 76 1/8 1 5/8 * 72 74 5 1/4 80 1 3/8 77 1/2 700
  • * To be specified by purchaser.