Flange - Blind, ANSI Class 350, Industry Standard (in)

Written by Matt Milbury on . Posted in Blind Flange Datasheets

Flange - Blind, ANSI Class 350, Industry Standard, 1/16" Raised Face 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 bf b16.5 150 300data bf b16.47

Pipe Size

(NPS)

Outside Diameter of Flange

A

Diameter of Raised Face

B

Thickness of Flange

C

Number of Bolt Holes

 

Diameter of Bolt Holes

 

Bolt Circle Diameter

P

Approx Weight

(lb)

26 32 3/4 29 1/2 2 3/4 28 1 1/8 30 5/8 580
28 34 3/4 31 1/2 2 7/8 28 1 1/8 32 5/8 750
30 37 33 3/4 3 32 1 1/8 34 7/8 890
32 39 35 3/4 3 1/4 36 1 1/8 36 7/8 1050
34 41 37 3/4 3 3/8 40 1 1/8 38 7/8 1225
36 43 3/4 40 1/4 3 5/8 40 1 1/4 41 1/2 1500
38 45 3/4 42 1/4 3 3/4 40 1 1/4 43 1/2 1700
40 47 3/4 44 1/4 4 44 1 1/4 45 1/2 1925
42 50 46 1/2 4 1/8 48 1 1/4 47 3/4 2225
44 52 3/4 48 7/8 4 3/8 44 1 3/8 50 1/4 2625
46 54 3/4 50 7/8 4 3/4 48 1 3/8 52 1/4 2950
48 56 3/4 52 7/8 4 3/4 48 1 3/8 54 1/4 3300