Flange - Orifice, Weld Neck, ANSI Class 400, B16.36 (in)

Written by Matt Milbury on . Posted in Orifice Flange Datasheets

Flange - Orifice, Weld Neck, ANSI Class 400, ASME B16.36, Raised Face (in) Datasheet

  • Dimensions to ASME B16.36 - Orifice Flanges
  • Bolt circle diameters are 1/8 inch larger than bolt diameter.
  • All dimensions except "Thickness of Flange C sizes 1" are the same as a Weld Neck.
  • Approximate weight is based on a orifice flange union which is a set of flanges, plate not included.

data wnf orifice b16.36 400 2500 1data wnf orifice b16.36 400 2500 2data wnf orifice b16.36

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

Per

Union

(lb)

1/2 - - - - - - - - - - -
3/4 - - - - - - - - - - -
1 4 7/8 2 1 1/2 * 1.315 2 1/8 2 7/16 4 3/4 3 1/2 18
1 1/4 5 1/4 2 1/2 1 1/2 * 1.660 2 1/2 2 5/8 4 3/4 3 7/8 20
1 1/2 6 1/8 2 7/8 1 1/2 * 1.900 2 3/4 2 3/4 4 7/8 4 1/2 25
2 6 1/2 3 5/8 1 1/2 * 2.375 3 5/16 2 7/8 8 3/4 5 27
2 1/2 7 1/2 4 1/8 1 1/2 * 2.875 3 15/16 3 1/8 8 7/8 5 7/8 35
3 8 1/4 5 1 1/2 * 3.500 4 5/8 3 1/4 8 7/8 6 5/8 43
3 1/2 - - - - - - - - - - -
4 10 6 3/16 1 3/8 * 4.500 5 3/4 3 1/2 8 1 7 7/8 82
5 11 7 5/16 1 1/2 * 5.563 7 4 8 1 9 1/4 101
6 12 1/2 8 1/2 1 5/8 * 6.625 8 1/8 4 1/16 12 1 10 5/8 136
8 15 10 5/8 1 7/8 * 8.625 10 1/4 4 5/8 12 1 1/8 13 213
10 17 1/2 12 3/4 2 1/8 * 10.750 12 5/8 4 7/8 16 1 1/4 15 1/4 309
12 20 1/2 15 2 1/4 * 12.750 14 3/4 5 3/8 16 1 3/8 17 3/4 429
14 23 16 1/4 2 3/8 * 14.00 16 3/4 5 7/8 20 1 3/8 20 1/4 554
16 25 1/2 18 1/2 2 1/2 * 16.00 19 6 20 1 1/2 22 1/2 705
18 28 21 2 5/8 * 18.00 21 6 1/2 24 1 1/2 24 3/4 863
20 30 1/2 23 2 3/4 * 20.00 23 1/8 6 5/8 24 1 5/8 27 1066
22 33 25 1/4 2 7/8 * 22.00 25 1/4 6 3/4 24 1 3/4 29 1/4 1120
24 36 27 1/4 3 * 24.00 27 5/8 6 7/8 24 1 7/8 32 1555
  • * To be specified by purchaser.