BS 3293 Class 600 WN

Nominal
pipe size
Outside
diameter of
flange, O
Outside
diameter,
R
Thickness of
flange min., C
  Outside
diameter of
large end of hub, X
Outside diameter
of small end of
hub: Welding neck, A
Length through hub, Y Fillet radius Flange bore, B Diameter of
bolt circle, D
Diameter of
bolt holes
Number of
bolt holes
26 1016.00 749.30 107.95 6.35 747.71 671.51 222.25 14.29 To be
specified by
the
purchaser
914.40 50.80 28
28 1073.15 800.10 111.13 6.35 803.28 723.90 234.95 15.88 965.20 53.98 28
30 1130.30 857.25 114.30 6.35 862.01 774.70 247.65 17.46 1022.35 53.98 28
32 1193.80 914.40 117.48 6.35 917.58 825.50 260.35 17.46 1079.50 60.33 28
34 1244.60 965.20 120.65 6.35 973.14 877.89 269.88 19.05 1130.30 60.33 28
36 1314.45 1022.35 123.83 6.35 1031.88 928.69 282.58 19.05 1193.80 66.68 28


Standards, Dimensions & Weight of WN flange

The welding neck flange is the best designed butt-welded flange of those currently available becuase of its inherent structural value.

Most common flange types

Regardless of custom sizing or specifications, the fundamental design of most flanges falls under six common styles created to close, connect, cover, or support pipes and pipe systems.



SUNNY STEEL

Our team are highly trained and experienced in servicing and producing all types of steel supplies. Whether you've got a large construction project, or need parts for industrial machinery, our team of steel fabrication consultants will ensure that your project is provided with the parts you need, when you need them.

Link exchange

Copyright © 2011 Sunny Steel Enterprise Ltd.  All Rights Reserved ICP No.:08010763