ASME/ANSI B16.5 Class 300 BL

Nominal Pipe Size  Outside Diameter of Flange Diameter of Raised Face Thickness of Flanges Min. Diameter of Bolt Circle Diameter of Bolt Holes Number of Bolts Approximate Weight kgs
NPS O R tf W I n  
1/2 95 34.9 12.7 66.7 15.9 4 0.64
3/4 115 42.9 14.3 82.6 19.1 4 1.06
1 125 50.8 15.9 88.9 19.1 4 1.42
1 1/4 135 63.5 17.5 98.4 19.1 4 1.86
1 1/2 155 73.0 19.1 114.3 22.2 4 2.66
2 165 92.1 20.7 127.0 19.1 8 3.21
2 1/2 190 104.8 23.9 149.2 22.2 8 4.88
3 210 127.0 27.0 168.3 22.2 8 6.89
3 1/2 230 139.7 28.6 184.2 22.2 8 8.88
4 255 157.2 30.2 200.0 22.2 8 11.68
5 280 185.7 33.4 235.0 22.2 8 15.77
6 320 215.9 35.0 269.9 22.2 12 21.41
8 380 269.9 39.7 330.2 25.4 12 34.37
10 445 323.8 46.1 387.4 28.6 16 53.90
12 520 381.0 49.3 450.8 31.8 16 79.14
14 585 412.8 52.4 514.4 31.8 20 106.23
16 650 469.9 55.6 571.5 34.9 20 139.30
18 710 533.4 58.8 628.6 34.9 24 175.78
20 775 584.2 62.0 685.8 34.9 24 222.78
24 915 692.2 68.3 812.8 41.3 24 341.50


Standards, Dimensions & Weight of Blind flanges

What is the use of a blind flange

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