Flanges catalog

Blind Flange

This flange is used to blank off pipelines, valves and pumps, it can also be used as an inspection cover. It is sometimes referred to as a blanking flange.


Standards: ASME B16.47, ANSI B16.5, DIN, UNI, BS, JIS, GB.

Pressure classes range: from 150lbs to 2,500lbs.

Sizes range: 1/2" - 24" .

Materials: F316, F304, F316L, F304L, A105, F5, F11, F22, 15CrMo, 12CrMoV, Q235, 16Mn, 20#.

Printing: Carbon steel and alloy steel with yellow print, black print, oil or zinc.

Packing: Plywooden case.

* We can also manufacture special application flanges and forgings that customers require.

Blind Flange Dimensions
ANSI B16.5

Class 150 lbs
Class 300 lbs
Class 400 lbs
Class 600 lbs
Class 900 lbs
Class 1500 lbs
Class 2500 lbs