A blind flange looks like a plate with bolts holes around. There is no inner hole on the blind flange comparing to other type flanges, so the blind flange is used to close the end of a vessel or piping system. Blind flange also be used for pressure testing for prevent the liquid or air flow.

Blind-Flange-Application-In-Pipeline-Project

Blind-Flange-Application-In-Pipeline-Project

Sealing Face of Blind Flange:

The blind flange could be supplied with flat face (FF), raised face(RF) or ring joint face(RTJ). The RTJ type face blind flange is used for high pressure application, the matched flange also should be RTJ face.

ASTM A105 Raised Face Blind Flange Product Show:

ASTM A105 Raised Face Blind Flange

ASTM A105 Raised Face Blind Flange

ASTM A105 Raised Face Blind Flange

Hebei Haihao Group is professional in piping solutions,our piping products are widely used in Industry field,like Oil,Gas & Petrochemical,Energy & Power plant,Chemical industrial,Shipbuilding & Offshore Development.We can supply the products according to standard ANSI,ASME,BS,DIN,EN,JIS etc.We also can manufacture the products as per client’s requirements.