Product Description: 

Blind Flanges:
Blind flanges are flanges without a bore. It is used to close off the ends of a piping system and/or a pressure vessel opening. It also permits easy access to the interior of a line or vessel once it has been sealed and must be reopened. Features Specifications: blind flange

We can also make custom flanges and fittings according to your company's specifications and drawings.
Blind flanges are commonly used in petrochemical,  pipe engineering, public service & waterworks, etc.