Carbon Steel Blind Flange

Product Details

Carbon Steel Blind Flanges are pipe flanges used to seal the end of a piping system or pressure vessel openings to prevent flow. Blind pipe flanges are commonly used for pressure testing the flow of liquid or gas through a pipe or vessel. Blind pipe flanges also allow easy access to the pipe in the event that work must be done inside the line. Blind pipe flanges are often used for high pressure applications. Slip on Pipe flanges with a hub have published specifications that range from 1/2" thru 80".Sinhoo provides Slip-On flanges in all material grades, specifications and sizes. 

The blind flange is a solid plate that is used to block pipe equipment at the two flange joints, or a common steel plate. The purpose is to test, leak, and block the pipeline equipment.Npt-Blind-Flange-BL.jpg 


Blind flange


ASME B16.47, ANSI B16.5, JIS, DIN, GOST, BS etc...


Carbon steel, stainless steel, etc.



Surface treatment

Anti-rust oil, Transparent oil ,Zinc Galvanized or as customer's requirement