
Blind flange
Blind Flange - Cangzhou Huishang professional manufacturer. Carbon steel blind flanges for sealing pipe ends, ISO 9001 certified....
Product Overview
Cangzhou Huishang Pipe Fittings Manufacturing Co., Ltd. offers high-quality Blind Flange in carbon steel, used to seal the ends of piping systems. The blind flange is a solid disc with bolt holes, providing a secure and removable closure that allows easy access for inspection, maintenance and future system expansion.
Technical Specifications
Our carbon steel blind flanges are manufactured in accordance with ASME B16.5, available in pressure classes 150 to 600 lb with nominal sizes from DN15 to DN600. Sealing faces include raised face and flat face. The flanges are forged and machined to ensure dimensional accuracy and reliable sealing performance.
Manufacturing & Quality
Each blind flange undergoes strict quality control from raw material inspection to forging, heat treatment and final machining. Chemical composition analysis, mechanical property tests and dimensional inspection are performed to ensure full compliance with international standards.
Applications
Carbon steel blind flanges are widely used in oil and gas, chemical, power generation, water treatment and many other industrial piping systems where pipe ends must be closed off temporarily or permanently.

