Blind Flange

Product Overview

Cangzhou Huishang Pipe Fittings Manufacturing Co., Ltd. offers high-quality large diameter Blind Flange in carbon steel, used to seal the ends of large bore 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 large diameter blind flanges are manufactured in accordance with international standards, available in pressure classes 150 to 600 lb with nominal sizes above DN600 and up to DN3000. Sealing faces include raised face and flat face, 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

Large diameter blind flanges are widely used in oil and gas pipelines, storage tanks, water treatment plants and other industrial systems where large pipe ends must be closed off temporarily or permanently.