Flange cover
Flange cover

GaoyouFlange cover

The company is equipped with over 80 sets of forging and processing equipment, including a 4,000‑ton forging hydraulic press, a 4,000‑mm ring‑rolling mill, and heat‑treatment facilities. It also boasts 18 units of inspection and testing equipment, such as full‑quantitative and portable spectrometers, room‑temperature and high‑temperature tensile testers, ultra‑low‑temperature impact testers, and digital ultrasonic flaw detectors. The facility has an annual production capacity of 30,000 tonnes of forgings made from carbon steels, alloy steels, stainless steels, and nickel‑based alloys, with the largest forgings featuring a maximum billet outer diameter of 4,000 mm.

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GaoyouStandard flange

Phone: 400-888-8888

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Product Description

A flange cover is a mechanical sealing component typically used at the interface between two pipes or vessels. It consists of two parallel flat surfaces with a soft filler material—such as rubber or polytetrafluoroethylene—sandwiched between them. When the two flange covers are bolted together, the filler material is compressed under pressure, creating a seal that prevents fluid leakage. Flange covers offer excellent sealing performance, ease of installation and removal, and high reliability, making them widely employed in industries such as petroleum, chemical processing, food, and pharmaceuticals. Depending on operating conditions and media characteristics, flange covers come in various materials and specifications. Common standards include ANSI, DIN, and JIS. With industrial advancement, the applications of flange covers continue to expand, while new technologies and materials are increasingly incorporated into their design and manufacturing to enhance performance and accommodate more complex service environments.

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