Technical Specifications

Pressure: 0–70 MPa (higher values possible, depending on material and standard)

Temperature: -200～800 ℃

Chemical suitability: pH 0–14

Application media: high-temperature and high-pressure steam, hydrogen, natural gas, synthesis gas, liquefied petroleum gas (LPG), oil products, and highly corrosive chemical media.

Application Areas: Primarily used for R-type flange connections in petroleum refining, coal chemical industry, fertilizer production, nuclear power, and high-pressure hydrogenation units. Typical equipment includes high-pressure reactors, hydrocracking units, polyethylene/polypropylene reactors, main process pipelines, and other critical static sealing points operating under ultra-high pressure.。