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Class 600 Threaded Flanges are applied to quick assembly and disassembly connections of small medium-to-high pressure pipelines for oil, gas and hydraulic media in areas where hot work is forbidden.
Class 900 Threaded Flanges are suitable for small-bore high-pressure hydraulic, oil and gas pipelines where hot work is strictly prohibited, facilitating quick disassembly, assembly and maintenance.
Class 1500 Threaded Flanges are used for quick disassembly and assembly connections of small-bore high-pressure process pipelines for oil, gas and hydraulic fluids in areas where hot work is strictly prohibited.
Class 150 Long Weld Neck Flanges are widely used for extended reinforced sealing connections of shell nozzles on low-pressure high-temperature equipment such as heat exchangers and reaction vessels.
Class 300 Long Weld Neck Flanges are suitable for nozzles of medium-temperature and medium-pressure heat exchangers and pressure vessels, which can reduce thermal stress and improve the sealing stability of equipment.
Class 600 Long Weld Neck Flanges are applied to medium-high pressure and high-temperature pressure vessels and heat exchange equipment to relieve thermal deformation stress and ensure long-term sealing performance.
Class 900 Long Weld Neck Flanges are applied to high-temperature and high-pressure reactors and high-pressure heat exchange equipment, which can effectively buffer thermal stress and ensure reliable sealing under high-pressure working conditions.
Class 1500 Long Weld Neck Flanges are suitable for reinforced sealing connections with long necks on high-temperature and high-pressure equipment such as hydrogenation units and high-pressure reactors.
Class 2500 Long Weld Neck Flanges are used for ultra-high pressure hydrogenation reactors and supercritical thermal equipment to buffer thermal stress generated under high temperature and high pressure and maintain stable sealing performance.
Class 150 blind flanges are used for blanking low-pressure pipeline ends and reserved equipment connections, facilitating pipeline expansion and maintenance in the later stage.
Class 300 blind flanges are used for sealing and blanking the ends of medium-pressure pipelines and spare equipment connections, facilitating later modification and maintenance.
Class 600 blind flanges are used for sealing and blanking spare connections of medium-high pressure process pipelines and pressure vessels to meet the isolation requirements of high-pressure media.