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Class 150 Slip On Weld Flanges are mostly used for connecting and installing conventional media pipelines in water supply & drainage, HVAC, low-pressure chemical and gas service.
Class 300 Slip-On Weld Flanges are suitable for equipment and pipeline connections of medium-pressure steam, oil products, chemical processes, as well as small and medium-sized oil & gas transmission pipelines.
Class 600 slip-on welding flanges are used for connection of pipelines and equipment in medium and high-pressure process pipelines such as petrochemical industry, medium-high pressure steam and oil & gas transmission.
Class 900 Slip-On Weld Flanges are suitable for fluid pipeline connections of high-pressure steam in power plants, oil & gas gathering and transportation, high-pressure chemical plants and other medium-to-high pressure applications.
Class 1500 Slip-On Weld Flanges are widely applied to equipment connections for hydrogenation units, high-pressure oil and gas transportation, and high-temperature high-pressure chemical process pipelines.
Class 150 Socket Weld Flanges are suitable for sealing connections of small-bore pipelines for low-pressure plumbing, compressed air and miniature chemical service.
Class 300 Socket Weld Flanges are used for equipment connection of small-bore pipelines carrying medium-pressure oil products, steam and chemical media.
Class 600 Socket Weld Flanges are suitable for equipment connections of small-bore pipelines transporting medium and high-pressure oil, gas, steam and chemical media.
Class 900 Socket Weld Flanges are mostly used for connections of small-bore pipelines carrying high-pressure steam, high-pressure oil & gas and high-pressure small pipelines in fine chemical industry.
Class 1500 Socket Weld Flanges are suitable for connections of small-bore high-pressure process pipelines under severe working conditions such as hydrogenation and high-pressure oil & gas service.
Class 150 Threaded Flanges are widely used for quick dismountable connections of small-bore low-pressure pipelines for water, gas and compressed air where welding is not required.
Class 300 Threaded Flanges are suitable for quick assembly connections of small-bore medium-pressure gas and oil pipelines where hot work welding is prohibited.