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Jacket Check ValveMasters in petrochemical, heating and other industries all know that when transporting media like hot water and steam, the biggest worries are valve condensation, freezing and cracking, and medium...read more
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Pressure-Seal Bonnet Check Valve① Main material: carbon steel, stainless steel, alloy steelread more
② Nominal diameter: NPS 2 "to NPS 24"
③ Pressure range: CL900~CL2500
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GB Lift Check Valve① Main material: carbon steel, stainless steel, alloy steelread more
② Nominal diameter: DN15 to DN400
③ Pressure range: 1.0MPa~10.0MPa
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Vertical Check Valve① Main material: carbon steel, stainless steel, alloy steelread more
② Nominal diameter: DN15 to DN400
③ Pressure range: 1.0MPa~16.0MPa
④ Operating... -
Wafer Dual Pate Swing Check Valve① Main material: carbon steel, stainless steel, alloy steelread more
② Nominal diameter: DN50 to DN1000
③ Pressure range: 1.0MPa~16.0MPa
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Tilting Disc Check Valve① Main material: Carbon steel, stainless steel, alloy steelread more
② Nominal diameter: NPS2 "to 24", DN50 to DN600
③ Pressure range: Class 150 to Class 600,0.6 MPa to 10.0... -
Large Bore Wafer Check ValveMasters engaged in pipeline maintenance all know that the most feared thing is medium backflow—it may affect the flow rate at best, or damage the pump body at worst. This wafer dual-disc check...read more
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High Pressure Seal Bonnet Check ValveMasters engaged in pipeline maintenance all know that fluid backflow is a big trouble—it may affect the process at best, or damage equipment at worst. This swing check valve made by Zhengmao Valve...read more
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API High Pressure Check ValveBosses handling foreign trade projects or undertaking European and American standard production lines all know that check valves must not only prevent backflow but also comply with API standards....read more
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API Cryogenic Check ValveFriends engaged in low-temperature storage, liquefied natural gas (LNG) and other related work all know that when the medium reaches minus tens or even hundreds of degrees Celsius, ordinary valves...read more
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Stainless Steel Tilting Disc Check ValveMasters in pipeline maintenance all know that fluid backflow is a big trouble—it may affect the process at best, or damage equipment at worst. This tilting disc check valve from Zhengmao Valve is...read more
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Slow-Closing Check Valve With Micro RegulationMasters in pipeline maintenance all know that the biggest fear is medium backflow—at best, it damages equipment; at worst, it shuts down production for repairs. This hammer check valve from...read more
WebA duple check valve is made of a mixture of an austenitic phase and a ferrite phase. With strong corrosion resistance, a duple check valve can be used in various industrial...
WebA Super Duplex check valve is a one-way gate that prevents water from flowing back down the pipe after it’s been pumped. In the Super Duplex Check valve in order to keep the...
WebDuplex valves list from WSV Valve: duplex discharge valves, duplex check valves, duplex globe valves, duplex plug valves, duplex butterfly valves, duplex gate valves, duplex...
WebWe are manufacturing and supplying duplex steel swing check valves in various sizes, large check valves are generally swing type check valves.The seat opening cross-section in...
