Cast Check Valves
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![Large-Diameter Axial Flow Check Valve]()
Large-Diameter Axial Flow Check ValveThis axial flow check valve features a streamlined, straight-through body design with a spring-assisted disc that moves axially along the flow path. The valve opens automatically under forward...
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![Counter Weight Check Valve With Strainer]()
Counter Weight Check Valve With StrainerThis swing-type check valve features a lever-and-weight external actuation system combined with an integral strainer screen. The valve is designed to remain fully open under normal forward flow...
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![WCB Counterweight Check Valve]()
WCB Counterweight Check ValveNSV 18-inch Counterweight Check Valve features WCB cast steel construction. Designed for high-pressure industrial systems. Counterweight mechanism ensures rapid closure. Eliminates water hammer...
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![WCB Extended Body Axial Flow Check Valve]()
WCB Extended Body Axial Flow Check ValveThe NSV Extended Body Axial Flow Check Valve is made of WCB cast steel, designed for deep burial or special installation conditions. The unique extended body structure fits thick insulation and...
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![WCB Axial Flow Check Valve]()
WCB Axial Flow Check ValveThe NSV Axial Flow Check Valve is made of WCB cast steel for differential applications. Streamlined flow-guiding structure enables axial straight-through flow with minimal pressure loss; rapid...
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![Dual Plate EPDM Lined Swing Check Valve]()
Dual Plate EPDM Lined Swing Check ValveThis dual plate swing check valve combines a WCB body with a full EPDM lining for excellent sealing. It features Monel discs, offering exceptional resistance to seawater corrosion and high...
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![Carbon Steel Y-Type Swing Check Valve]()
Carbon Steel Y-Type Swing Check ValveThe NSV carbon steel Y-type swing check valve features a Y-shaped flow path and a swing disc design, allowing media to flow nearly straight through—significantly reducing turbulence and pressure...
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![Stainless Steel Y-Type Swing Check Valve]()
Stainless Steel Y-Type Swing Check ValveThe NSV stainless steel Y-type swing check valve features a Y-shaped flow path and a swing disc design, allowing media to flow nearly straight through whic can significantly reducing turbulence...
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![Stainless Steel Tilting Disc Check Valve]()
Stainless Steel Tilting Disc Check ValveThis tilting disc check valve is engineered for reliable automatic flow control in high-pressure, high-temperature, and corrosive service. The standard body material is CF8C stainless steel,...
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![Tilting Disc Check Valve With Counterweight]()
Tilting Disc Check Valve With CounterweightThis Tilting Disc Check Valve With Counterweight is designed for demanding applications to prevent backflow in pipelines, especially suitable for vertical or high-flow systems. Featuring a...
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![Bidirectional Sealing Check Valve]()
Bidirectional Sealing Check ValveNSV Bidirectional Sealing Check Valve This bidirectional sealing check valve prevents reverse flow from either direction and is equipped with a handwheel for manual operation. Designed for high...
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![Counterweight Hydraulic Check Valve]()
Counterweight Hydraulic Check ValveThis Counterweight Hydraulic Check Valve is designed for large diameter high pressure pipelines requiring silent non-slam closure. It uses a counterbalanced lever and weight system combined with...
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