Check Valves
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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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![A105 Wafer Single Plate Check Valve]()
A105 Wafer Single Plate Check ValveThis NSV Wafer Single Plate Check Valve is a robust, API 6D-compliant valve designed for large-diameter pipelines in critical industries such as oil & gas, petrochemical, and power generation.
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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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![Wafer Tilting Disc Check Valve]()
Wafer Tilting Disc Check ValveThe NSV wafer tilting disc check valve features a compact, lightweight design with a pivoting disc that opens and closes automatically with flow direction. Its low cracking pressure, fast...
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![30" Wafer Dual Plate Check Valve]()
30" Wafer Dual Plate Check ValveThe NSV 30" wafer-type dual plate check valve is designed for large bore, medium pressure piping in water treatment, power, oil & gas, and municipal applications.The dual plate design with spring...
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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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![NSV DIN Standard 316 Wafer Check Valve]()
NSV DIN Standard 316 Wafer Check ValveThis is a DIN-standard wafer check valve made of 316 stainless steel, offering excellent corrosion resistance and chloride stress corrosion cracking resistance. Featuring a double-disc wafer...
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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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