Dual Plate Check Valves, also known as Double Door Check Valves, are compact, wafer-type non-return valves designed to prevent reverse flow in piping systems. The valve consists of two spring-loaded semicircular plates mounted on a central hinge pin, which open smoothly with forward flow and close rapidly when flow stops.
Applications
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Water Distribution & Treatment Systems
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HVAC Systems
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Oil & Gas Industry
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Refineries
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Chemical & Petrochemical Plants
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Power Plants
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Fire Protection Systems
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Marine Applications
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Compressed Air & Utility Lines
Key Features
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Non-Slam Spring-Loaded Design
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Compact Wafer Construction
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Low Pressure Drop
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Quick Response to Flow Reversal
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Lightweight & Easy Installation
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Low Maintenance Design
Valve Details
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Size Range 2 Inch to 60 Inch
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Pressure Rating PN10 / PN16 / PN25 / ANSI Class 150 / 300
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Body Material Carbon Steel / Stainless Steel / Ductile Iron
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Plate Material SS 304 / SS 316
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Seat Type Metal Seat / Soft Seat (EPDM / NBR)
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Spring Material Stainless Steel
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End Connection Wafer
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Testing Standard API 598
