Description
The KELOR Spring Loaded Single Plate Wafer Check Valve NRV – 4 Inch (DN100) is a compact, high-performance non-return valve built to ensure reliable protection against reverse flow in industrial and commercial fluid systems.
Crafted with a stainless steel 304 body and disc, the valve provides excellent durability, corrosion resistance, and mechanical strength. The spring-loaded single plate mechanism allows for quick closure, minimizing the effects of water hammer while maintaining smooth and energy-efficient flow.
Its wafer-type design fits easily between standard PN10 flanges, saving space and simplifying installation. The KELOR 4” Wafer Check Valve is widely used in HVAC, water treatment, chemical, food & beverage, and process industries where cleanliness and reliability are essential.
Key Features:
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Brand: KELOR
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Model: Spring Loaded Single Plate Wafer Check Valve NRV
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Size: 4 Inch (100MM / DN100)
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Body Material: Stainless Steel SS304
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Disc Material: Stainless Steel SS304
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Seat Type: Metal or Soft Seat (EPDM / Nitrile / PTFE)
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Pressure Rating: PN10
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Design: Wafer Type – Compact & Lightweight
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Operation: Spring Loaded Single Plate (Non-Return Valve)
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End Connection: Fits Between Flanges (Wafer End)
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Flow Direction: Horizontal or Vertical (Upward)
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Standards: API 594 / EN 558 / ISO 5752
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Media: Water, Air, Oil, Steam, and Non-corrosive Fluids
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Temperature Range: -10°C to +180°C (Depending on Seat Material)
Benefits:
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100% SS304 stainless steel for corrosion and rust protection
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Quick closing action prevents reverse flow and water hammer
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Low pressure loss and high flow efficiency
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Easy wafer installation between flanges
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Compact, durable design with minimal maintenance requirements
