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:

• Brand: KELOR

• Model: Spring Loaded Single Plate Wafer Check Valve NRV

• Size: 4 Inch (100MM / DN100)

• Body Material: Stainless Steel SS304

• Disc Material: Stainless Steel SS304

• Seat Type: Metal or Soft Seat (EPDM / Nitrile / PTFE)

• Pressure Rating: PN10

• Design: Wafer Type – Compact & Lightweight

• Operation: Spring Loaded Single Plate (Non-Return Valve)

• End Connection: Fits Between Flanges (Wafer End)

• Flow Direction: Horizontal or Vertical (Upward)

• Standards: API 594 / EN 558 / ISO 5752

• Media: Water, Air, Oil, Steam, and Non-corrosive Fluids

• Temperature Range: -10°C to +180°C (Depending on Seat Material)

Benefits:

• 100% SS304 stainless steel for corrosion and rust protection

• Quick closing action prevents reverse flow and water hammer

• Low pressure loss and high flow efficiency

• Easy wafer installation between flanges

• Compact, durable design with minimal maintenance requirements