A single‑door non‑return valve is a check valve with a swing‑type disc that opens when fluid flows forward and closes automatically when flow reverses. This prevents backflow, protects pumps, and maintains system pressure.
Single Door NR Valve 316SS Body with Viton O Ring 250mm
R18 469,00
- Size: 250mm
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Wafer single‑door NRVs are compact and ideal for pipelines with limited space.
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316SS body offers excellent corrosion resistance for water, chemicals, and industrial fluids.
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Viton O‑Ring is suited for higher temperatures and chemical compatibility compared to NBR.
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PN16 rating fits most municipal, industrial, and


