Non Return Valve (NRV) ï One-Way Flow Valve for Industrial and Domestic Use
Product Description:OurNon-Return Valve (NRV)is designed toallow fluid flow in one direction onlyand prevent backflow in pipelines, ensuring the protection of pumps, compressors, and other critical equipment. This valve automatically closes if the flow reverses, making it essential forliquid and gas systems in both industrial and domestic applications.
Available in a variety of materials and configurations such asSwing Type, Lift Type, Wafer Type, andSpring-Loaded, our NRVs are suitable forwater, steam, air, oil, and chemical lines. Built to industry standards, they offerleak-proof operation, corrosion resistance, and long service life.
ïKey Features:ïïDesigns Available:Swing Type / Lift Type / Spring Loaded / Wafer Type
ïïMaterial Options:Cast Iron, Cast Steel, SS304, SS316, Bronze, PVC
ïïSizes:ï to 12ï (15mm to 300mm)
ïïEnd Connections:Flanged / Screwed / Socket Weld / Wafer
ïïPressure Ratings:PN10 / PN16 / PN25 / ANSI 150 / 300
ïïTemperature Range:-10C to +250C (medium-dependent)
ïïInstallation:Vertical or Horizontal line (as per type)
ïïBackflow Prevention:Automatic closure when reverse flow is detected
Standards:API 6D / BS / DIN / IS
Media:Water, Air, Gas, Steam, Oil, Chemicals
Coating:Epoxy / Heat Resistant / Anti-corrosive (on request)
Seal Material:NBR / PTFE / Viton / Metal-to-Metal (optional)
Water & Wastewater Pipelines
Firefighting Systems
Chemical Processing Plants
Oil & Gas Installations
Power Plants & Steam Lines
HVAC Systems & Chillers
Domestic Plumbing and Borewells
Industrial Pump and Compressor Protection
Dual plate check valve design
Soft seat or metal-to-metal sealing
Stainless steel trim for corrosive media
Non-slam design for high-pressure lines
Vertical or horizontal mounting options
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