About NON RETURN VALVE BODY CI CS WCB SS304 SS316

THINK TECH Non-Return Valve (NRV) Specification

Description

A Non-Return Valve (NRV), also known as a Check Valve, is designed to permit flow in one direction and automatically prevent backflow. These valves are manufactured in robust body materials like Cast Iron (CI), Carbon Steel (CS), WCB, Stainless Steel 304 (SS304), and Stainless Steel 316 (SS316), making them suitable for diverse industrial applications.

Technical Specifications

• Valve Type: Non-Return Valve / Check Valve

• Body Material: CI / CS / WCB / SS304 / SS316

• Sizes: to 24 (DN15 DN600)

• End Connection: Flanged (ANSI / DIN / JIS Standards)

• Pressure Class: Class 150 / PN10 / PN16 / PN25 / PN40

• Mediums: Water, Oil, Steam, Air, Gas, Chemicals

• Temperature Range: -20C to +425C (as per material grade)

• Seat Type: Metal-to-Metal / Soft Seated (EPDM, NBR, Viton options)

• Standards: API 6D / BS 1868 / DIN 3356

• Testing Standard: API 598 / EN 12266

• Flow Direction: Unidirectional (Arrow marked on body)

• Operation: Automatic, no actuator required

Key Features

• Prevents reverse flow and protects pumps & equipment

• Durable body construction for long operational life

• Low pressure drop with high flow efficiency

• Available in multiple metallurgy options

• Easy maintenance with bolted bonnet cover

• Suitable for horizontal and vertical pipelines

Applications

• Oil & Gas Pipelines

• Water Treatment Plants

• Chemical Industries

• Steam Lines & Boilers

• HVAC & Utility Systems

• Power Generation Plants

• Industrial Fluid Handling

Keywords

• Non Return Valve Manufacturer

• NRV Check Valve Supplier

• Cast Iron Non Return Valve

• Carbon Steel NRV Valve

• WCB NRV Check Valve

• Stainless Steel 304 Non Return Valve

• Stainless Steel 316 Non Return Valve

• Flanged Non Return Valve

• Industrial NRV Exporter

• One Way Check Valve for Oil, Gas & Water