SS 304L NRV CHECK VALVE -WELD END ELECTRO POLISH

The Stainless Steel 304L NRV (Non-Return Valve) Check Valve with weld ends and electropolished finish is a high-quality flow control component engineered for hygienic and critical process systems. Designed to allow unidirectional flow and prevent backflow, this valve is essential for maintaining product integrity, system protection, and operational safety.

Manufactured from AISI 304L stainless steel, the valve offers excellent corrosion resistance, low carbon content for improved weldability, and compatibility with a wide range of process media. The electropolished internal surface provides a smooth, bright, and passivated finish (typically Ra ≤ 0.8 µm), reducing product buildup, enhancing cleanability, and minimizing the risk of bacterial contamination.

With weld end connections, this check valve is ideal for permanent sanitary piping installations in CIP/SIP systems where leak-free performance, cleanability, and durability are critical. It operates automatically using a spring-assisted or gravity-closed mechanism that opens when flow pressure is sufficient and closes when flow reverses.

Key Features:

• Material: Stainless Steel AISI 304L (Body & Internal Parts)

• Design: Spring-loaded or gravity-assisted check valve

• End Connections: Butt Weld Ends (DIN / ISO / ASME BPE standards available)

• Surface Finish: Electropolished – Internal Ra ≤ 0.8 µm

• Size Range: DN15 to DN100 (½" to 4")

• Seal Material: EPDM, FKM (Viton), PTFE – FDA compliant

• Working Pressure: Up to 10 bar (145 psi)

• Temperature Range: -10°C to +130°C (seal dependent)

• Flow Direction: Unidirectional

• Installation Position: Horizontal or vertical (depending on spring type)

• Standards Compliance: 3-A, FDA, ISO 9001, ASME BPE, CE

Applications:

• Dairy, Food & Beverage Processing

• Pharmaceutical & Biotechnology Systems

• Cosmetic & Personal Care Manufacturing

• Clean-in-Place (CIP) and Sterilize-in-Place (SIP) Systems

• Chemical and Ultra-Pure Water Applications