Wafer Type NRV Valve – Compact and Reliable Non-Return Valve for Flow Control
Available Size
2 Inch 50 NB
2.5 Inch 65 NB
3 Inch 80 NB
4 Inch 100 NB
6 Inch 150 NB
Technical Specifications
Material: Typically made from cast iron, stainless steel, or ductile iron for corrosion resistance and durability
Size Options:
2 Inch 50 NB
2.5 Inch 65 NB
3 Inch 80 NB
4 Inch 100 NB
6 Inch 150 NB
Pressure Rating: Suitable for medium-pressure systems
Temperature Range: Suitable for temperatures from -20°C to 120°C depending on the material used
Design: Wafer-type design for easy installation between flanged pipes
Flow Control: Non-return mechanism for automatic closure when flow direction reverses
Compliance: Meets ISO 9001, ANSI, and DIN standards for valve manufacturing
Features and Benefits
Compact and Space-Saving Design: The wafer design allows for easy integration into tight spaces between flanged connections, saving space in the system
Backflow Prevention: The non-return mechanism automatically closes when flow reverses, preventing backflow and protecting sensitive equipment like pumps and valves
Durable Construction: Available in cast iron, stainless steel, or ductile iron, providing long-lasting performance in industrial and plumbing systems
Easy Installation: The wafer design is easily installed between flanged pipe connections, offering quick and hassle-free setup
Leak-Proof Performance: Provides tight sealing and prevents leakage, ensuring system integrity during operation
Versatile Applications: Ideal for use in water pipelines, chemical transport, HVAC systems, and industrial processes
Applications and Use Cases
Water treatment plants for backflow prevention in filtration systems and distribution networks
Industrial chemical systems to prevent reverse flow of chemicals, ensuring safe and reliable operation
HVAC systems for one-way flow control in cooling towers and air conditioning systems
Pumping stations to protect pumps and motors from damage caused by backflow in fluid transport systems
Oil & gas pipelines to ensure fluid flow only in the correct direction, protecting the pipeline and its components
Suitable Industry Types
Plumbing & HVAC
Water Treatment & Distribution
Chemical & Petrochemical
Oil & Gas
Manufacturing & Industrial Processing
Packaging and Delivery
Packaging: Securely packed to prevent damage during transport
Delivery: Within 3–5 working days from order confirmation
Bulk Order Support: Custom packaging and branding available for bulk orders
Usage Note
Ensure the Wafer Type NRV Valve is installed correctly, with the flow direction clearly indicated. Regularly check the valve for signs of wear or corrosion, especially in high-pressure or chemical systems. Free delivery and installation are available within a 10 km radius from our service center.


