Cast Iron Non Return Valve (NRV)
The Cast Iron Non Return Valve (NRV) is a robust valve designed to permit fluid flow in one direction and automatically prevent reverse flow. Constructed from high-quality cast iron, it ensures durability and reliability in water, oil, gas, and other non-corrosive fluid systems. Widely used in industrial, municipal, and utility applications, the valve safeguards pumps, compressors, and pipelines by eliminating backflow and maintaining smooth system operation.
Key Features of Cast Iron Non Return Valve (NRV)
- Sturdy cast iron construction for long service life
- Prevents backflow, ensuring system protection and efficiency
- Available in swing, lift, and wafer type designs
- Tight sealing to avoid leakage under various pressures
- Flanged end connections for secure installation
- Operates automatically without external actuation
- Suitable for both horizontal and vertical installation (depending on type)
- Cost-effective and low-maintenance solution for large-scale systems
Technical Information
| Parameter | Details |
|---|---|
|
Product Name |
Cast Iron Non Return Valve (NRV) |
|
Body Material |
Cast Iron |
|
Disc Material |
Cast Iron / Bronze / Stainless Steel |
|
Seat Material |
Bronze / Stainless Steel / EPDM / NBR |
|
Types Available |
Swing Type, Lift Type, Wafer Type |
|
Size Range |
DN50 to DN600 (2” to 24”) |
|
End Connection |
Flanged (ANSI / DIN / BS Standards) |
|
Pressure Rating |
PN 10 / PN 16, Class 125 / 150 |
|
Temperature Range |
-10°C to +200°C (depending on trim and seat material) |
|
Operation |
Automatic (Non-return, no manual actuation required) |
|
Flow Direction |
Unidirectional |
|
Standards Compliance |
API 6D / BS 5153 / DIN Standards |
|
Applications |
Water supply, wastewater, HVAC, oil & gas pipelines, fire protection, and power plants |
Cast Iron Valves
Custom Product Manufacturing Available
If you are searching for customized product designs that meet your requirements, don’t worry. Petron Thermoplast also offers custom product manufacturing services to meet the unique needs of various industries. Work with our expert engineers to create custom designs suited for your application.
