PVDF Non Return Valve (NRV)
The PVDF Non Return Valve (NRV) is a high-performance, corrosion-resistant valve designed to allow fluid flow in one direction while preventing backflow in piping systems. Manufactured from Polyvinylidene Fluoride (PVDF), it offers excellent chemical resistance, making it ideal for aggressive chemical applications, high-purity processes, and industrial installations requiring durability and safety.
PVDF Non Return Valve (NRV)
- Excellent Chemical Resistance – Suitable for highly corrosive media.
- High Thermal Stability – Performs reliably at elevated temperatures.
- Low Maintenance Design – Minimal wear parts with long service life.
- One-Way Flow Control – Prevents reverse flow, ensuring process safety.
- UV & Weather Resistant – Ideal for outdoor installations.
- Compact and Lightweight – Easy to install in compact spaces.
- Leak-proof Performance – Ensures secure sealing and operation.
- Multiple End Connection Options – Socket, threaded, or flanged.
Technical Details of PVDF Non Return Valve (NRV)
| Parameter | Specification |
|---|---|
| Material | PVDF (Polyvinylidene Fluoride) |
| Valve Type | Non Return Valve (NRV) – Spring-loaded or Swing Type |
| Available Sizes | ½” to 6″ (15mm to 150mm) |
| End Connections | Socket Weld / Threaded / Flanged |
| Pressure Rating | Up to 150 PSI (10 bar) |
| Temperature Range | -20°C to +120°C |
| Color | Natural White or Translucent |
| Design Standards | DIN / ASTM / ISO |
| Flow Direction | Unidirectional (Horizontal/Vertical, design-specific) |
| Application Areas | Chemical processing, semiconductor industry, pharmaceuticals, water treatment |
| d (Outer Diameter) | DN (Nominal Diameter) | PN (Pressure Nominal) | E (Cap Height) | H (Total Height) | L (Upper Section Height) | L1 (Lower Section Height) | Z (Installation Length) |
|---|---|---|---|---|---|---|---|
| 20 | 15 | 16 | 55 | 103 | 16 | 18 | 87 |
| 25 | 20 | 16 | 66 | 125 | 19 | 20 | 106 |
| 32 | 25 | 16 | 75 | 150 | 22 | 24 | 128 |
| 40 | 32 | 16 | 87 | 171 | 26 | 28 | 145 |
| 50 | 40 | 16 | 100 | 187 | 31 | 34 | 156 |
| 63 | 50 | 16 | 122 | 223 | 38 | 41 | 185 |
d: The mouth where the pipe connects.
DN: The official “size identity” of the valve.
PN: How much pressure the component can bravely handle.
E: Height of the upper cap section.
H: The tall story from bottom to top.
L: Just the height of the upper crown.
L1: The lower connection stub’s height.
Z: The full installation height needed.
C: The width of the crown/top diffuser.
| Parameter | Specification |
| Material | PVDF (Polyvinylidene Fluoride) |
| Valve Type | Non Return Valve (NRV) – Spring-loaded or Swing Type |
| Available Sizes | ½” to 6″ (15mm to 150mm) |
| End Connections | Socket Weld / Threaded / Flanged |
| Pressure Rating | Up to 150 PSI (10 bar) |
| Temperature Range | -20°C to +120°C |
| Color | Natural White or Translucent |
| Design Standards | DIN / ASTM / ISO |
| Flow Direction | Unidirectional (Horizontal/Vertical, design-specific) |
| Application Areas | Chemical processing, semiconductor industry, pharmaceuticals, water treatment |

Customization & Processing Options
Customizations Option Available for PVDF Non Return Valve (NRV)
At Petron Thermoplast, we offer customized PVDF fittings to meet your specific system requirements.
Customization options include:
- Tailor-made dimensions and wall thicknesses
- Custom-molded and machined PVDF fittings
- Pre-fabricated manifolds and assemblies
- Choice of connection type (butt fusion, socket fusion, or flanged)
- OEM branding or marking options
