CPVC Spring Check Valve
The CPVC Spring Check Valve is a high-performance non-return valve designed to prevent backflow in industrial fluid systems. Constructed from corrosion-resistant Chlorinated Polyvinyl Chloride (CPVC), it features an internal spring-loaded mechanism that ensures rapid, automatic closure when flow stops, providing reliable one-directional flow. This valve is ideal for vertical and horizontal installations in applications involving aggressive chemicals and elevated temperatures. Its compact, low-maintenance design makes it suitable for chemical processing, water treatment, and industrial piping systems.
CPVC Spring Check Valve
- One-Way Flow Control: Prevents reverse flow to protect pumps and equipment.
- Spring-Loaded Design: Provides fast and automatic closing with minimal pressure drop.
- Chemical-Resistant CPVC Construction: Ideal for corrosive and high-temperature environments.
- Compact and Lightweight: Easy to install in confined or vertical piping systems.
- Leak-Proof Sealing: High-quality elastomer seals (EPDM or FKM) ensure tight shutoff.
- Versatile Installation: Suitable for both horizontal and vertical mounting.
- Low Cracking Pressure: Opens easily at low system pressures.
- Minimal Maintenance Required: Simple design with few moving parts.
| Parameter | Specification |
| Body Material | CPVC (Chlorinated Polyvinyl Chloride) |
| Spring Material | Stainless Steel (SS304 or SS316) |
| Seal Material | EPDM or FKM (Viton®) |
| Disc Material | CPVC |
| Size Range | ½” to 4″ (15 mm to 110 mm) |
| End Connections | Socket (solvent weld), Threaded (NPT/BSP), or Flanged |
| Pressure Rating | Up to 150 PSI (10.3 bar) at 23°C |
| Temperature Range | 0°C to 93°C (32°F to 200°F) |
| Cracking Pressure | Typically 2–5 PSI (0.14–0.34 bar), depending on size |
| Flow Direction | Unidirectional |
| Installation Orientation | Horizontal or vertical (spring upwards) |
| Applications | Chemical processing, water and wastewater treatment, RO systems |
| Compliance Standards | ASTM D1784, NSF/ANSI 61 (optional) |

Customization & Processing Options
Customizations Option Available for CPVC Spring Check Valve
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
