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

Key Feature of 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.
Technical Measurement of CPVC Spring Check Valve
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: