PRODUCT SPECIFICATION: 1' PVC SCHEDULE 80 TRUE UNION SPRING CHECK VALVE (EPDM)
1. GENERAL DESCRIPTION
- Product Type: True Union Spring Check Valve
- Nominal Size: 1 Inch (DN25)
- Body Material: Polyvinyl Chloride (PVC)
- Material Class: Schedule 80 (Heavy Wall)
- Sealing Material: EPDM (Ethylene Propylene Diene Monomer) O-rings and seats
2. MECHANICAL & OPERATIONAL SPECIFICATIONS
- Pressure Rating: 150 PSI at 73°F (23°C)
- Maximum Temperature: 140°F (60°C)
- Mechanism: Spring-assisted closure
- Spring Material: Stainless Steel 316 / Option for PTFE coating
- Flow Direction: Unidirectional (indicated by arrow on body)
- Cracking Pressure: 1 to 5 PSI (standard spring tension)
3. DESIGN & CONNECTION FEATURES
- Union Type: True Union design allowing dual-end disconnection
- Maintenance: Inline serviceable without cutting the pipe
- End Connections: Socket (Glue-on) and Threaded (NPT/NPTF) options included
- Installation Orientation: Suitable for both horizontal and vertical upward flow
4. COMPLIANCE & APPLICATIONS
- Standards: ASTM D1784 (Material), ASTM F1970 (Design performance)
- Chemical Resistance: Highly resistant to acids, bases, salts, and water treatment chemicals
- Exclusions: Not recommended for compressed air, gases, or petroleum-based oils
- Common Uses: Water treatment, commercial swimming pools, aquariums, and chemical processing