
Valves
Check Valves (Swing, Dual-Plate and Piston)
Self-acting check valves that prevent reverse flow and protect pumps, compressors and equipment from backflow damage: swing, dual-plate and piston designs, cast and forged bodies. Valves are supplied as part of the Spai one-stop piping package - flange drilling, weld-end schedules and face-to-face d
Specifications
- Types
- Swing, dual-plate, piston
- Size Range
- DN15-DN600
- Pressure Class
- Class 150-2500, PN10-PN100
- Materials
- WCB, CF8M, CF3M
- Testing
- API 598 / ISO 5208 with EN 10204 3.1
Product Overview
Self-acting check valves that prevent reverse flow and protect pumps, compressors and equipment from backflow damage: swing, dual-plate and piston designs, cast and forged bodies. Valves are supplied as part of the Spai one-stop piping package - flange drilling, weld-end schedules and face-to-face dimensions coordinated with your fittings and pipes, one shipment, unified EN 10204 3.1 documentation.
Specifications and Standards
DN15-DN600; Class 150-2500, PN10-PN100; bodies WCB, CF8M, CF3M; swing, dual-plate and piston designs; testing per API 598 / ISO 5208 with EN 10204 3.1.
Applications
Pump discharge protection in water and wastewater, boiler feed lines, process lines where reverse flow must be blocked without instrumentation.
Request a Quote
Send size, schedule or class, material grade and quantity to melinda@spai-steel.com - we reply with a confirmed supply proposal and lead time.