Flanged piston check valve, cast steel body
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.