Armstrong Piston Valves

Armstrong Piston Valves For Saturated and Superheated Steam, and Hot Water Applications Maximum operating pressure of 136 barg1973 psig . . . Max. operating temperature of 427°C800°F Armstrong Piston Valves are full port forged steel isolation valves.The burnished piston and metal reinforced graphite rings provide leak-proof shutoff and allow Armstrong Piston Valves to be operated at higher temperatures, while also extending operating life. Armstrong Piston Valves are available in Socket Weld, BSPT, and NPT end connections. Flanged ends can be supplied upon request.