The normally open 656 angle union valves are pneumatically operated valves designed to control the flow of both water and steam. This normally open valve is 1/2 line size with 2.1Cv. The actuator is a 2″ pneumatic with 5-10psi spring range.”

Accessories, Control Valves & Actuators, Siemens
656-0019
2-way NO 1/2 angle union valve, 2.1Cv, pneumatic actuator, 5-10 psi”
$527.48

