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 3/4″ line size with 4.6Cv. The actuator is a 2″ pneumatic with 3-8psi spring range.

Accessories, Control Valves & Actuators, Siemens
656-0018
2-way NO angle union valve, 3/4″ 4.6Cv, pneumatic actuator, 3-8psi spring range
$604.47
