Siemens 599-01088 Valve Actuator, the Actuator is a 2″ Pneumatic type used with Powermite 599 MT Series Valves, 8-13 psi (258 series), 10-15 psi (256 series) and 3-8 (257 series). Used on Powermite 599 Series Terminal Unit Valves in liquid and steam service application, Freely rotates to aid tubing installation.
Actuator Type: Pneumatic
Fail Safe: Yes
David Marks –
One of my favorite pneumatic actuators for Terminal applications. Reliable and affordable.