Siemens Building Technology MVF461H20-5 Valve 326070-701 it features a manual override

it features a manual override hand lever for field adjustments

Manual Override: Features a hand crank for manual positioning during commissioning or system testing

the O2PT-1 utilizes Garlock #2930 gasket material to maintain seal integrity under rigorous temperature and pressure cycling

but always verify your lead connections against the original wiring diagram before energizing

this on/off actuator is suitable for indoor environments where high moisture or debris might be present

Siemens Building Technology MVF461H20-5 Valve 326070-701 it features a manual overrideThe Siemens Building Technology MVF461H20 5 is a high performance 3 4 inch magnetic control valve engineered for precision modulating control in demanding HVACR environments. Designed primarily for steam and high temperature hot water applications, this valve features an integrated magnetic actuator that delivers a positioning time of less than two seconds. This rapid response is critical for maintaining stability in district heating stations and