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Invensys mf-631X3 floating valve actuator


INVENSYS MF-631X3 FLOATING VALVE ACTUATOR
Mod e l Ch a r t S pe c i f i c a t i o ns
This valve actuator is a non-spring return actuator
compatible with floating and optional proportional
* Floating actuator controlled by SPDT floating controller (drive open-hold-drive closed) or a DDC controller with equivalent control action (contact or triac).
* Optional control module cards for proportional control (MF-63123 only): MFC-8000 for Vdc and MFC-420 for 4 to 20 mAdc.
* 210 lbs minimum output force with automatic load limit. Wide operating ambient range of 0 to 140 F (-18 to 60 C).
* Synchronous motor assures accurate stroke timing.
* Manual override operation with automatic release.
* Adjustable SPDT auxiliary switch on -500 models.
* Rugged construction: Die cast housing, double thread 1/2 in. dia. stainless steel jackscrew, roller thrust bearings, and all metal gear train.
* Integral linkage for 1/2 to 2 in. VB-7xxx and VB-9xxx 1/2 to 1-1/4 in. valves. Optional linkage for 2-1/2 to 5 in. VB-8xxx valves, 2-1/2 to 4 in. VB-931x and discontinued 1-1/2 to 4 in. VB-9xxx (except VB-9323 2-1/2 to 4 in.).



Invensys mf-631X3 floating valve actuator