in heating, ventilation and air conditioning applications
is available for floating (3-point) control or proportional control.
All models have manual override as standard and provide stroke
capabilities of 7 mm to 25 mm.
Proportional models are self-calibrating.
The actuator is intended for use with Johnson Controls VG7000 and
VGS800 threaded valves as well as VG9000, VG8000 and VG8300
flanged valves. All valves should be fitted in accordance with the
maximum close-off pressure ratings specified.
Valve-actuators can be ordered as separate units or as a factory fitted
valve / actuator combinations.
Features
Proportional actuators are self calibrating
All models can also be used as floating and ON/OFF actuators
Force controlled motor shut-off
Manual override as standard
IP54 enclosure protection
Delivered with fitted 1.5 m cable and wire terminals
Status LED
Models with optional aux. switches or 2 kΩ feedback potentiometer
Control-Signal failure – stem to pre-determined position
Stroke position indicator