The VA1000 non-spring return actuator with 1000N thrust for valves 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. Theactuator is intended for use with Johnson Controls VGS8…threaded valves as well as VG9000 and VG8000 flanged valves. All valves should be fitted in accordance with the maximum close-off pressure ratings specified (see pertinent valve product bulletins). Valve-actuators can be ordered as separate units or as a factory fitted valve / actuator combinations.