Modulating & On/Off Globe Valve Actuators
DESCRIPTION
Electronic, asynchronous, motor-driven, bidirectional, noiseless, globe valve, non-spring and spring return (fail-safe control) actuators.
APPLICATION
Actuators with integrated coupling for 1/2" to 8", 2-way or 3-way globe valves in commercial and industrial heating, ventilation and air-conditioning systems. Can be controlled by any compatible electric or electronic analog controller, DDC/PLC control or automation system.FEATURES
• Easy valve-actuator coupling
• Manual override
• Overload protected
• Selectable control ranges• Low power consumption
• Compact size
• Quiet operation
• Maintenance free
• Two-year warranty
Specifications Input signal Tri-state (3-point floating) or On/Off voltage 0.1 mA max. current 4-20 mA w/250 Ω load connection 3-wire, 4-wire or 5-wire Feedback signal 1K Ω pot,optional voltage 2 mA max. Electrical Power supply 110 VAC(± 10%) Frequency 50/60 Hz Power consumption 12 VA Running time Power failure actuator, NSR Stay in last position of operation actuator, w/SR Spring return to fully closed or open position Position indicator Markers on actuator coupling linkage indicate piston/stem position Overload protection Electronic throughout stroke Manual override actuator, NSR Built-in knob actuator, w/SR Use of external wrench