1-1/2'' proprotion Modulating valve, 4-20mA AC/DC24V 0-10V for flow regulation or on/off control water treatment HVAC
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4-20mA AC/DC24V 0-10V 11/2\'\' proprotion Modulating valve for flow regulation or on/off control water treatment HVAC
TF proportional valve consists of TFV4- series rotary actuator and DN15-DN50 brass ball valve. Equal percentage flow characteristic guarantees the valve performances of stability. Control ball valves are widely used in HVAC system, heating system, water treatment equipment, and water running control in industrial automation, such as: AHU, flesh air-handling unit, differential pressure control unit and heat ex-changer for flow regulation and on/off control.
Water treatment system
TF proportional valve is motor-operated by a type of, TFV4-304, TFV4-306 and TFV-310 actuator. The actuator is controlled by a modulating on/off, or proportional control system and move the ball of the valve, to the opening position dictated by the control signal.
Medium: cold/hot water, with 50% glycol
Temperature of medium: 2°C...90°C
Rated pressure: PN20
Pipe connector: internal thread
Ambient temp. range: −5…+60°C; 0…90%RH Size: 3/4’’ - 2’’
Valve type: 2-way and 3-way
Flow characteristic: equal percentage, on/off
Valve body: forged brass, Hpb59-1
Seal: ball: EPDM+PTFE
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