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1. General

HTW-W27 Series Motorized Valves are used to control the flow of hot water/chilling

water, in heating/cooling or air-conditioning applications so as to control room

temperature indirectly. It consists of Actuator and Valve Body. The valve is normally

closed. When thermostat(with NTC sensor)transfers a signal to actuator, which switch on power supply, and then opens valve letting hot water or chilling water to fan coil unit. If the room temperature reaches set-point, the thermostat transfers a signal to actuator to cut off the power supply and spring return switches the valve off, and stops the flow of hot or chilling water. Therefore, the room temperature could be kept as a constant temperature through valve opened or closed.

2. Characteristics & Materials

?Valve Body: Forged Brass

?Actuator plate: Stainless Steel  ?Cover: Aluminum

?Valve Stem: Brass

?Single direction motorized drive, stainless steel spring return

?Configuration: Normally Closed Two-way and Diverting Three-way

The power supply and connection type can be made as requested

Actuator and Valve Body can be easily assembled and disassembled and installed without any tools

3. Main parameters:

?Power Supply: AC220V±10% 50/60Hz

?Consumption: 6.5W

?Compressive Strength: 1.6Mpa

?Valve Working Time:             

3-way valve: Opening Time:14~18s Closing Time:5~7s

2-way Valve: Opening Time:8~12s Closing Time:3~5s

?Working Temperature: 5~40?

?Pipe Water Temperature:5~90?