Fan Coil Valve

200,300 and 400 Series fan coil control valves are used for controlling the flow of hot or cold water in heating and air conditioning systems. They are operated by actuators with effective stroke of 2.5 mm,electrothermal actuators.
As standard, the valves are available in the following configurations with male thread:200 Series 2-way; 300 Series 3-way; 400 Series 3-way 4-port with built-in bypass. The valve disc is operated by electrothermal actuators, which are available in the following versions:
·NO (normally open), 2 wires (standard)or 4 wires (with auxiliary microswitch contact);

·NC(normally closed). 2 wires (standard) or 4 wires (with auxiliary microswitch contact).
All the actuators are easy to fix to the valve body by means of a threaded ring-nut(M30x1.5)

The valves are of Normally Open type and can be adjusted or fully closed by manually turning the threaded plastic cap,which controls the valve stem. When used in conjunction with NC actuators,in rest conditions (actuator not energised), the valve becomes normally closed (NC) (straight way closed and bypass open if 3-way type): if the actuator is energised, the valve opens. When used in conjunction with NO actuators, in rest conditions (actuator not energised), the valve remains normally open (NO)(straight way open and bypass closed if 3-way type): if the actuator is energised, the valve closes. The fluid flow rate and pressure drop of the valves can be determined from the flow curves. In conjunction with ON/OFF actuators, however, they assume the characteristics of the device in question.
The 3-way (or 3-way 4-port) valves are designed and manufactured for use as either diverter valves (one inlet and two outlets) or mixing valves (two inlets and one outlet). Observe the maximum operating pressure shown in the table to avoid possible malfunctions and/or noise. The reliability of the 200, 300 and 400 Series fan coil control valves is guaranteed by the fact that every single product is tested to ensure the outward pressure tightness of the valve body and its components, and the pressure tightness of the disc when it shuts off the flow.