BRASS VALVE THREE WAYS 4131 3/4 FAN-COILS SERIES 20 WATTS (WITHOUT Cap)

BRASS VALVE THREE WAYS 4131 3/4 FAN-COILS SERIES 20 WATTS (WITHOUT Cap)

3-way 1/2" M-M valve with 4 brass couplings for Fan-Coil 1,7Kvs 1,3Kvs Bypass

The control valves for fan-coils, Series 2131, 3131, 4131, are normally used to control the heat and cold flows of water in heating and / or air conditioning systems, through an electric ON / OFF command.
The valves, made of bronze, are offered with male thread and with 3-way 4 serial ports 4131 with built-in by-pass.
They can be driven by electrothermal actuators with ON / OFF Action:
- Series 20C, available with 2 wires, NC (normally closed)
to fix to the body of the valve through a threaded ring nut.

DESCRIPTION
Valves are used for diverting/mixing heat transfer fluid to a heating or air conditioning system as required by the room thermostat
Thanks to the very compact size of the control valves of the 2131,3131,4131 series it is suitable for installation in banks of individual terminal units (fan-coils, ventilation units).