Description Q830 Series Pressure Switch. Q830 series adjustable pressure switches, suitable for the monitoring of flow failure and proving in pumps, chillers, valves etc. Units have an adjustable setpoint and differential. It can be not only used in fluorinated refrigerant, but also in the air and liquid (allowed liquid temp. -20 to 120C) Specification Model Low pressure(bar) High pressure(bar) Reset form(bar) Factory setting(bar) Pressure adjust range Differential Pressure
-20-120 water flow detector switch HVAC Description KWFS is a flow switch with protection class IP65, which can be used in harsh environments, and its contact with the medium is made of brass, which can make the service life of the equipment long. Application Control and monitor liquid flow of boilers, pumps, etc., of heating, cooling, and air conditioning equipment. Features Flow control of water and normal media Renovated SPDT micro switch ensures the reliable switch