dn20 electric ball valve

Brass water flow switch for water pump Description KWFS liquid flow switch is a micro switch that transmits signals to achieve the purpose of controlling liquid flow.It is a pressure-triggered quick switch, also known as a sensitive switch. Its working principle is: the external mechanical force acts on the action reed through the transmission element, and after the energy is accumulated to the critical point, an instantaneous action is generated, so that the moving contact

stainless steel paddle chiller flow switch HVAC Description The flow switch is mainly installed on-line or plug-in in medium pipelines such as water, gas and oil to monitor the water flow in the water system. When the water flow is higher or lower than a certain set point, the output alarm signal is triggered and transmitted to the unit, and the system can make corresponding indication actions after obtaining the signal. Avoid or reduce host "dry burn". KWFS flow switch is a