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 ...

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 ...