definition of pressure independent control valve
a pressure independent control valve or picv as it is commonly known is a multi functional valve combining the operation of 3 different valves in one convenient and compact unit the picv acts as a differential pressure control valve a regulating valve and a 2 port control valve use of these valves in a commercial heating or cooling system allows comfort levels to be optimised at least cost reducing ongoing energy consumption and improving the efficiency of the system to outstanding levels