Spirax Sarco Pilot Operated Pressure Regulators


5522225PA 1/2"NPT pressure regulator$693.00
5522325PA 3/4"NPT pressure regulator$760.77
5522725PA 2"NPT pressure regulator$1,690.74


The pressure pilot is loaded by an external compressed air supply rather than by a spring.  The downstream pressure can be set remotely by adjusting the loading air pressure. 

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