MacGregor Services, Inc.
High Pressure Pilot Operated Controls

Back Pressure Regulators
Pressure Reducing Regulators
Make-Up Gas Regulators
Suction Controllers

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Fisger 4100zr on Kimray 1400 no-freeze valve

high pressure back pressure using kimray 150pg on 1400 valvehigh pressure pressure reducer with catalytic heater
4100ZR Fisher Pilot on Norriseal 2220