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There are two main types of pressure regulating devices direct-acting and pilot-operated. Direct-acting regulators use the force of the incoming fluid to directly act on the diaphragm or piston, while pilot-operated regulators use a small amount of pressurized air or gas to control the movement of the diaphragm or piston. Pilot-operated regulators are generally more precise and can handle larger pressure drops than direct-acting regulators Pilot-operated regulators are generally more precise and can handle larger pressure drops than direct-acting regulators
Pilot-operated regulators are generally more precise and can handle larger pressure drops than direct-acting regulators Pilot-operated regulators are generally more precise and can handle larger pressure drops than direct-acting regulators
pressure regulating device.

