Pressure Regulator Valve

We are the most reliable Pressure Regulator Valve Manufacturer, Supplier and Exporter In India. Our Pressure Regulator Valve is mainly used to handle downstream pressure and is self-contained and self-operated control device, which uses energy from the controlled system to operate & regulate pressures. Our Pressure Regulator Valve helps to manage downstream system pressures in low, medium, high flow applications. The different models of the valve include a diaphragm type, piston type or combination of both to suit different applications. A Pressure Regulator Valve maintains a desired reduced outlet pressure while providing the required fluid flow to satisfy a variable downstream demand. The valve at which the reduced pressure is maintained is the outlet pressure setting of the regulator.
Principle Of Operation
All type of regulators generally fit in to one of the following two basic categories

• Direct Operated
• Pilot Operated

The specific considerations peculiar to your control needs is to be carefully studied and understood to determine which method of control is the better choice. Regulators when compared to control Valve / Instrument package have their advantages and limitation.
The operational principal of both types of regulators is explained as follows.

• Direct Operated : In operation, a direct-operated, pressure-reducing regulator senses the downstream pressure through either internal pressure registration or an external control line. This downstream pressure opposes a spring that moves the diaphragm and valve plug to change the size of the flow path through the regulator. Characteristically direct operated regulators are adequate for narrow-range control, and where the allowable change in output pressure can be 10 to 20% of the outlet pressure setting. This 10 to 20% is typical although finer control can be achieved depending on the specific application requirement.
• Pilot Operated : A pilot-operated system uses a two-path control. In two-path control, the main valve diaphragm responds quickly to downstream pressure changes, causing an immediate correction in the main valve position. At the same time, the pilot diaphragm diverts some of the reduced inlet pressure to the other side of the valve diaphragm, diaphragm control the final positioning of the main valve plug. Two-path control results in fast response. Pilot-operated regulators are preferred for broad-range control, or where the allowable change in outlet pressure is required to be less than 10 percent of the outlet pressure setting. They are also commonly used when remote set point adjustment is required for a regulator application.