How Pilot Operated Pressure Regulators Work?

By: HPS Vigour
SINGAPORE - April 24, 2024 - PRLog -- Pilot-operated pressure-reducing regulators are designed to maintain a constant pressure in a system, regardless of fluctuations in the upstream or downstream pressures. They work by using a combination of pilot pressure and main valve to control the flow and maintain the desired pressure.

The pilot portion of the regulator consists of a small diaphragm, which is connected to a sensing line. This sensing line connects to the downstream pressure and provides feedback to the pilot valve. As the downstream pressure changes, the diaphragm moves, causing the pilot valve to open or close.

When the downstream pressure exceeds the setpoint, the diaphragm moves, forcing the pilot valve to open. This allows the pressure to escape, reducing the downstream pressure. Conversely, when the downstream pressure drops below the setpoint, the diaphragm moves in the opposite direction, closing the pilot valve and allowing more pressure to build up.

The main valve, connected to the pilot valve, controls fluid flow through the regulator. As the pilot valve opens or closes, it modulates the main valve, allowing more or less fluid to pass through. This modulation process helps maintain a constant pressure in the system, even in the presence of fluctuations.

Overall, pilot-operated pressure regulator provides accurate and reliable control by combining pilot pressure and main valve modulation.

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HPS Vigour
Source:HPS Vigour
Tags:Pilot-Operated Regulator
Location:Singapore - Singapore - Singapore
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