What is a minimum pressure valve
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What is a minimum pressure valve, and what are its features? Thank you
I saw this valve on a screw air compressor. It is likely that when the pressure falls below a certain value, this valve opens on its own; the pressure at which the valve opens is known as the minimum pressure.
The minimum pressure valve is installed on the screw compressor and its function is to maintain the pressure in the oil tank system (to supply oil to the compressor’s head). The valve opens when the pressure exceeds the set value and closes when it is below that value, thereby ensuring proper lubrication and cooling of the oil system.
Composition of the minimum pressure valve: The minimum pressure valve consists of a valve body, valve core, adjustment nut, spring, sealing elements, etc. 4.2 Function of the minimum pressure valve: The minimum pressure valve is primarily used to establish pressure within the unit, facilitate the circulation of lubricating oil, and meet the operating pressure requirements of the load relief valve. Additionally, it acts as a one-way valve, preventing compressed air in the air storage tank from flowing back into the air compressor when the unit is operating under unloaded conditions.
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It is the pressure below which the valve closes on its own; when the pressure exceeds this value, the valve opens automatically. This pressure is known as the minimum pressure.