Minimum Pressure Valves
Airpower is the importer of the following replacement minimum pressure valves for screw compressors:
Our Range of Minimum Pressure Valves
Minimum Pressure Valves for All Your Needs
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These units are compatible with most brands of screw compressors.
It can also be used after an air dryer, if the dryer is running at very low pressures, to improve the dryer efficiency.
20 mm (3/4” BSP) minimum pressure valve for 7.5 to 15 kW (10 to 20 hp.). screw compressors.
20 mm (3/4” BSP) minimum pressure valve for 15 kW (20 hp.). screw compressors.
25 mm (1” BSP) minimum pressure valve for 22 to 30 kW (30 to 40 hp.). screw compressors.
32 mm (1 1/4” BSP) minimum pressure valve for 37.5 to 75 kW (50 to 100 hp.). screw compressors.
FAQs
1. What does a minimum pressure valve do in a screw compressor system?
A minimum pressure valve maintains the minimum pressure needed in the compressor to ensure proper lubrication and reliable system performance.
2. Can minimum pressure valves improve air dryer efficiency?
Yes. When installed after an air dryer running at very low pressures, the valve helps maintain stable pressure, improving dryer efficiency and performance.
3. How do I know which size minimum pressure valve fits my compressor?
The correct size depends on your compressor’s power rating. Airpower supplies valves ranging from 20 mm to 32 mm to fit compressors from 7.5 kW up to 75 kW.
4. Are these valves compatible with different brands of screw compressors?
Yes. Airpower minimum pressure valves are designed to work with most leading screw compressor brands.
5. How often should minimum pressure valves be checked or replaced?
They should be inspected during routine maintenance. If the valve is leaking, stuck, or causing pressure instability, it should be replaced immediately.
Refrigerated Dryers
Refrigerated air dryers from 750 liters/min up to 17000 liter/min ex-stock. Larger ex overseas. Dew point 4°C under pressure. Automatic drain pre and manual drain after filters.
Screw Compressors
Screw compressors have no valves or other mechanical forces to cause imbalances unlike piston compressors.
Compressor Components
Airpower keeps universal spare parts for compressors. Pressure switches, non return valves and safety valves are universal to all compressors. Bottom entry filters/ regulators, electric motors and starters can be used for many makes of compressors.
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