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Single Phase Pressure Switch No38

Single phase NE-MA pressure switch. Range adjustable cut out pressure 6 to 12 bar. Differential pressure 2 bar. Cut in range 4 to 10 bar.

It is suitable to be used on single phase air compressors up to 2.2 kW (3hp.)

It can be used on any larger compressor motor, single or three phase, provided you use a direct on line starter, or star delta starter and the pressure switch only switch the coil of the starter.

The pressure switch has a mechanical valve, to release the compressed air between the compressor pistons and the non-return valve, when it switch off. This allows the unit to restart without any back pressure.

When the switch release the air continuous, after it switched off, it is the non-return valve not sealing the air from the tank and the problem is with the non-return valve seat.

Aipower Dryers

Refrigerated Dryers

Refrigerated air dryers from 750 liters/min up to 6500 liter/min ex-stock. Larger ex overseas. Dew point 4°C under pressure. Automatic drain pre and manual drain after filters.

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Screw Compressor

Screw Compressors

Screw compressors have no valves or other mechanical forces to cause imbalances unlike piston compressors.

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Compressor-air-filters

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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