Screw Compressor Demand Valves
Screw, vane or reciprocating compressor replacement air intake valves. Also called demand valve or control valve.
Our Range of Screw Compressor Demand Valves
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Airpower is the importer of the following compressor air intake control valves:
It can fit on many popular brands of compressors.
25 mm connection for air intake filter for 5.5 kW 7.5 hp. up to 15 kW 20 hp. machines.
50 mm connection for air intake filter for 22 kW 30 hp. up to 30 kW 40 hp. machines.
65mm connection for air intake filter for 37.5 kW 50 hp. up to 55 kW 75 hp. machines.
85mm connection for air intake filter for 55 kW 75 hp. up to 110 kW 150 hp. machines.
Complete air filters to suit also available.
FAQs
1. What is the function of a demand valve in a screw compressor?
A demand valve regulates air intake into the compressor, ensuring efficient operation by adjusting airflow according to system demand.
2. How do I choose the correct size demand valve for my compressor?
The size is determined by your compressor’s power rating. Airpower provides valves for machines from 5.5 kW up to 110 kW, with connection sizes from 25 mm to 85 mm.
3. Are Airpower demand valves compatible with multiple compressor brands?
Yes. These valves are designed to fit a wide range of popular screw compressor brands.
4. Do demand valves come with air filters included?
Airpower offers complete air filters to suit demand valves, which can be purchased together or separately depending on your system requirements.
5. How often should a screw compressor demand valve be serviced or replaced?
Regular inspection during routine compressor maintenance is recommended. Replacement is usually required if there are signs of wear, clogging, or reduced airflow performance.
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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