Daeser Pneumatics

Reciprocating air compressor, is a type of positive displacement type of air compressor in which air is sucked into a chamber and compressed with the help of a reciprocating piston.

It is a compressor that uses two interlocking helical screws (rotors) to compress air, and the motor drives these screws directly, ensuring efficient power transmission.

1. Air Intake

   • Atmospheric air enters through the inlet valve.

2. Compression

   • Air gets trapped between two rotating screws:

     • Male rotor

     • Female rotor

   • As the screws rotate, the air volume decreases and pressure increases.

3. Direct Drive System

   • The motor is connected directly to the airend (often via a coupling or integrated shaft).

   • No belts = no power loss.

4. Air Discharge

   • Compressed air is discharged and sent to the air receiver or system.

• No belt or pulley system

• High energy efficiency

• Low maintenance

• Constant air supply (continuous operation)

• Low noise and vibration

• Electric motor

• Airend (rotary screw element)

• Inlet valve

• Oil separator (in oil-lubricated types)

• Cooling system

• Controller panel

• Manufacturing industries

• Textile plants

• Food processing

• Automotive workshops

• Continuous production systems

• Better energy efficiency

• Fewer moving parts → less maintenance

• Longer lifespan

• Stable performance

• Higher initial cost

• Less flexibility in changing speed (unless VFD is used)

It is a compressor where air is drawn in and compressed once in a single cylinder before being delivered to the storage tank or system.

1. Air Intake

   • Atmospheric air enters the cylinder through the suction valve.

2. Compression

   • A piston moves inside the cylinder and compresses the air in one stroke.

3. Delivery

   • Compressed air exits through the delivery valve and goes to the air receiver tank.

• Compression done in one stage only

• Typically used for low to medium pressure (up to about 6–8 bar)

• Simple design

• Suitable for intermittent use

• Cylinder

• Piston

• Crankshaft

• Suction valve

• Delivery valve

• Motor

• Small workshops

• Garages

• Spray painting

• Household or light industrial use

• Pneumatic tools (low pressure)

• Simple construction

• Low initial cost

• Easy maintenance

• Compact size

• Lower efficiency at higher pressure

• More heat generation

• Not suitable for heavy-duty or continuous high-pressure use

DAESER Brand Heatless air dryer is a compressed air drying system designed to remove moisture from compressed air without using external heat. It works on the Pressure Swing Adsorption (PSA) principle, where two desiccant-filled towers alternately dry the air and regenerate the desiccant.

Moisture present in compressed air can damage pneumatic equipment, cause corrosion in pipelines, and reduce overall system efficiency. A heatless air dryer ensures clean, dry, and moisture-free compressed air, making it ideal for industries that require high air quality.

Key Features:

• No external heater required, resulting in lower energy consumption

• Reliable pressure swing adsorption (PSA) technology

• Continuous operation with twin-tower design

• Achieves low dew point (typically up to -40°C)

• Compact, durable, and easy to maintain

• Automatic switching valves for uninterrupted airflow

Applications:

• Manufacturing industries

• Pharmaceutical plants

• Food & beverage processing

• Textile industries

• Automotive and painting lines

• Instrument air systems

Benefits:

• Prevents corrosion and moisture damage

• Improves equipment life and performance

• Ensures consistent air quality

• Low maintenance and operational cost