Vacuum Pumps

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A Double Vacuum Pump** (also called a Two-Stage Vacuum Pump) is a high-performance vacuum system that operates in two compression stages to achieve deeper vacuum levels and greater efficiency than a single-stage pump. It is used where a high or very high vacuum is needed in a reliable and continuous process.

• Stage 1: The first pump stage removes the bulk of the air or gas from the system, lowering the pressure significantly.

• Stage 2: The second stage further reduces the pressure, enabling the pump to reach lower ultimate vacuum levels (typically below 1 micron or 0.001 mbar).

This sequential operation allows for a more efficient evacuation process and stable vacuum maintenance.

• Stages: Two-stage compression system

• Vacuum Level: Ultimate vacuum up to 0.001 mbar (1 micron) or better

• Displacement (Flow): Typically ranges from 50 to 500 m³/hr (depending on HP and design)

• Power: Available in 2 HP to 10 HP and beyond

• Cooling: Air-cooled or water-cooled variants

• Construction: Cast iron or aluminum body, with high-grade sealing and rotor materials

• Lubrication: Oil-lubricated or dry (oil-free) configurations

• Motor: 3-phase induction motor (single-phase for smaller models)

• Pharmaceuticals – Vacuum distillation, filtration, drying

• HVAC & Refrigeration – System evacuation and charging

• Food Industry – Vacuum packaging and freeze drying

• Chemical & Petrochemical – Degassing, vacuum transfer

• Laboratories – Research, testing, and sample preparation

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• INDO-AIR Vacuum pump has a universal design with the feature to convert it to a single stage compressor. This feature is very useful for large tank leakage test under vacuum or under pressure.
• Dry type vacuum pump-only useful for handling of gases.
• Easy to install requiring, no foundation.
• Higher efficiency compared to other types or other makes of vacuum pumps.
• Low maintenance.

Additional Information:

• Delivery Time: 1-2 weeks

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A Double Stage Vacuum Pump (also known as a two-stage vacuum pump) is a mechanical device designed to remove gas molecules from a sealed volume, thereby creating a vacuum. The two-stage design allows it to reach deeper vacuum levels and operate more efficiently than single-stage pumps. It is commonly used in applications that require high vacuum and reliable performance.

• Power Rating: 2 HP to 10 HP

• Stages: Two-stage configuration for improved vacuum efficiency and lower ultimate pressure

• Vacuum Level: Can achieve vacuum levels up to 0.001 mbar (or 1 micron) depending on the model

• Displacement (Flow Rate): Ranges from 50 to 500 m³/hr (varies by HP rating)

• Cooling: Air-cooled or water-cooled options available

• Drive Type: Belt drive or direct-coupled

• Lubrication: Oil-lubricated for better sealing and long operational life

• Construction: Heavy-duty cast iron or aluminum housing for durability

• Motor Type: Three-phase induction motor (standard), single-phase options available for lower HP

In a double stage pump:

1. The first stage creates a partial vacuum.

2. The second stage takes the output of the first and compresses it further, achieving a deeper vacuum level.
   This design enhances pumping efficiency, especially at low pressures.

• Pharmaceuticals – Vacuum drying, distillation, filtration

• Laboratories – High-vacuum systems, freeze drying

• Chemical processing – Degassing, solvent recovery

• Refrigeration and HVAC – Evacuation of refrigeration systems

• Automotive – Brake line evacuation, air conditioning service

• Food industry – Vacuum packaging and processing

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