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Mfr. Part #: DOA-V502-BN
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The Gast DOA-V502-BN is a compact, oil-less diaphragm vacuum pump designed to provide reliable vacuum performance for industrial, laboratory and medical equipment applications. Its durable, rugged construction and low-noise, low-vibration operation make it well suited for noise-sensitive environments where dependable performance and low power consumption are important. Designed for efficiency and reliability, the DOA-V502-BN features an oil-less diaphragm design that eliminates the need for lubrication and helps provide clean, contaminant-free operation. Its chemically resistant PPS thermoplastic and EPDM rubber components provide resistance to chemicals, heat and corrosion, while airtight sealing supports dependable vacuum performance. Built-in thermal protection, electromagnetic interference (EMI) suppression and a 100% duty cycle make it suitable for continuous operation in laboratory equipment, medical devices, environmental monitoring and industrial automation applications. The 1/8 HP DOA-V502-BN operates on 220–240V AC and provides a maximum vacuum of 24 inHg. The unit weighs 14.5 pounds and carries cUR, CSA and CE approvals, along with a one-year warranty. For assistance determining whether the DOA-V502-BN is the right vacuum pump for your application, TECO Technology Applications Specialists can help with product selection, sizing and replacement requirements. TECO is also an authorized Gast repair facility, providing service and repair support for Gast pumps, compressors and other serviceable equipment.
The Gast DOA-V502-BN is an oil-less diaphragm pump designed for applications requiring clean, dry air with low noise levels. Its compact and rugged construction makes it suitable for various industrial, medical, and laboratory environments.
Key Features:
- Oil-less operation ensures discharge air remains free of lubricant contamination
- Motor-mounted design for compactness and durability
- Quiet operation, ideal for noise-sensitive environments
- Low maintenance with minimal moving parts
- Operating voltage: 220V AC
- Thermal protection for motor safety
- Duty cycle: 100%
- Maximum vacuum: 24 inHg (813.2 mbar)
- Maximum flow rate: 0.9 cfm (1.53 m³/h)
- Weight: 14.5 lbs (6.58 kg)
Common Applications:
- Laboratory environments requiring precise vacuum control
- Medical and dental equipment requiring clean, oil-free air
- Environmental testing and sampling applications
- Packaging and material handling requiring controlled air pressure
- Analytical instruments and equipment in research and development settings
Thermal Protection | YES |
Operating Voltage | 220/240 |
Regulatory Approval | cUR, CSA, CE |
Flow @ 50Hz | Approximately 1.0 CFM (free flow) |
Max Vacuum | 24 inHg |
Horsepower | 1/8 HP |
Current | 2.2 Amps |
Weight | 14.5 lbs (6.58 kg) |
Duty Cycle | 100% |
Warranty | 1 Year |




ID #: 26516