Vacuum Pump 250W
* Power: 250W for efficient operation.
* Vacuuming Capacity: Capable of creating strong vacuum pressure for various applications.
* Compact Size: Designed to be space-efficient and easy to store.
* Durable Construction: Built with sturdy materials for long-lasting performance.
* Versatile Usage: Suitable for both residential and industrial purposes.
* Quiet Operation: Runs with minimal noise for user comfort.
* Easy Maintenance: Simple to clean and maintain for consistent performance.
* Safety Features: Equipped with safety mechanisms to prevent accidents.
* Energy Efficient: Optimized design for low power consumption.
* Portable: Lightweight and portable for convenient transport and use in different locations.
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The 250W Vacuum Pump (approx. 1/3 HP) is a versatile, high-performance tool designed for various professional and industrial applications. This single-stage rotary vane pump is specifically engineered to provide a deep vacuum, making it an essential tool for HVAC/R technicians, resin degassing, vacuum sealing, and laboratory experiments.
Below is the exhaustive product description and technical specifications organized for professional reference.
| Feature | Technical Specification |
| Power Output | 250W (approx. 0.33 HP / 1/3 Horsepower) |
| Flow Rate / Displacement | 2.5 CFM to 3.5 CFM (Dependent on specific model) |
| Ultimate Vacuum | 5 Pa (0.05 mbar) |
| Voltage / Frequency | 220V–240V / 50Hz (Standard) |
| Pump Type | Single-Stage Rotary Vane |
| Oil Capacity | 200ml – 250ml |
| Inlet Port | 1/4" SAE (Standard) |
| Motor Material | Pure Copper Coil for Heat Resistance |
| Casing Material | Heavy-Duty Die-Cast Aluminum Alloy |
| Cooling System | High-Volume Internal Fan for Continuous Use |
| Net Weight | 5.5kg – 6.5kg (Approximate) |
1. Motor & Build Quality
The heart of the pump is a 250W high-torque motor featuring pure copper windings. This ensures the pump doesn't stall under heavy loads and maintains high efficiency during long operation cycles. The aluminum alloy casing is designed for superior heat dissipation, protecting the internal components from overheating.
2. Filtration & Oil Management
Large Oil Sight Glass: Allows for easy monitoring of oil levels and quality (checking for contamination or emulsification).
Oil Mist Filter: The exhaust port is equipped with a filter to significantly reduce the discharge of oil vapor into the workspace.
Drain Valve: Positioned at the bottom for quick and complete oil changes.
3. Advanced Cooling Mechanism
Equipped with an integrated high-velocity cooling fan and a finned aluminum motor housing, this pump is built for stability. This allows the unit to run for extended periods without thermal cutout, which is critical for deep vacuum pulls in large HVAC systems.
| Industry | Specific Use Case |
| HVAC / Refrigeration | Evacuating moisture and air from AC units, refrigerators, and car AC systems before charging with refrigerant. |
| Resin Casting | Degassing silicone, epoxy resin, and polyurethane to ensure bubble-free molds and finished products. |
| Woodworking | Powering vacuum chucks for lathes or vacuum bags for stabilizing wood. |
| Laboratory | Suction filtration, vacuum drying, and general scientific experiments requiring low-pressure environments. |
| Food Processing | Vacuum packaging and preserving to extend shelf life of perishables. |
| Maintenance Task | Frequency / Recommendation |
| Oil Change | Change after every 20-30 hours of use or if oil becomes cloudy/milky. |
| Start-Up Protocol | Ensure oil is filled to the center line before starting. Never run the pump dry. |
| Exhaust Caution | Always use in a well-ventilated area due to minor oil mist discharge. |
| Storage | Seal the inlet and exhaust ports when not in use to prevent moisture and dust from entering the pump. |
| Temperature | Do not operate the pump in temperatures below 5°C as oil viscosity may cause motor strain. |




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