Industrial Screw Vacuum Pumps – Oil-Injected (0.35 mbar) & Oil-Free (20–80 kPa) Series, 5.5–110 kW
Introduction
Our high-efficiency permanent magnet screw vacuum pump represents the next generation of industrial vacuum technology. Engineered with a premium permanent magnet motor, intelligent frequency conversion system, and multi-stage filtration, this unit delivers superior vacuum performance while slashing energy consumption by up to 60% compared to traditional vacuum pumps. Designed for 24/7 continuous operation, it offers exceptional reliability, ultra-low maintenance, and a maximum vacuum degree of -0.098MPa—far exceeding the industry standard of -0.07MPa.
Core Advantages
| Multiple Filtration | Three-stage filtration minimizes air impurities and protects downstream equipment |
| Energy Saving | Saves 50-60% electricity compared to traditional vacuum pumps |
| Constant Pressure | Constant speed pumping solves unstable vacuum issues |
| Higher Vacuum Degree | -0.098MPa vs. market standard -0.07MPa—superior performance |
| Easy to Use | Simple structure for easy installation, operation, and maintenance |
| Soft Start | Reduces mechanical stress and extends equipment life |
| Ultra-Low Oil Loss | Special intake valve minimizes oil circuit loss, improving overall efficiency |
| Emergency Protection | Auto shutoff prevents oil injection during emergencies |
| Low Noise | Compact housing with sound insulation cotton reduces operational noise |
| Durable Construction | Iron pipe system eliminates leaks and maintenance worries |
Feature
| Feature | Description |
|---|---|
| Permanent Magnet Motor | Insulation Class F, Protection Grade IP55. Soft start ensures stable flow. Wider constant torque and weak magnetic range. Efficiency is 20-30% higher than ordinary motors. |
| Integrated Frequency Converter | Top domestic frequency conversion system with wide speed range and high precision. Ensures stable pressure transmitter signal transmission. |
| Intelligent Touch Controller | High-precision color screen with clear graphic display. Minimal manual operation. Indicates maintenance info, fault alarm, and safe shutdown alarm. |
| Special Intake Valve | Auto-controls opening to ensure fuel injection and lubricating oil circulation. Ultra-low oil circuit loss. Normally open solenoid valve with emergency shutdown to prevent oil injection. |
| Cooling System | Large heat exchange area design prevents high-temperature damage. Reduces oil emulsification and coking. |
| Air Filter | Three-stage filtration ensures maximum air purification and standard emission. Removes steam and fine dust. Ultimate vacuum reaches 1Pa. |
| Oil & Gas Separator | Vertical tangential cyclone separation structure. Complete oil-gas separation. Easy filter replacement with reduced maintenance costs. |
| Sound Insulation | Compact noise-reduction housing. No amplitude during operation. High-quality insulation cotton for enhanced noise control. |
| Iron Pipe System | Iron pipes resist high/low temperature and high pressure. Suitable for harsh conditions. Completely leak-free and maintenance-free. |
Oil-Injected Screw Vacuum Pumps
| Model | Motor Power (kW) | Flow (m³/h) | Ultimate Vacuum mbar (a) | Inlet Size | Outlet Size | Dimensions (mm) |
|---|---|---|---|---|---|---|
| VPO-5.5PM | 5.5 | 413 | 0.35 | DN80 | DN65 | 1510×880×1465 |
| VPO-7.5PM | 7.5 | 570 | 0.35 | DN80 | DN65 | — |
| VPO-11PM | 11 | 720 | 0.35 | DN100 | DN65 | 1850×920×1490 |
| VPO-15PM | 15 | 894 | 0.35 | DN100 | DN65 | 2000×1000×1789 |
| VPO-18.5PM | 18.5 | 1050 | 0.35 | DN150 | DN100 | — |
| VPO-22PM | 22 | 1290 | 0.35 | DN150 | DN100 | — |
| VPO-30PM | 30 | 1620 | 0.35 | DN150 | DN100 | 2300×1120×1800 |
| VPO-37PM | 37 | 1800 | 0.35 | DN150 | DN100 | — |
| VPO-45PM | 45 | 2622 | 0.35 | DN200 | DN150 | 2860×1650×2110 |
| VPO-55PM | 55 | 3709 | 0.35 | DN200 | DN150 | — |
| VPO-75PM | 75 | 4244 | 0.35 | DN250 | DN200 | 3300×2215×2350 |
| VPO-90PM | 90 | 5167 | 0.35 | DN250 | DN200 | — |
Oil-Free Screw Vacuum Pumps
| Model | Motor Power (kW) | Flow (m³/h) | Ultimate Vacuum (kPa) | Inlet Size | Outlet Size | Dimensions (mm) |
|---|---|---|---|---|---|---|
| VP0F-5.5PM | 5.5 | 210 | 20–80 | 65 | 50 | 1600×1200×1580 |
| VP0F-7.5PM | 7.5 | 294 | 20–80 | 65 | 50 | — |
| VP0F-11PM | 11 | 432 | 20–80 | 80 | 65 | — |
| VP0F-15PM | 15 | 708 | 20–80 | 80 | 65 | 2200×1400×1880 |
| VP0F-18PM | 18 | 936 | 20–80 | 100 | 80 | — |
| VP0F-22PM | 22 | 1092 | 20–80 | 100 | 80 | — |
| VP0F-30PM | 30 | 1548 | 20–80 | 150 | 100 | — |
| VP0F-37PM | 37 | 1758 | 20–80 | 150 | 100 | 2500×1600×1880 |
| VP0F-45PM | 45 | 2232 | 20–80 | 150 | 125 | — |
| VP0F-55PM | 55 | 2766 | 20–80 | 150 | 125 | — |
| VP0F-75PM | 75 | 3660 | 20–80 | 200 | 150 | — |
| VP0F-90PM | 90 | 4560 | 20–80 | 200 | 150 | 3000×1600×1880 |
| VP0F-110PM | 110 | 5580 | 20–80 | 250 | 200 | — |
Application
| Packaging | Vacuum forming, blister packaging, shrink wrapping |
| Electronics | PCB lamination, vacuum drying, component handling |
| Medical | Vacuum suction, central vacuum systems, sterilization |
| Pharmaceutical | Freeze drying, distillation, material conveying |
| Food Processing | Freeze drying, vacuum packaging, degassing |
| Woodworking | CNC vacuum clamping, dust extraction |
| Printing | Paper handling, plate making, laminating |
| Laboratory | Vacuum ovens, filtration, degassing equipment |
FAQ
Q1: How much energy can I actually save?
A: The permanent magnet motor is 20-30% more efficient than ordinary motors. Combined with intelligent frequency control, the total electricity savings reach 50-60% compared to traditional vacuum pumps.
Q2: What is the maximum vacuum degree?
A: Our unit achieves -0.098MPa, significantly higher than the market standard of -0.07MPa. Ultimate vacuum can reach 1Pa with the three-stage filtration system.
Q3: What are the motor specifications?
A: Insulation Class F, Protection Grade IP55. The motor features soft start, wide constant torque range, and stable flow throughout operation.
Q4: Does it require frequent maintenance?
A: No. The iron pipe system is completely leak-free and maintenance-free. The oil-gas separator features easy filter replacement, reducing maintenance costs significantly.
Q5: What happens during an emergency shutdown?
A: The normally open solenoid valve automatically closes to prevent oil injection, protecting both the equipment and operators.
Q6: How does the controller help operators?
A: The intelligent color touch screen shows clear graphics, maintenance reminders, fault alarms, and safe shutdown warnings—minimal manual input required.
Q7: Can it handle harsh working conditions?
A: Yes. The iron oil and air pipe system resists high temperature, low temperature, and high pressure, making it suitable for demanding industrial environments.
Q8: How does the cooling system perform?
A: Large heat exchange area design effectively prevents overheating, reducing oil emulsification and coking for longer service life.
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