GMK-VPM permanent magnet frequency conversion micro-oil screw vacuum pump, GMK-PMW permanent magnet frequency conversion oil-free screw vacuum pump, dry oil-free screw vacuum pump and water circulation vacuum pump unit
I. GMK-VPM Permanent Magnet Variable Frequency Oil-Injected Screw Vacuum Pump — High-Pressure & High-Efficiency Industrial Main Model
Core Positioning: An energy-saving industrial vacuum pump designed specifically for high vacuum requirements and continuous operation, balancing vacuum performance with operational costs.
Technical Highlights:
Adopts permanent magnet variable frequency drive technology, reducing energy consumption by 20%-30% compared to traditional models, suitable for intelligent speed regulation in flow fluctuation scenarios;
Ultimate pressure as low as 0.06 KPa.A, rated pumping speed ranging from 576-5400 m³/H, and motor power of 7.5-75 Kw, meeting vacuum needs from small-to-medium production lines to large-scale units;
Oil-injected lubrication design ensures high vacuum stability, equipped with a high-efficiency oil mist separation system, oil mist emission concentration below 5ppm, balancing vacuum degree and environmental friendliness;
Modular structure with flexible inlet/outlet size configuration (DN80-DN200/DN65-DN100), easy installation and maintenance, mean time between failures (MTBF) exceeding 20,000 hours.
Application Fields: Mechanical manufacturing, vacuum coating, transformer oil impregnation, metallurgical degassing and other industrial scenarios requiring high vacuum degree and allowing trace oil mist.
II. GMK-PMW Permanent Magnet Variable Frequency Oil-Free Screw Vacuum Pump — High-Cleanliness & Energy-Saving Premium Model
Core Positioning: A high-end vacuum equipment with high cleanliness and low operation and maintenance costs, meeting strict environmental protection and process requirements.
Technical Highlights:
Oil-free dry operation design, zero lubricating oil involvement in the working chamber, completely eliminating oil pollution, exhaust cleanliness compliant with GMP standards, supporting gas recovery and reuse;
Permanent magnet variable frequency system achieves 30%-100% linear speed regulation, saving over 4800 kWh of electricity annually; combined with the feature of no oil replacement, annual operation and maintenance costs are reduced by more than 6800 yuan;
Twin-screw non-contact meshing structure with PTFE anti-corrosion coating, capable of handling complex gases containing water vapor and slight dust, ultimate pressure as low as 1 Pa;
Operating noise as low as 50-65 dB(A), compact cabinet design with IP54 protection rating, suitable for layout in precision workshops and clean rooms.
Application Fields: Semiconductor manufacturing, pharmaceutical freeze-drying, food packaging, lithium battery liquid injection and other industries with strict requirements for cleanliness and energy saving.
III. Dry Oil-Free Screw Vacuum Pump — Multifunctional Clean Vacuum Solution
Core Positioning: An oil-free vacuum equipment suitable for full scenarios, featuring high adaptability and long service life.
Technical Highlights:
Adopts "male and female screws rotating synchronously in opposite directions" oil-free compression principle, no friction loss in the pump chamber, service life up to 50,000 hours, maintenance frequency reduced by 60% compared to traditional pumps;
Wide pumping speed range (0.5-500 m³/min), ultimate vacuum degree as low as 10⁻² mbar, can be used independently or combined with Roots pumps and molecular pumps to form a high vacuum unit, with ultimate vacuum up to 10⁻⁵ Pa;
Integrated water cooling system controls exhaust temperature to avoid rotor deformation, equipped with gas ballast valve design for efficient handling of condensable gases, suitable for corrosive, flammable and explosive complex working conditions;
Plug-and-play installation, pre-wired electrical system design, supporting IoT remote monitoring to real-time grasp operation status and maintenance cycles.
Application Fields: Chemical distillation, photovoltaic panel lamination, LED manufacturing, plasma processing, laboratory vacuum systems and other diversified scenarios.
IV. Water-Circulating Vacuum Pump Unit — Economical & Practical Basic Vacuum Model
Core Positioning: A low-cost, easy-to-operate basic vacuum solution, focusing on stability, reliability and cost-effectiveness.
Technical Highlights:
Uses water as the working medium, forming a "liquid piston" through centrifugal water ring to realize the cycle of gas suction-compression-discharge, ultimate vacuum degree of 2000-4000 Pa, which can be increased to 270-670 Pa after connecting an atmospheric ejector in series;
The unit is equipped with 1-3 pumps as standard, supporting automatic start-stop and standby switching, automatically adjusting when the system vacuum degree fluctuates by ±10 KPa to ensure pressure stability;
Compact structure, lightweight, operating noise below 70 dB(A), no complex maintenance required, only regular supplement of circulating water, suitable for continuous or intermittent working conditions;
The water cooling system has three functions: heat dissipation, sealing and cooling, suitable for medium and low vacuum requirements, water saving efficiency increased by more than 90% compared to traditional models.
Application Fields: Vacuum filtration, material drying, laboratory suction filtration, small packaging machines, sewage treatment aeration and other basic vacuum applications.
Common Advantages & Technical Guarantees
Energy-Saving Commonality: Permanent magnet variable frequency models are all equipped with VSD⁺ intelligent speed regulation technology, achieving significant energy-saving effects under partial load conditions; oil-free/water-circulating models reduce medium consumption from the source, lowering operational costs;
Reliability Design: All models adopt modular integration and anti-corrosion treatment, suitable for working environments of -10℃-40℃, and can operate continuously for 24 hours;
Industry Compliance: Meet semiconductor SEMI standards, pharmaceutical GMP standards, food HACCP standards, and environmental protection indicators comply with national industrial waste gas emission requirements.
