
4.4 × 10⁻³ Pa High Vacuum System Molecular Pump Unit
The molecular pump unit high vacuum system uses a molecular pump as the main working pump, with a mechanical pump serving as the forepump for the molecular pump. The vacuum system consists of a mechanical pump equipped with a venting device, and it mainly includes connecting pipelines, a molecular pump, and a...

Introduction
The molecular pump unit high vacuum system uses a molecular pump as the main working pump, with a mechanical pump serving as the forepump for the molecular pump. The vacuum system consists of a mechanical pump equipped with a venting device, and it mainly includes connecting pipelines, a molecular pump, and a mechanical pump, all connected using standard components made of stainless steel with electropolished treatment. The system is designed with a pre-pumping function.
Technical Specificatons of Molecular Pump Unit
- Ambient Temperature: 5~32°C
- Relative Humidity: ≤85%
- Operating Voltage: 220V ±10%, 50~60Hz
- Power: 1 kW
- Overall System Ultimate Vacuum: 4.4 x 10⁻³ Pa
- Dimensions: 850 x 600 x 650 mm
Applications
1. Thin Film Deposition:
- Used in processes like Physical Vapor Deposition (PVD) and Chemical Vapor Deposition (CVD) for producing thin films on substrates in industries such as semiconductors, optics, and solar cells.
2. Material Science Research:
- Essential in high vacuum environments for experimental setups such as electron microscopy, surface analysis, and the study of material properties at the atomic level.
3. Vacuum Coating:
- Employed in the production of high-quality coatings on products like optics, mirrors, lenses, and electronic components where precise control over film thickness is required.
4. Vacuum Furnaces:
- Used in high-temperature applications such as sintering, annealing, and heat treatment processes, where controlled atmospheres with minimal contamination are essential for materials like ceramics and metals.
5. Space Simulation Chambers:
- Enables simulation of the vacuum conditions found in outer space, used for testing spacecraft components and satellite systems.
6. Mass Spectrometry and Analytical Instruments:
- High vacuum systems are crucial for maintaining the required pressure levels in mass spectrometers, X-ray diffractometers, and other precision analytical tools.
7. Plasma Processing:
- Supports applications in plasma etching, ion implantation, and other plasma-assisted material processing techniques used in the fabrication of electronic devices.
8. Vacuum Packaging:
- Employed in vacuum packaging systems where ultra-low pressure levels are needed to preserve sensitive electronics or pharmaceutical products.
9. Accelerator Facilities:
- Utilized in particle accelerators and beamlines to create and maintain the necessary vacuum conditions for high-energy particle physics experiments
Benefits
1. High Precision: Enables accurate control of vacuum conditions for applications like thin film deposition and material analysis.
2. Efficient Operation: Fast evacuation times improve productivity in processes like coating and plasma treatment.
3. Stable Vacuum: Maintains consistent vacuum levels, essential for uninterrupted operations such as space simulation and heat treatment.
4. Low Contamination: Stainless steel and electropolished components reduce contamination, ensuring clean environments.
5. Versatile Applications: Suitable for a wide range of industries, including electronics, research, and high-tech manufacturing.
6. Energy Efficient: The molecular pump design reduces energy consumption while delivering reliable performance.
7. Durable Design: High-quality materials extend the system’s lifespan and reduce maintenance needs.
Specifications
Figures below are the manufacturer data for this model. Anything not listed is confirmed in writing with the quotation rather than estimated here.
| Main Configuration | ZYLAB – A System | ZYLAB – B System |
|---|---|---|
| Mechanical Pump | Pumping Speed: 4 L/S Motor Power: 400 W Ultimate Pressure: 6 x 10^-2 Pa | Pumping Speed: 6 L/S Motor Power: 500 W Ultimate Pressure: 6 x 10^-2 Pa |
| Molecular Pump | Pumping Speed: 100 L/S Ultimate Pressure: 6 x 10^-6 Pa Startup Time: < 2 min Rated Speed: 43,000 rpm Cooling Method: Air/Water Cooling | Pumping Speed: 600 L/S Ultimate Pressure: 6 x 10^-6 Pa Startup Time: < 2 min Rated Speed: 27,000 rpm Cooling Method: Air/Water Cooling |
| Molecular Pump Control | Voltage: 200~240 V Output Power: 250 W Acceleration Time: 3 min Output Frequency: High Speed 704 Hz ±10%, Low Speed 430 Hz ±10% | Voltage: 380~410 V Output Power: 400 W Acceleration Time: 3 min Output Frequency: High Speed 704 Hz ±10%, Low Speed 430 Hz ±10% |
| Composite Vacuum Gauge | Operating Voltage: 220 V, 50~60 Hz Resistance Gauge Resistance: ~85 Ohm Automatic Protection (Ionization): >10 Pa Ionization Gauge Measurement Range: 1 x 10^0 to 1 x 10^-5 Pa Resistance Gauge Measurement Range: 10^5 to 10^-1 Pa | Operating Voltage: 220 V, 50~60 Hz Resistance Gauge Resistance: ~85 Ohm Automatic Protection (Ionization): >10 Pa Ionization Gauge Measurement Range: 1 x 10^0 to 1 x 10^-5 Pa Resistance Gauge Measurement Range: 10^5 to 10^-1 Pa |
| High Vacuum Manual Isolation Valve | Sealed with fluororubber ring, quick-release flange interface, leakage rate up to 5 x 10^-9 Pa·m^3/s | Sealed with fluororubber ring, quick-release flange interface, leakage rate up to 5 x 10^-9 Pa·m^3/s |
| Connecting Pipelines | Made of full stainless steel, electropolished, with welding leakage rate better than 1 x 10^-9 Pa·m^3/s | Made of full stainless steel, electropolished, with welding leakage rate better than 1 x 10^-9 Pa·m^3/s |
4.4 × 10⁻³ Pa High Vacuum System Molecular Pump Unit In Detail

Processes This Unit Supports
These are the applications ZYLAB lists this model under. Each link opens the full equipment set for that process, which is useful when a project needs more than one machine.
Who Orders It
Fields this model already works in, plus what ZYLAB puts behind it: a 2-year warranty on most products, glass excluded, spare parts in stock and free application support by WhatsApp or email.
Related Projects
Related Equipment
Models from the same family and the same processes, in case a different chamber size or temperature range fits better.

High-Performance Two-Stage Rotary Vane Vacuum Pump for Laboratory

High-Precision Digital Vacuum Gauge

High-Speed Direct-Coupled Lab Mechanical Vacuum Pump – 5×10⁻² Pa Ultimate Pressure

Lab 10pa Direct-Drive Rotary Vane Vacuum Pump for Tube Furnace

Rotary Vane Vacuum Pump for Vacuum Glove Box

MP-401 Top Quality Diaphragm Vacuum Pump with Special Filter

GM-2 High Speed 4cfm Diaphragm Vacuum Pump

GM-1.0 2cfm Laboratory Oilless Vacuum Pump
Ordering 4.4 × 10⁻³ Pa High Vacuum System Molecular Pump Unit
What is 4.4 × 10⁻³ Pa High Vacuum System Molecular Pump Unit typically used for?
The molecular pump unit high vacuum system uses a molecular pump as the main working pump, with a mechanical pump serving as the forepump for the molecular pump. The vacuum system consists of a mechanical pump equipped with a venting device, and it mainly incl
How quickly can 4.4 × 10⁻³ Pa High Vacuum System Molecular Pump Unit be shipped?
Most standard ZYLAB models are held in stock. After testing and packing we normally ship 4.4 × 10⁻³ Pa High Vacuum System Molecular Pump Unit within 3 to 7 days. Customised builds are scheduled after the drawing is confirmed, and we give you the date in writing before the order is placed.
Is there a minimum order quantity for 4.4 × 10⁻³ Pa High Vacuum System Molecular Pump Unit?
No. ZYLAB has no minimum order requirement, so a single unit of 4.4 × 10⁻³ Pa High Vacuum System Molecular Pump Unit is a normal order. Occasionally a component supplier imposes a minimum quantity of their own, and we tell you as soon as we are notified.
Can we get technical help before ordering 4.4 × 10⁻³ Pa High Vacuum System Molecular Pump Unit?
Yes, and it is free. Our technical staff help with model selection, troubleshooting, manuals and application questions whether or not you have ordered from us before. Write to [email protected] or message us on WhatsApp.
What if 4.4 × 10⁻³ Pa High Vacuum System Molecular Pump Unit is damaged in transit?
Contact your ZYLAB sales engineer immediately with photographs. We arrange a substitute delivery promptly and handle the claim with the carrier.
Quote For 4.4 × 10⁻³ Pa High Vacuum System Molecular Pump Unit
Tell us the sample, the temperature and the atmosphere. You get the configuration, the price and the despatch date in one reply.
