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ELECTRONICS VACUUM 120VAC W/ACC |
378 |
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VACUUM HEPA 120VAC ESD SAFE |
6 |
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ELECTRONICS VACUUM 120VAC W/ACC |
3 |
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ELECTRONICS VACUUM 220VAC W/ACC |
19 |
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ELECTRONICS VACUUM 220VAC W/ACC |
0 |
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ELECT VAC PORTABLE 220VAC W/ACC |
0 |
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ELECTRONICS VACUUM 120VAC W/ACC |
0 |
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ELECT VAC PORTABLE 120VAC W/ACC |
0 |
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ELECTRONICS VACUUM 120VAC W/ACC |
0 |
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Vacuum pumps are mechanical devices designed to remove gas molecules from sealed enclosures, creating a partial vacuum. They play a critical role in scientific research, industrial processes, and advanced manufacturing by enabling pressure control, contamination prevention, and material manipulation. Modern vacuum technology is essential for semiconductor fabrication, medical equipment, and space simulation systems.
| Type | Functional Characteristics | Application Examples |
|---|---|---|
| Rotary Vane Pump | Oil-lubricated, high pumping speed, low ultimate vacuum | Semiconductor thin-film deposition |
| Screw Vacuum Pump | Dry compression, oil-free operation, corrosion resistance | Chemical vapor deposition (CVD) |
| Turbo Molecular Pump | High-speed rotor, ultra-high vacuum capability | Mass spectrometers, electron microscopes |
| Diaphragm Pump | Oil-free, low maintenance, moderate vacuum level | Laboratory sample preparation |
| Cryogenic Pump | Superconducting cooling, captures gas molecules | Particle accelerators, fusion reactors |
Typical vacuum pump systems consist of: - Motor-driven compression mechanism (rotary/oscillating components) - Vacuum chamber interface flanges - Gas ballast valves for moisture control - Oil filtration/recirculation systems (for wet pumps) - Electronic pressure sensors and control units - Exhaust silencers and emission filters - Vibration damping mounts
| Parameter | Description | Importance |
|---|---|---|
| Pumping Speed (m /h) | Gas volume processed per unit time | Determines system evacuation time |
| Ultimate Vacuum (mbar) | Minimum achievable pressure level | Critical for process quality control |
| Power Consumption (kW) | Operational energy requirements | Impacts operating costs |
| Material Compatibility | Resistance to chemical/media exposure | Ensures operational safety |
| Noise Level (dB) | Acoustic emissions during operation | Affects workplace environment |
Primary industries include: - Semiconductor manufacturing (etching machines, deposition systems) - Medical technology (MRI scanners, radiotherapy equipment) - Scientific research (particle accelerators, vacuum ovens) - Food packaging (modified atmosphere systems) - Aerospace (space simulation chambers) - Metallurgy (vacuum furnaces for heat treatment)
| Manufacturer | Product Series | Key Features |
|---|---|---|
| Busch Vacuum Solutions | R5 rotary vane series | 10-5 mbar ultimate vacuum, ISO 9001 certified |
| Edwards Vacuum | nXDS dry scroll pumps | Oil-free, 10-2 mbar performance |
| Pfeiffer Vacuum | HiCube turbomolecular pumps | 2,880 l/s pumping speed, smart control |
| Atlas Copco | GHS VSD+ screw pumps | Variable speed drive, energy-efficient |
Key consideration factors: - Required vacuum level vs. pump's ultimate vacuum rating - Process gas composition (corrosive/reactive gases) - Throughput requirements (pumping speed vs. chamber volume) - Operating environment (temperature, humidity) - Maintenance intervals and spare parts availability - Energy efficiency class and total cost of ownership - Compatibility with existing system interfaces
Current development directions: - Smart vacuum systems with IoT integration for predictive maintenance - Increased adoption of dry vacuum technology to reduce environmental impact - Development of hybrid pumps combining multiple vacuum principles - Nanocoating technologies for improved corrosion resistance - Miniaturization for portable analytical instrument applications - Energy recovery systems for industrial vacuum networks