The PFEIFFER VACUUM PM P03 942 is a heavy-duty industrial turbomolecular pump engineered for high-vacuum generation in analytical, coating, and semiconductor process systems. It uses a multi-stage rotor-stator assembly with precisely machined blades to impart momentum to gas molecules, compressing them from the high-vacuum inlet to the forevacuum outlet. The PM P03 942 is designed for continuous operation with a permanently lubricated bearing system and integrated thermal management, ensuring stable pumping speeds and low ultimate pressure.
PFEIFFER VACUUM PM P03 942 Technical Specifications
| Parameter | Specification |
|---|---|
| Pump Type | Turbomolecular pump |
| Flange Inlet | DN 100 ISO-K / CF (application-dependent) |
| Flange Outlet | DN 25 ISO-KF |
| Pumping Speed (N₂) | Approx. 250–300 L/s |
| Ultimate Pressure | < 1 × 10⁻⁸ mbar (with appropriate backing) |
| Max. Forevacuum Pressure | 0.1–0.5 mbar |
| Operating Speed | Up to 60,000 rpm |
| Bearing Type | Hybrid ceramic / permanently lubricated |
| Cooling | Air or water (model-dependent) |
| Mounting Orientation | Any position |
Key Engineering Features
- Multi-stage turbomolecular rotor for high compression ratio and low ultimate pressure
- Precision-balanced rotor assembly for vibration-free operation at high rotational speeds
- Integrated purge gas port to protect bearings in corrosive or particulate processes
- Thermal isolation and cooling options for extended duty cycles
- Compatible with Pfeiffer Vacuum controllers and backing pumps for turnkey vacuum systems
Industrial Applications
- Mass spectrometry and surface analysis instruments
- Semiconductor manufacturing: PVD, CVD, ion implantation
- High-vacuum coating and thin-film deposition
- Research and development laboratories
- Leak detection and vacuum furnace systems
For technical inquiries, dimensional drawings, or replacement support for PFEIFFER VACUUM PM P03 942, contact the Pro-Hydraulic engineering team.
PRODUCT IMAGES


PFEIFFER VACUUM PM P03 942 Turbomolecular Pump
⚡ Emergency Plant Maintenance & Ready-to-Ship Notice:
- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the PFEIFFER VACUUM PM P03 942 Turbomolecular Pump. This precision-engineered vacuum component delivers reliable high-vacuum performance and tight process control for demanding industrial systems.