Product Overview
The PFEIFFER VACUUM PM 143 451-T is a precision-engineered vacuum isolation valve designed for reliable shut-off and control of gas flow in vacuum systems. Manufactured by Pfeiffer Vacuum, a global leader in vacuum technology, this valve operates as an electropneumatically actuated process valve, providing tight sealing and rapid response in demanding industrial and research environments. Its robust construction ensures leak-tight performance across a wide pressure range, making it an essential component for vacuum pump protection, chamber isolation, and process sequencing in high-vacuum applications.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Vacuum Isolation Valve (Process & Pneumatic Valve) |
| Model Designation | PM 143 451-T |
| Operating Pressure | Vacuum to 1 bar (absolute), suitable for rough to high-vacuum ranges |
| Mounting & Connection | Standard ISO-KF / CF flange interface (depending on configuration) |
| Actuation Type | Electropneumatic (solenoid pilot valve with pneumatic actuator) |
| Seal Material | FKM (Viton) or PTFE bellows-sealed options for chemical compatibility |
| Leak Rate | < 1 × 10⁻⁹ mbar·L/s (helium leak-tight) |
| Response Time | Fast closing/opening, typically < 1 second |
| Body Material | Stainless Steel (AISI 304/316) for corrosion resistance |
| Temperature Range | Up to 200°C (depending on seal material) |
Engineering Features & Advantages
- Precision Performance: Bellows-sealed or elastomer-sealed design ensures high conductance and minimal particle generation, ideal for contamination-sensitive vacuum processes.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with a robust stainless steel body and tested cycle life exceeding 1 million operations.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original Pfeiffer Vacuum OEM standards, ensuring drop-in replacement without modification.
- Electropneumatic Actuation: Provides rapid, repeatable open/close cycles with low power consumption and compatibility with standard PLC control systems.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original PFEIFFER standards, allowing straightforward retrofit into existing hydraulic systems without rework.
Typical Industrial Applications
Its robust construction ensures leak-tight performance across a wide pressure range, making it an essential component for vacuum pump protection, chamber isolation, and process sequencing in high-vacuum applications.
PRODUCT IMAGES
PFEIFFER VACUUM PM 143 451 -T Vacuum Valve
⚡ 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 genuine PFEIFFER VACUUM PM 143 451 -T Vacuum Valve. This Germany-made hydraulic component features a precise sealing mechanism, delivering leak-free, reliable fluid control for heavy-duty industrial systems.