Product Overview
The Pfeiffer Vacuum UDV 140 / PF 152 032 is a precision-engineered vacuum isolation valve designed for high-vacuum process control in demanding industrial and research environments. Manufactured by Pfeiffer Vacuum, a global leader in vacuum technology, this valve operates as a pneumatically actuated, bellows-sealed isolation valve that provides reliable shut-off between vacuum chambers, pumps, and process lines. The UDV 140 series is specifically engineered to deliver leak-tight performance in the high and ultra-high vacuum range, making it an essential component in semiconductor fabrication, thin-film deposition, and analytical instrumentation systems. Its robust construction ensures minimal outgassing and particle generation, preserving the integrity of sensitive vacuum processes.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Vacuum Isolation Valve (Pneumatic Process Valve) |
| Model Designation | UDV 140 / PF 152 032 |
| Manufacturer | Pfeiffer Vacuum |
| Valve Actuation | Pneumatic (compressed air), normally closed (NC) configuration |
| Sealing Principle | Bellows-sealed stem with elastomer or metal bonnet seal |
| Flange Connection | DN 140 ISO-K / ISO-F compatible high-vacuum flange |
| Operating Pressure Range | High vacuum to 1 bar absolute (overpressure) |
| Leak Rate | < 1 × 10⁻⁹ mbar·l/s (helium) |
| Mounting & Connection | Standard ISO-K / ISO-F flange interface |
| Body Material | Stainless steel (AISI 304 / 316L) |
| Pneumatic Supply Pressure | Typically 4 – 7 bar (dry, oil-free compressed air) |
Engineering Features & Advantages
- Precision Vacuum Sealing: The bellows-sealed stem design isolates the actuator mechanism from the vacuum environment, eliminating contamination and ensuring leak-tight isolation with helium leak rates below 1 × 10⁻⁹ mbar·l/s.
- Industrial Reliability: Constructed for continuous duty with durable, corrosion-resistant materials and proven engineering for maximum system uptime.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original PFEIFFER standards, allowing straightforward retrofit into existing hydraulic systems without rework.
Typical Industrial Applications
The UDV 140 series is specifically engineered to deliver leak-tight performance in the high and ultra-high vacuum range, making it an essential component in semiconductor fabrication, thin-film deposition, and analytical instrumentation systems.
PRODUCT IMAGES



PFEIFFER VACUUM UDV 140 / PF 152 032 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 UDV 140 / PF 152 032 Vacuum Valve. This German-made vacuum component features a reliable sealing mechanism, delivering leak-free, reliable fluid control for heavy-duty industrial systems.