The PV48W Series Vacuum High Purity Pressure Switch from UE Precision Sensors is designed for applications requiring ultra-clean environments and highly accurate vacuum detection. Engineered specifically for high purity gas systems, these switches are vented to ambient conditions, allowing precise monitoring of pressure below atmospheric levels.
With robust welded construction and a highly repeatable switching mechanism, the PV48W Series delivers dependable performance for monitoring, control, and safety shutdown functions in critical processes.
Features
Vacuum Pressure Switch PV48W Series Features & Performance Advantages
- High Purity Design for Clean Processes - The PV48W Series is purpose-built for ultra-clean gas systems, using materials and finishes that reduce contamination and support sensitive manufacturing environments.
- Negative-Rate Belleville Spring Technology - A precision-engineered Belleville spring mechanism provides consistent snap-action switching, improving accuracy and long-term repeatability.
- Tamper-Proof Factory Settings - Factory-set calibration prevents unintended adjustments, ensuring consistent performance in critical applications.
- Rugged Welded Construction - The hermetically welded body improves reliability, reduces leak paths, and supports operation in demanding industrial environments.
- Compliance & Safety Certifications - The PV48W Series meets UL, CE, and ISO 13849 standards, supporting safe integration into regulated systems.
Specifications
Vacuum Pressure Switch PV48W Series Technical Specifications
| PV48W | |
| Available settings | 10 to 150 mm Hg VAC |
| Deadband | 20mm Hg + 5% of Setting |
| Repeatability | 5mm Hg + 2% of Setting |
| *Internal Volume | 2.22 CC |
| **Proof Pressure | 0 psia 15 psig |
| **Operating Temp. Range | 0 to 130 F |
| Finish | 5 Ra Typical |
| Wetted Materials | 316L per F20 |
| Media Connections | 1/4 end seal type NW25 flange |
| Electrical Connections | Free Leads Crimp Type Connectors D Sub |
| Min. Operating Life | 5 Million cycles |
| Approvals | UL, CE, ISO 13849 |
| Warranty | 36 Months |
Applications
Vacuum Pressure Switch PV48W Series Applications & Use Cases
The PV48W Series is specifically suited for high purity and vacuum-critical environments:
- Semiconductor manufacturing equipment
- Gas cabinets and delivery systems
- Vacuum process monitoring
- Cleanroom and ultra-high purity applications
- Safety shutdown and alarm systems
Its design makes it particularly valuable in industries where contamination control and precision are essential.
Q & A
Vacuum Pressure Switch PV48W Series Q & A
It is widely used in:
- Semiconductor manufacturing
- High purity gas delivery systems
- Cleanroom processes
- Industrial vacuum monitoring
These industries require precise, contamination-free pressure control.
No. The PV48W Series is typically factory set and tamper-resistant, which helps maintain calibration integrity and consistent performance in critical systems.
Downloads
Download Vacuum Pressure Switch PV48W Series Brochure
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