The P17W Gauge Pressure Switch from UE Precision Sensors is engineered for high-purity gas systems where precision, reliability, and safety are non-negotiable. Designed to monitor pressure above atmospheric levels, the P17W delivers consistent switching performance for critical control, alarm, and shutdown functions.
Built with advanced mechanical design and ultra-clean construction, the P17W is ideal for semiconductor, aerospace, and specialty gas applications where contamination control and repeatability are essential.
Features
Features & Benefits
- Engineered for High-Purity Applications - The P17W is specifically designed for clean gas environments, minimizing internal volume and contamination risk—critical for industries like semiconductor manufacturing.
- Reliable, Repeatable Switching - A precision-engineered negative-rate belleville spring mechanism ensures stable setpoints and consistent performance over time, even in demanding conditions.
- Factory-Sealed, Tamper-Resistant Design - Each unit is factory calibrated and sealed to prevent unauthorized adjustments, helping maintain system integrity and compliance.
- All-Welded Construction for Leak Integrity - The welded design enhances durability and eliminates potential leak paths—ideal for hazardous or high-value processes.
- Functional Safety Ready (SIL 3 Capable) - Supports safety-critical systems with SIL 3 capability, making it suitable for applications requiring high levels of risk reduction.
- Compliance & Clean Materials
- RoHS & REACH compliant
- 316L stainless steel wetted parts
- Ultra-smooth internal finish for contamination-sensitive environments
Specifications
Specifications & Technical Details
| P17W | |
| Available Settings | 20 to 100 psig |
| Deadband | 4.0 psi + 7% of Setting |
| Repeatability | 1.5 psi + 4% of Setting |
| *Internal Volume | 0.46 CC |
| **Proof Pressure | 0 psia 300 psig |
| **Operating Temp. Range | 0 to 130 F |
| Finish | 5 Ra |
| Wetted Materials | 316L per F20 |
| Media Connections | 1/4 end seal type |
| Electrical Connections | Free Leads or Crimp Type Connectors |
| Min. Operating Life | 1.500,000 cycles |
| Approvals | UL, CE, ISO 13849 |
| Warranty | 36 Months |
*With 1/4 male end seal type
**Higher proof pressures available
Applications
Applications & Use Cases
- Semiconductor Manufacturing - Maintains strict pressure thresholds in ultra-clean gas delivery systems.
- Specialty & Industrial Gas Systems - Ensures safe and accurate pressure monitoring in gas cabinets, panels, and distribution lines.
- Aerospace & Defense Systems - Supports mission-critical systems requiring rugged, repeatable switching performance.
- OEM Equipment Integration - Ideal for engineers designing compact, high-performance systems requiring low internal volume and high reliability. Across industries, pressure switches like the P17W play a vital role in protecting equipment, maintaining uptime, and ensuring operator safety.
Q & A
P17W Gauge Pressure Switch Q & A
Yes. The P17W is designed to meet SIL 3 safety capability standards, making it appropriate for use in systems where reliability and risk reduction are essential.
Downloads
Download W Series High Purity Pressure Switches for Clean Gas Applications Catalog
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