The PV48W and PV36W series vacuum high purity pressure switch offers accurate and repeatable switching for monitor/control and alarm/shut down protection. These units, designed specifically for high purity gas systems are vented to ambient conditions for sensing pressure below ambient (vacuum).
PVW Series Vacuum Pressure Switch Features:
- Tamper proof (factory) setting
- Welded construction
- Negative-rate belleville spring design provides longer life, accuracy and repeatability
- RoHS and REACH Compliant
- Sil 3 Safety Rated
PVW Series Vacuum Pressure Switch Specifications:
| PV48W | PV36W | |
| Available settings | 10 to 150 mm Hg VAC | 125 to 750 mm Hg VAC |
| Deadband | 20mm Hg + 5% of Setting | 40mm Hg + 6% of Setting |
| Repeatability | 5mm Hg + 2% of Setting | 15mm Hg + 2% of Setting |
| *Internal Volume | 2.22 CC | 1.06 CC |
| **Proof Pressure | 0 psia 15 psig | 0 psia 25 psig |
| **Operating Temp. Range | 0 to 130 F | 0 to 130 F |
| Finish | 5 Ra Typical | 5 Ra Typical |
| Wetted Materials | 316L per F20 | 316L per F20 |
| Media Connections | 1/4 end seal type NW25 flange | 1/4 end seal type |
| Electrical Connections | Free Leads Crimp Type Connectors D Sub | Free Leads or Crimp Type Connectors |
| Min. Operating Life | 5 Million cycles | 5 Million cycles |
| Approvals | UL, CE, ISO 13849 | UL, CE, ISO 13849 |
| Warranty | 36 Months | 36 Months |
*With 1/4 male end seal type
**Higher Temperature and Proof pressures available
PVW Series Vacuum Pressure Switch Links:
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Short description
The PV48W and PV36W series vacuum high purity pressure switch offers accurate and repeatable switching for monitor/control and alarm/shut down protection.