Agilent VPI Valve - NEW
Agilent Technologies Vacuum Pump Isolation (VPI) Valve - NEW
Agilent vacuum pump isolation (VPI) valves are inlet protection valves that electrically connect with the mechanical pump. The valves close rapidly when power is interrupted to prevent oil backstreaming or particle migration into the vacuum system. They also vent the pump from the inlet side, pushing any debris towards the outlet, and preventing it from being swept into the system when pumping is restarted.
The body design and right-angle configuration of the valves provide maximum conductance. Reliable seals offer fast-acting, immediate protection of your vacuum system.
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| Nominal body ID | 2 in. (50 mm) |
| Leak rate | |
| Body / Seal | < 1 x 10-9 atm cc/sec He |
| Closing time | 30 milliseconds |
| Closing burst | 1 x 10-2 Torr-liter |
| Power | 7.0 Watts for AC applications 5.8 Watts for TriScroll inverter pump applications |
| Materials | |
| Body and flanges | Extruded aluminum (6061 -T6) |
| Piston | Machined aluminum (2024) |
| Seals (O-ring and diaphragm) | Viton |
| Guide pin | 304 stainless steel |
| Temperature range (valve) | 0 to 100°C |
| Temperature range (solenoid) | 0 to 50°C |
| Venting time | |
| NW40 | 10 s/l of vented volume |
| NW25 | 50 s/l of vented volume |
| Type | Label | Description | Download |
|---|---|---|---|
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Agilent Vacuum Pump Isolation (VPI) Valve - NEW | Instruction Manual | Download |
Need modifications to this item? PTB Sales' expert team of engineers can configure products to your specific needs.
Agilent Technologies Vacuum Pump Isolation (VPI) Valve - NEW Part Number: VPI251205060 NW25, for TriScroll pumps operating on 110 V or 220 V single phase or 200 V three-phase power, 50/60 Hz Part Number: VPI251335060 NW25, for TriScroll pumps operating on 230 V three-phase power, 50/60 Hz Part Number: VPI252205060 NW25, for TriScroll pumps operating on 415 V or 460 V three-phase power, 50/60 Hz Part Number: VPI252665060 NW25, for TriScroll pumps operating on 460 V three-phase power, 50/60 Hz Part Number: VPI401205060 NW40, for TriScroll pumps operating on 110 V or 220 V single phase or 200 V three-phase power, 50/60 Hz Part Number: VPI401335060 NW40, for TriScroll pumps operating on 230 V three-phase power, 50/60 Hz Part Number: VPI402205060 NW40, for TriScroll pumps operating on 380 V or 415 V three-phase power, 50/60 Hz Part Number: VPI402665060 NW40, for TriScroll pumps operating on 460 V three-phase power, 50/60 Hz Part Number: VPI25INV24DC NW25, 24 VDC, for TriScroll 300 Inverter dry vacuum pump Part Number: VPI40INV24DC NW40, 24 VDC, for TriScroll 600 Inverter dry vacuum pump
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