Agilent Varian VHS-4 - REBUILT
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| Weight | 55 lbs |
|---|---|
| Pumping Speed | 1,589 cfm |
| Ultimate Pressure | 6.50 x 10-1 Torr |
Agilent Varian VHS-4 Diffusion High Vacuum Pump - REBUILT
The Agilent Varian VHS Series bulge contour increases gas capture and maintains lower pressure for the process. These VHS diffusion pumps have sight glass/fill and drain assemblies for continuous monitoring and easy maintenance of pump fluid. Finned boilers increase surface area, prolonging fluid life. Full thermal protection and quick-cool coils are also standard. Please let us know if you would like a quote for a different heater voltage or for repair service of your pump.
We also carry Agilent Varian diffusion pump LN2 traps and baffles and valves.
Questions? Please call our toll free number at 866-332-0500 or send an email to our sales team!
| Backstreaming Rate | 5 x 10-4 mg/cm²/min |
| Cooldown Time | 10 min |
| Electrical Requirements | 1-phase 50/60 Hz 120/208/240 V |
| Fluid Charge | 300 CC |
| Fluid Type | Oil |
| Input Voltage | 120, 208, 240 V |
| Maximum Forepressure - Full Load | 0.55 Torr / 0.73 mbar |
| Maximum Forepressure - No Load | 0.65 Torr / 0.86 mbar |
| Maximum Throughput | 1.5 T-L/s (2.0 mbar-L/s) |
| Operating Range | 2 x 10-3 to < 5 x 10-9 Torr 2.7 x 10-3 to < 6.5 x 10-9 mbar |
| Pump Power | 1,450 W |
| Pump Weight | 55 lbs / 25 kg |
| Pumping Speed - Air | 750 L/s |
| Pumping Speed - Air, via AVS 4.1 (1963) | 1,200 L/s |
| Pumping Speed - He/H2 | 940 L/s |
| Recommended Backing Pump | ≥ 10 cfm (17 m3/hr) |
| Warmup Time | 10 min |
| Water Connections | 1/8 inch FPT |
| Water Cooling - Temperature Requirement | 60-80°F / 15-26°C |
| Water Cooling Flow Requirement | 0.15 gpm / 30 L/hr |
| Type | Label | Description | Download |
|---|---|---|---|
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Varian Diffusion Pumps - REBUILT | Data Sheet | Download |
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Varian VHS-4 - REBUILT | Instruction Manual | Download |
Need modifications to this item? PTB Sales' expert team of engineers can configure products to your specific needs.
Agilent Varian VHS-4 Diffusion High Vacuum Pump - REBUILT Type No. 0183 86460301 / 86460-301 ASA w/ standard cold cap 120V 86460311 / 86460-311 ASA w/ extended cold cap 120V 86460306 / 86460-306 ASA w/ standard cold cap 208V 86460316 / 86460-316 ASA w/ extended cold cap 208V 86460302 / 86460-302 ASA w/ standard cold cap 240V 86460312 / 86460-312 ASA w/ extended cold cap 240V L6256301 / L6256-301 ISO w/ standard cold cap 120V L6256311 / L6256-311 ISO w/ extended cold cap 120V L6256306 / L6256-306 ISO w/ standard cold cap 208V L6256316 / L6256-316 ISO w/ extended cold cap 208V L6256302 / L6256-302 ISO w/ standard cold cap 240V L6256312 / L6256-312 ISO w/ extended cold cap 240V
