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- Agilent Heaters and SensorsMass Spectrometry, Scientific Supplies & ManufacturingScientific Instrument Services 5973 Source Heater Tamper Resistant Allen Wrench 5973/5975 Quad Sensor 5985 Source Heater Assembly Agilent Interface Heater Assembly 5971 Interface Heater
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- Distillation Control
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- Vacuum Pumps
- Vacuum Supplies & Services for Agilent/HP MSSIS Rotary Vane Pumps (Direct Replacement) Edwards E2M1.5 Two-Stage Rotary Pump (for MSD) Other Edwards Rotary Vane Pumps Edwards EO50/60 Diffusion Pump (for MSD) Pfeiffer Vacuum Duo Pumps Inland® 19 Rough Pump Oil Invoil® 20 Pump Oil Inland® 45 Mechanical Pump Oil Other Mechanical Pump Oils Santovac® 5P Ultra Vacuum Pump Fluid Other Diffusion Pump Oils SIS All-In-One Large Pump Filter Kit for Edwards SIS All-In-One Small Pump Filter Kit for Edwards Convectron Gauge Tube (for 5971/2/3/5) Foreline Gauge Assembly (for 5971/2/3/5) Agilent/HP 5971 Bayard Alpert Vacuum Measurement System Ion Gauge Tube (for MSD) Mini Ion Gauge Tube (for 5971/2/3/5) Micro Ion Gauge (for Agilent 5975/5977) Diffusion Pump Heater Discs and Cartridges for Thermo/Finnigan MassSpecs Agilent (or HP) Copper Gaskets for Vacuum Flanges Agilent (Hewlett Packard) Hose Adaptor Fittings Interface Gaskets (5970) Ion Gauge Tube, 5972
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- Diffusion Pumps (This Page)
Description
The Model EO50/60 is a compact, fast warm-up air-cooled diffusion pump supplies complete with high integrity inlet Co-seal, and flange clamping ring. The jet assembly is removeable for easy cleaning. It meets the need for a low-cost, high vacuum pump for use in desk top or mobile scientific instruments, leak detectors, tube pumping systems and general laboratory applications.
In many applications the rapid warm-up capability will enable the EO50/60 to be used without an isolation valve. However, the pump is not intended for use on valveless systems where rapid cycling from atmospheric pressure through the hot pump is required.
Models are available with and without cooling fans. Models without fans are available as replacement diffusion pumps for Agilent/HP MSD instruments below. The pumps do not come with temperature sensors but the holes to mount the sensorare available.
B30211090*Edwards Model EO50/60 Diffusion Pump, 90 volts (for Agilent MSD) no fan B30211180*Edwards Model EO50/60 Diffusion Pump, 180 volts (for Agilent MSD) no fan, custom
Specs
| Technical Data | |
|---|---|
| Pumping speed (air) | 60 e/s (27 e/s baffled) |
| (hydrogen) | 70 e/s (50 e/s baffled) |
| Fluid Charge | 18.5 mL |
| Recommended fluid | Santovac 5, Silicone DC704EU |
| Minimum backing pump displacement | 0.59 cfm |
| Recommended backing pump | RV-3 |
| Inlet connection | NW50 flange |
| Backing connection | NW10 flange |
| Heater power | 200 W or 250 W |
| Warm-up time to operating temperature | 4 min |
| Weight | 4.4 lb |
| Minimum cooling air flow | 2.7 cfm |
| Fluid | Critical backing pressure (torr) |
Ultimate pressure (torr) |
|---|---|---|
| Santovac 5 | 0.45 | 3.8 x 10-8 |
| Silicone DC702 | 0.9 | 3.8 x 10-6 |
| Silicone DC704EU | 0.6 | 3.8 x 10-7 |
| Silicone DC705 | 0.45 | 3.8 x 10-7 |
| Apiezon® C | 0.53 | 3.8 x 10-7 |
Dimensions
Diffusion Pump Fluids Pump Fluids for your lab needs.
Diffusion Heater Replacement Replacement Part by Edwards for your vacuum and lab needs.- Diffusion Pump Fan Replacement Part by Edwards for your vacuum and lab needs.
- Diffusion Pump Sensors Replacement Part by Edwards for your vacuum and lab needs.
Santovac 5P Ultra and polyphenyl ether vacuum pump fluid Invoil 704 Diffusion Pump Fluid 
Micro-Mesh® Regular Sheets 
Ion Gauge Tubes, Bayard-Alpert Type 
Steel Wire Reinforced Vacuum Hose 
Micro-Mesh® Sheet Kits 
Triode Style and Mini Bayard-Alpert Ion Gauge Tubes Agilent (Hewlett Packard) Mass Spec Ion Gauge Tubes 
SIS 1-Inch Micro Cryo-Trap (Model 971/981)