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Gas entrapment pumps
COOLVAC i vacuum pumps are refrigerator cryo pumps which generate a vacuum when gaseous substances are bound to the cold surfaces within the pump by means of cryo-condensation. They are used for the generation of ultra-high vacuum.
Because of their pumping principle COOLVAC i cryo pumps have a high effective pumping speed for all gases. COOLVAC i vacuum pumps produce a hydrocarbon free vacuum in the pressure range from 10-3 mbar to 10-11 mbar.
The entire COOLVAC i cryogenic pumps range is equipped with all safety related components, particularly with a safety valve which is equipped with an additional DN 40 KF flange for the connection of an exhaust line.
The pump’s body is made of high-quality stainless steel.
Helium compressors from the COOLPAK i range are required for operating the COOLPOWER i cold heads, which are incorporated within the COOLVAC i range of cryo pumps.
iSmartLine (iSL)
The cryo pumps from the iSmartLine (iSL) range are gradually heated up to room temperature by means of electrical heaters at both cold head stages. Pressure, temperature and heating power are monitored by the COOL.DRIVE i controller.
During the process the pumped gases are released one after the other in the following sequence:
Gases adsorbed at the cryopanels (e.g. hydrogen, helium, neon),
Gases condensed at the cryopanels (e.g. nitrogen, oxygen, argon),
Gases and vapors which have condensed onto the baffle and thermal radiation shield (e.g. water vapor).
The benefit of Leybold’s regeneration process described above is that no additional purge gas is required during the regeneration of inert, unreactive gases.
Purge gas regeneration is available as additional option/accessory.
Your advantages:
3 operation modes for increased cooling performance, energy saving, and customized operation available in combination with COOLPAK 5000i
Hydrocarbon-free high vacuum
High capacity for argon and hydrogen
Fully automatic regeneration through integrated COOL.DRIVE i controller
Easy on-site servicing without pump disassembling and reconditioning of the vacuum system possible
High pumping speed for water and nitrogen
Fast, safe and efficient regeneration with the electric regeneration system
iBasicLine (iBL)
In the case of cryo pumps from the iBasicLine (iBL) range, regeneration takes place manually in two sub-steps:
Switching off the refrigerator system and waiting until room temperature is reached
Re-cooling after a sufficiently low pressure is reached in the cryo pump
The iBasicLine pumps are identical to the COOLVAC i cryo pumps of the iSL version when it comes to:
technical data for pumping speed,
capacity,
cooldown time,
built-in cold heads,
maximum throughput,
built-in temperature sensors for the second stage (Si diode) and the corresponding current feedthroughs.
However those models do not include the COOL.DRIVE i controller as well as heaters, gauges and fore vacuum valve.
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