Customized vacuum unit
JZJLG Roots screw vacuum unit
JZJLG Roots screw vacuum unit
JZJLG series Roots screw dry pump vacuum unit is a dry oil-free vacuum unit composed of ZJ type Roots pump as the main pump and LG series screw vacuum pump as the backing pump. JZJLG series Roots screw dry pump vacuum unit is more suitable for working under low pressure than a single screw vacuum pump. For example: a vacuum distillation process requires a pumping rate of 150L/s and a working pressure of 2000Pa. kW), which is more energy-saving than a single LG180 screw vacuum pump (22kW) and the unit can reach a lower limit pressure.
Since both the main pump and the backing pump use dry vacuum pumps, the JZJLG series Roots screw dry pump vacuum unit has the following main features:
l There is no oil in the pump cavity, no pollution to the pumped system, and a clean vacuum can be obtained.
l There is no oil in the pump cavity, which is very easy to realize the recovery of the solvent.
l The pump cavity of the roots pump is all nickel-plated, and the pump cavity of the screw pump is nickel-plated or PTFE coated, which can pump out water vapor, solvent gas and various corrosive media.
l Because there is no waste oil and waste water discharge during the working process, there is no pollution to the environment.
l The requirements for cooling water are low. For the cooling of the pump, ordinary circulating water can meet the requirements, and the amount of cooling water is small.
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