Since clean oil matters, VPX7 features large oil reservoir window to give you indicator of the condition of your oil and system.
VPX7 is so light weight due primarily to the aluminum alloy pump that has EPO coating.
The coating makes the aluminum alloy pump durable and strong, and the aluminum alloy is lighter than the cast iron pumps that VP87 and VP67 have.
The reason VP87 and VPX7 are still lighter than VP67 is because they have DC motors whereas VP67 has AC motor.
DC is lighter and also is motor packs more power and is in situation and better for cold starts...
At about 3000 microns, the gas ballast should be closed so that deep vacuum can be achieved...
The in your rotary vane pump both lubricates the moving parts and seals the fine clearances in the pump.
Oil has the benefit of stopping air leakages inside of the pump, however the rigorous oil flow during operation creates mist on the exhaust side of the pump..
By the pump moves through the in the reservoir some of that oil is vaporized when lot of air is moving through it, Since all the air that is removed from the chamber.
the vapor or mist should reduce dramatically...
Read more
Related items:
