- Supply TypeManufacturer, Exporter, Supplier
- Preferred Buyer Location All over the world
2x series two stage rotary vane vacuum pumps characteristics: the vacuum pumps can work separately, or as the backing pumps of the roots pumps, diffusion pump,molecule pumps or titanium pumps．with the gas ballast valve，the pumps can suck such gases as with a little condensable gas，humid air or mixture gas with vapor，but which can not contain particle-shaped solid matter．.
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