Rotary Vane Vacuum Pump Portable Oil Sealed Dual Stage 250W 0.06Pa 1/3HP 2XZ-1. The Rotary Vane Vacuum Pump is an oil-sealed rotary displacement pump, the outlet valve is oil-sealed. The inlet valve is designed as a vacuum safety valve that is always open during operation. 2XZ series rotary vane type vacuum pump can be used independently, which also can be used as Booster pump, Diffusion pump, Molecular pump and Titanium pump's pre-pump. It is also used as electronic devices produce, vacuum drying, filtration, welding, metak smelting etc.Of Two-Stage 2XZ-1 Rotary Vane Vacuum Pump. The 2XZ series rotary vane vacuum pump (dry rotary vane vacuum pump)belongs to two-stage direct connection structure rotary vane vacuum pump, which can be used for drying, sealing the container and other ancillary pumping air or net vacuum equipment. It has the advantages of small size, light weight, low noise, convenient for using and more. If you need to return, please check twice to confirm the item not work and contact our customer service representative, let us know the detailed problem and send us some pictures for confirmation. Please make sure that item has NO man-made sabotage. Used items will not be accepted for return. We are a comprehensive company specializing in the research and development, production and sales of lab related equipment. Company tenet: Respect reputation and contract, provide high-quality and low-cost equipment for serve scientific research. We believe that it is our vision and mission to provide innovative products with best service and competitive price to satisfy you. Our goal is to make sure that you can find exactly what you are looking for and make it easy for you to place your orders. All emails will be responded to within 12-24 hours. Open gas valve= 1.33. Rise of pump oil (°C): =45. Rise of pump oil (°C).