XD cast iron rotary vane type vacuum pump

Introduction: 1. XD cast iron rotary vane type vacuum pump portable 220v lab vacuum pump can be cooled by air. 2. This series vacuum pump is to suck or compress air from or into container. 3. It is applicable for air or any other gas which is non-corrosive, insoluble in water and without solids. Air or gas contains a small amount of liquid is allowed. 4. With oil-return resistant structure, the pump oil is kept from returning to the sucking system. 5. A gas-draining filter