What is the difference between single-stage and double stage ring blower?
High-pressure single-stage ring blower is an impeller, high flow, low pressure; High-pressure double-stage ring blower is two impellers, low flow, high pressure. two on the shape, parameters are different. Ring blowers (single-stage and two-stage) are used for oil-free conveyance of air and inert gases. They are used in many machines and vacuum-pressure installations for pneumatic