TXV0025 H06 oil-free rotary vane vacuum pump    

The TVT 4.40 is a medium vacuum, dry displacement pump designed to operate on a continuous duty basis. It utilizes self-lubricating, graphite composite vanes, requires only minimal maintenance, and requires no oil change.  

Product description Ultra-low vacuum, ultra-low silence, light size, beautiful appearance, simple structure, easy maintenance, completely oil-free and gas-free, easy to maintain.