Dryer is a washing machine, usually after washing dehydration, used to remove clothing and other textiles in the water. Most dryer comprising a rotatable drum, the inner cylinder driven by a belt, around the drum with hot air to evaporate water. Drying tube and are based on the principle of rever...

1) vacuum pump ultimate pressure The ultimate pressure pump unit is Pa, the pump means at the entrance of the cover in accordance with a standard test conditions prescribed work, without the introduction of a working gas, the pressure tends to a stable minimum. 2) vacuum pumping rate Pump unit is...