德耐尔罗茨真空泵DRP250

罗茨真空泵简介
Introduction to roots vacuum pumps
罗茨真空泵，是指泵内装有两个相反方向同步旋转的“8”字形转子，转子间、转子与泵壳内壁间有细小间隙而互不接触的一种变容真空泵。DRF 系列罗茨真空泵采用液力传动，避免了普通罗茨泵因入口压力过大或突然停机而导致的电机损坏等问题。
Roots vacuum pump refers to a variable capacity vacuum pump that is equipped with two "8" shaped rotors rotating synchronously in opposite directions, and there is a small gap between the rotors and between the rotors and the inner wall of the pump casing without contacting each other. DRF series roots vacuum pumps use hydraulic transmission, which avoids problems such as motor damage caused by excessive inlet pressure or sudden shutdown of ordinary roots pumps.