... vacuum pump 1.ISO9001:2000 2.De-airing for vacuum pugmill 3.High vacuum,strong pumping 4.small size,light weight Single-stage rotary ... The pump is a single-stage , chute-blade, rotary vacuum pump, and it is used in tandem with ... , light weight, low fuel consumption, and high vacuum .The machine is also widely used in other industries ... ×800Net weight (kg)240 Single-stage rotary small vacuum pump for sale