High Quality of Roots Pump (BSJ300L: 3.7KW) 10 Pieces (Min.Order) High Quality Direct-Driven Vacuum Pump (BSV10: 0.4KW) 1 Piece (Min.Order) Vacuum Pump (BSV Direct connection type) 30m³ /H 1 Piece ...

Coating, Lighting, Vacuum drying, Freeze drying ... Using built-in oil check valve, no oil return phenomenon. Using a built-in pump to forcely supply oil, the pump continuously, stablely and long time ...