• Doftel Vacuum Products

Vacuum Pumps

Doftel Vacuum Products offers a Vacuum Pump, DP50 DD. It is a direct drive vacuum pump. Features: low noise and vibration; interchangeable cartridge; optional air admittance cum; isolation valve to prevent oil suck back and to maintain system vacuum; low maintenance; vacuum 10-3 torr; and fan cooled motor. Specifications: number of stages - 2; pumping speed - 50 LPM; vacuum with open gas ballast - 10-2 Torr; vacuum with closed gas ballast - 2x10-3; rotational speed - 1440 RPM; motor power - 0.25 HP; oil capacity - 1 litre; and noise (±10%) - 50dBa. Accessories: inlet dust filter - protects the pump against abrasive dust; moisture tap - used when pumping limited quantity of water vapour; outlet mist filter - separates and traps oil droplets in the pump outlet to prevent oil mist discharge. It is supplied with gravity oil return kit; air admittance cum isolation valve - to prevent oil suck back and hold system vacuum.