Daihan Oil Free Vacuum Pump, 105mbar, 20L/min, PU-300, AC220V, 50Hz DH.PU0300

Oil-free vacuum diaphragm pump PU-300 (DH.Pu0300) is a laboratory vacuum pump rated to 105 mbar ultimate vacuum with a pumping speed of 20 L/min. The unit operates on AC 220V, 50Hz and is designed to provide oil-free vacuum for general laboratory applications requiring clean, dry vacuum such as filtration, aspiration and sample preparation. The PU-300 includes a fine vacuum regulator and a moisture trap for controlled evacuation and protection of the pump.

Key Features:

• Maximum vacuum: 105 mbar (78.8 torr)
• Pumping speed: 20 L/min
• Power supply: AC 220V, 50Hz; Motor power 60 W, 0.3 A
• Noise level and rotation: 50 dB at 1450 rpm
• Hose barb: 8 mm; Dimensions: 268 × 135 × 204 mm; Weight: 4.1 kg
• Model/part code: PU-300 (DH.Pu0300)

Advantages:

• Oil-free diaphragm design provides clean, contamination-free vacuum without oil maintenance.
• Built-in fine vacuum regulator and moisture trap enable controlled evacuation and protect the pump from condensate.
• Low noise operation (50 dB) and compact, lightweight footprint (4.1 kg) allow placement near workstations.