Restek, 27426, Chemker 300 PTFE Vacuum Pump, 20 L/min, AC110 V, 60 Hz

Specifications for Chemker Vacuum Pumps Model Chemker 300 Chemker 400 Chemker 410 Voltage 110 V, 60 Hz 220 V, 50 Hz 110 V, 60 Hz 220 V, 50 Hz 110 V, 60 Hz 220 V, 50 Hz Max. power (W) 70 60 90 90 90 90 Max. current (A) 0.8 0.32 1.1 0.5 1.2 0.5 Max. vacuum -670 mm Hg -670 mm Hg -750 mm Hg Max. flow rate 20 L/min 18 L/min 38 L/min 33 L/min 20 L/min 18 L/min Motor rotation 1700 rpm 1450 rpm 1700 rpm 1450 rpm 1700 rpm 1450 rpm Horse power 1/8 HP 1/6 HP 1/6 HP Noise level 50 dB 50 dB 50 dB Port thread 5/16 inch (8 mm) 5/16 inch (8 mm) 5/16 inch (8 mm) Net weight 5.0 kg 7.0 kg 7.0 kg Dimensions (L x W x H) 20.3 x 11.2 x 20.9 cm 26.7 x 11.2 x 18.1 cm 26.2 x 14.8 x 18.2 cm
Features & Benefits
PTFE wetted parts are highly resistant to corrosive gases.
Diaphragm-based pump is low maintenance and virtually pollution free.
Quiet, low-vibration units keep disturbances to a minimum.
Built-in thermal protector automatically shuts off pump if it overheats and then restarts it once the unit is cool.
International CE and CSA certification.
Applications include vacuum filtration, gel electrophoresis, solid-phase extraction, solvent purification, and general use. (Not intended to evacuate air canisters.)