ROCKER Rocker 300C coated with PTFE 189300-22

Rocker 300C coated with PTFE (189300-22) is a PTFE-coated chemical-resistant, oil-free diaphragm vacuum pump designed for laboratory solvent handling. It provides controlled vacuum for solvent purification, HPLC mobile phase purification and vacuum filtration applications. The unit is specified for AC220V, 50Hz operation and includes a moisture trap and vacuum regulator for laboratory use.

Key Features:

• Model: Rocker 300C
• Part number: 189300-22 (AC220V, 50Hz)
• PTFE-coated diaphragm chamber with stainless steel (SS #316) valve plate for chemical resistance
• Max. flow rate: 20 L/min; Max. vacuum: 145 mbar abs. (220V, 50Hz specification)
• Power: 60 W; Current: 0.3 A; Motor rotation: 1450 RPM
• Net weight: 4.1 kg; Dimensions: 28.5 x 13.5 x 20.4 cm
• Features included: moisture trap, vacuum regulator, thermal (overheat) protection; noise level 50 dB

Advantages:

• Chemical-resistant PTFE-coated diaphragm chamber and SS valve plate protect against corrosive gases during solvent handling.
• Oil-free diaphragm design eliminates oil contamination and reduces routine maintenance.
• Integrated vacuum regulator and moisture trap enable controlled, clean vacuum for filtration and solvent purification workflows.
• Built-in thermal protection safeguards the motor from overheating and resumes operation after cooling.