The ST-28M R32 , R290, Two-stage 71 L/minute vacuum pump has a built-in solenoid valve and vacuum gauge for added functionality and precision. The tool is safe and spark-proof to ensure user safety. The brushless DC motor provides efficient and reliable performance without any problems. Non-sparking.
ST-4BM ST-4S
Flow Rate: 4.5 CFM 4.5 CFM
127 L/MIN 127 L/MIN
Pole Number: Double Stage Single Stage
Maximum Vacuum: 15 microns 60 microns
Power: 1/4 HP 1/4 HP
Inlet Port: 1/4" & 3/8" flare 1/4" & 3/8" flare
Oil capacity: 720 ml 890 ml
Dimensions: 290x128x276 mm 290x128x276 mm
Weight: 5,3 kg 4,7 kg
Voltage: 220V 50/60Hz