The vacuum pump is mainly applied in many fields, such as refrigeration maintain, printing machine, medical equipment, vacuum packing, gas analyze and thermoplastic molding ect.
Exact indication of internal system pressure on the vacuum gauge. The vacuum gauge can equip on all models of vacuum pump.
Feature
1. High efficiency filter,smoke less.
2. Copper wire motor,long service life.
3. Big sight glass for monitoring oil level,prevent oil lack.
4. The overall design of pump and motor is more portable.
5. Low maintenance cost
6. Integrated body structure with high precision
7. Forced lubrication for pump to ensure the high reliabililty
8. Oil window design to avoid run out of oil


Single Stage | HW-1.0A | HW-1.5A | HW-2.0A | HW-2.5A | HW-3.0A | HW-4.0A | HW-5.0A | |
Flow Rate | 220V 50Hz | 1.5CFM | 2.5CFM | 3.5CFM | 4.5CFM | 6CFM | 8CFM | 10CFM |
42L/min | 70L/min | 100L/min | 128L/min | 170L/min | 226L/min | 283L/min | ||
110V 60Hz | 1.8CFM | 3CFM | 4CFM | 5CFM | 7CFM | 9CFM | 12CFM | |
50L/min | 84L/min | 114L/min | 142L/min | 198L/min | 254L/min | 340L/min | ||
Ultimate Vacuum | 5Pa | 5Pa | 5Pa | 5Pa | 5Pa | 5Pa | 5Pa | |
150 microns | 150 microns | 150 microns | 150 microns | 150 microns | 150 microns | 150 microns | ||
Power | 1/4HP | 1/4HP | 1/3HP | 1/3HP | 1/2HP | 3/4HP | 1HP | |
Inlet Port | 1/4"Flare | 1/4"Flare | 1/4"Flare | 1/4"Flare | 1/4"&3/8" | 1/4"&3/8" | 1/4"&3/8" | |
Oil Capacity | 320ml | 300ml | 350ml | 350ml | 450ml | 700ml | 800ml | |
Dimensions(mm) | 270x119x216 | 270x119x216 | 278x119x216 | 278x119x216 | 320x134x232 | 370x140x250 | 390x140x250 | |
Weight | 5.3kg | 5.5kg | 6.5kg | 6.8kg | 10kg | 14kg | 14.5kg |
Dual Stage | 2HW-1C | 2HW-1.5C | 2HW-2.0C | 2HW-2.5C | 2HW-3.0C | 2HW-4.0C | 2HW-5.0C | |
Flow Rate | 220V 50Hz | 1.5CFM | 2.5CFM | 3.5CFM | 4.5CFM | 6CFM | 8CFM | 10CFM |
42L/min | 70L/min | 100L/min | 128L/min | 170L/min | 226L/min | 283L/min | ||
110V 60Hz | 1.8CFM | 3CFM | 4CFM | 5CFM | 7CFM | 9CFM | 12CFM | |
50L/min | 84L/min | 114L/min | 142L/min | 198L/min | 254L/min | 340L/min | ||
Ultimate Vacuum | 3x10-1Pa | 3x10-1Pa | 3x10-1Pa | 3x10-1Pa | 3x10-1Pa | 3x10-1Pa | 3x10-1Pa | |
25microns | 25microns | 25microns | 25microns | 25microns | 25microns | 25microns | ||
Power | 1/4HP | 1/3HP | 1/3HP | 1/2HP | 3/4HP | 1HP | 1HP | |
Inlet Port | 1/4"Flare | 1/4"Flare | 1/4"&3/8" | 1/4"&3/8" | 1/4"&3/8" | 1/4"&3/8" | 1/4"&3/8" | |
Oil Capacity | 180ml | 280ml | 360ml | 350ml | 700ml | 600ml | 700ml | |
Dimensions(mm) | 270x119x216 | 270x119x216 | 320x134x232 | 320x134x232 | 370x140x250 | 370x140x250 | 390x140x250 | |
Weight | 6kg | 7kg | 11kg | 11.8kg | 15kg | 15.5kg | 16kg |









