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12CFM/14CFM oil sealed vacuum pump for refrigeration ,ac compressor vacuum pump,air conditioning evacuation pump

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Wenling Hongbaoshi Vacuum Equipment Factory

CN Manufacturer, Trading Company
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Quick Details

Place of Origin: Zhejiang China
Brand Name: Hong Bao Shi Vacuum Pump
Model Number: 2RS-5
Structure: 2-stage pump
Usage: Air Pump
Application: laboratory low noise vacuum pump
Power: Electric
Fuel: Electric Vacuum Pump
Pressure: High Pressure
Color: blue,black, green, red, purple, orange
Free Air Displacement: 14/12CFM
Ultimate Vacuum: 0.2Pa
Rotating Speed: 1720/1440rpm
Power: 1HP
Oil Capacity: 550ml
Dimension: 430mm*142mm*280mm
Weight: 22.0Kg
Loading port: Shanghai or Ningbo
Application: HVAC, refrigeration, automotive, vacuum package
Standard or Nonstandard: Standard
Theory: Vacuum Pump
Delivery Detail: 5 days after payment
Selling Units: Single item
Single package size: 49X33X21 cm
Single gross weight: 23 KG
Package Type: packed in a carton box
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Product Description

2 stage 2RS-5

/14CFM/5L/1HP/long lifetime laboratory low noise vacuum pump,high performace vacuum pump




1. The double stage vacuum level is higher,the sealing property is higher.

2. High efficiency and low noise, heavy-duty aluminum alloy casing construction for maximum durability.

3. Anti-backflow: Internal intake check valve prevents oil backup or oil suck back into the system during a power failure or when stop pumping.

4. Environmental :Intake filter screen keeps damaging particles from entering the pump; An oil fog cleaner is set inside to prevent the oil fog exhausting to the atmosphere.

5. The pump is specially designed for low temperature environment, and large starting torque guarantees to start normally under cold winter's extreme low  temperature.

6. Oil drain plug positioned at Bottom of oil tank , faster and complete draining.

7. Internal high volume cooling fan for extended use life, thermally protected.

8. Exhaust port with exhaust cap, direct drive motor allows easy starting and is maintenance free.

9. Large oil sight glass is easy for monitoring oil levels, ON/OFF switch.

10. Force feed lubrication System - Use clean filtered oil to all internal bearings to help reduce heat & maintenance.

11.Used the full cooper wire motor,Stable base.

12. Diverse color for free choice, other colour can be customized by customersrequirements.

13. Heavy duty steel handle with lift hook for well-balanced carrying

14. Vesatile - Suitable for all refrigerants. R12 , R134a , R22 , R410a , R404 , R502 ,R407a,etc.

15. One (1) year limited over-the-counter warranty.



2RS series vacuum pump is two stage vacuum pump oil sealed rotary vane, or high vacuum pumps, they are widely applicable to the following fields:

1). Special vacuum pump for food packaging equipment

2). Special vacuum pump for tea packaging equipment

3). Special vacuum pump for refrigeration and maintenance

4). Vacuum pump for laboratory equipment

5). Printed special vacuum pump

6). Special vacuum pump for medical equipment

7). Vacuum drying special vacuum pump

8). Special vacuum pump for resin glue

9). Special vacuum pump for mobile phone patch

10). Special vacuum pump for teaching instruments

11) Vacuum coating,vacuum adsorption, vacuum forming, photo-voltaic technology, aviation,and many other fields.


Specification for two stage rotary vane vacuum pump:

Free air displacementCFM54.57612101412
Ultimate vacuumPA2*10-12*10-12*10-12*10-1
Rotating Speed(rpm)35002800350028001720144017201440
Power(HP) 1/2 3/411
Oil Capacity(ml)33037050550
Payment termT/T,LC,Western union
Loading portShanghai or Ningbo


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Exploded Drawing Of two Stage Vacuum Pump

parts show2.jpg







1.Keep the pump clean and prevent foreign matter from entering it.

2.Keep the oil level. Do not keep it running without oil.

3.Keep the oil clean. If it becomes dirty, muddy or has water or other volatile substances which affect limit vacuum the oil should be replaced. Before replacing the oil, start the pump and have it run about 30 minutes to make the oil thin and then stop it and let out the oil from the oil-outing mouth. Then have it run for 1-2 minutes with the gas-entering mouth open. During this time, add a small quantity of clean oil from the gas.Entering mouth so as to replace the remaining oil in the pump. Do it repeatedly. After making sure the pump is clean put on the oil-outing screw plug and then fill clean pump oil to the oil-level line from the oiling mouth.

4.If it is not in use for long, cover the oiling cap and exhaust cap and put it in a dry place. Meanwhile, damp proof and anti-rust should be considered.

5.If it needs removing and fixing is sure to have an experienced or professional technician one does it.


1.Do not pump inflammable, explosive and poisonous gases.

2.Do not pump gases which can corrode metals and can exert chemical changes with the pump oil.

3.Do not pump gases containing pellet dust and gases with plenty of steam.

4.The temperature of the pumped gas should not be over 80° and the environment temperature should be 5 - 6.

5.Do not use it as a compression or a convey pump.

6.Do not use or operate without oil.

7.Do not pull on the wire when unplugging from the outlet.

8.Do not put heavy weights on the wire to avoid being extruded.

9.Do not use when the plug or outlet if it is damaged.

10. Do not plug or unplug with your wet hands.

11.Unplug or switch off the machine when there is any kind of leak of coal gas.





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Address: New Economic Development Zone ,Wenling,Zhejiang ,China