Wenling hongbaoshi vacuum equipment factory

Zhejiang Wenling Hongbaoshi Vacuum Equipment Factory is located in Taizhou, Zhejiang Province, which is a beautiful new developing seaside city with convenient transportation.

R410a Refrigerant Vacuum Pump

R410a Refrigerant Vacuum Pump

Single Stage Vacuum Pump, Vacuum Pump, One Stage Vacuum Pump manufacturer / supplier in China, offering Vpa Series Single Stage Vacuum Pump (CE, RoHS) (VP2A), Multifunction Peeling & Crushing Machine E70-21, New Pneumatic Tools Air Body Saw Wt-7011 and so on.

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Product Details

3 CFM Double Stage Vacuum Pump Refrigeration Air Conditioning Tools

Product Description


1. Introduction

A VACUUM SYSTEM is a dilute atmosphere state with lower atmospheric pressure compared with that of local area.

A VACUUM PUMP is a device that creates, improves and maintains vacuum in an enclosed space with all kinds of methods.

2. Technical Parameters






Free Air Displacement


Ultimate Vacuum

0.3 Pa

Rotating Speed

3500 RPM


1/3 HP

Oil Capacity

250 ml


280*110*215 mm


7.5 kg

Packing Unit




Loading port

Shanghai or Ningbo

Payment terms

T/T, LC, Western Union

3. All-round display

Back View

Front View

Side View


4. Features

  • Integrated design Integrate the pump with motor to make the whole product compact, light and attractive in design.

  • Anti-backflow design Prevent the oil from flowing back, to keep clear inside environment and enhance the stable function of the system.

  • Big Starting Torque Special design to guarantee motor starting normally even under low temperature in winter.

  • Low noise and vibration Elastomic coupling insert.

  • Environment friendly Special filter at the exhaust port to avoid oil spraying and spilling, elimating exhaust pollution of oil mist.

5. Exploded Diagram

parts show2.jpg

6. Some Main Applications

7. Packing & Shipping

Package Including

Vacuum pump x 1

Bottle of Vacuum Oil x 1

Instruction Manual x 1

Packing Material



1 pc per ctn,

then 2 ctns into 1 outer ctn.


About 2 weeks; Accordingly.

8. Ask about possibility of Different Color

Company Information

Company Information.jpg

1. Factory outlook


2. Manufacture & Tests & Packing & Exhibit & Exports

3. Contact


Factory Address: East Industrial Zone, Wenling, Zhejiang, China(Mainland)

Tel: 0576-86217595

Fax: 0576-86223872


For further information, easily get in touch with us by click on the page.

Or you may send your inquiry or question to us by click on the page.


Instruction Manual.jpg

* Note: One Instruction Manual sent with One Product as default.

1. Maintenance

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.

2. Precautions

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.


Zhe jiang Address:East Industrial Zone Wenling Zhejiang
Name:Zero Lin
Number /Wechat:+86-15727894606
QQ: 2120865441

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