Gold Member Since 2011
Audited Supplier
Hangzhou Qianjiang Compressor Group Co., Ltd.

R290 Fridge Compressor, a/C & Fridge Compressor, Piston Fridge Compressor manufacturer / supplier in China, offering R290 Piston Fridge Compressor Qm50u, Qd65h Refrigerator Compressor R134A, Mini Refrigerator Compressor R134A (QD25H) and so on.

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R290 Piston Fridge Compressor Qm50u

FOB Price: Get Latest Price
Min. Order: 1,000 Pieces
Production Capacity: 20, 000, 000 PCS/Year
Transport Package: 1PC/Carton, 120PCS/Pallet, 2160PCS/FCL(1*20gp)
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: QM50U-2
  • Performance: Low Noise
  • Configuration: Stationary
  • Piston Type: Closed
  • Application: Low Back Pressure Type
  • Trademark: Wansheng
  • Origin: Mainland China
  • Type: Reciprocating
  • Power Source: AC Power
  • Material: Copper
  • Lubrication Style: Lubricated
  • Mute: Not Mute
  • Specification: /
  • HS Code: 8414301190
Product Description
1. QM50U compressor use R290 refrigerant

2. Small size

3. High efficiency

4. High reliability

5. Cheap price provided for the compressor QM50U makes the customers better choice

6. Experienced staff ensure produce of the compressors with good quality

7. Low sound

8. Low vibration

9. Starting device is PTC

10. Frequency only for 50HZ

11. Voltage application from 220 to 240V

12. Application in refrigerator, freezer, other refrigerating equipments, etc.

13. Nominal power is 1/5 HP

14. COP is 1.4 with the cooling capacity 200W

15. CSIR Motor

16. Cooling type is Fan

17. Low Back Pressure

18. Copeland compressor

19. Compressor should be stored in a dry and drafty place

20. Compressor should not be tilted or inverted in storage, transportation and installation; Collision should be avoided.

21. Rubber plugs should not be pulled out from discharge tube before installation so as to avoid impurity and humidity. During the installation, the rubber plugs of discharge tube should be pulled out at first, then the rubber plugs of process tube, and the rubber plugs of process suction tube at last. The installation should be completed within 10 min after that.

22. The compressor's ground connection should be reliably connected with that of the refrigeration appliance all the time.

23. In order to keep a pressure balance in system, the interval of operation should not be less than 5 min.

24. The charging volume of refrigerant oil has been optimized by our company. Don't pour any oil out or into to the compressor randomly.

25. The stocking period must be less than 6 months after the date of production. If longer, you have to check whether the filled dry nitrogen is sufficient. Replenishment must be done if necessary.

26. Mini R290 refrigerating compressor QM50U with starting capacitor
WANSHENG  R600a Low Back Pressure (LBP) Compressor 

Test Conditions
LBP ASHRAE Subcooling Temp.: 32.2°C
Evap. Temp.: -23.3°C Cond. Temp.: 54.4°C
Amb. Temp.: 32.2°C Suction Temp.: 32.2°C


Nominal Power
Cooling Capacity

COP Power Efficiency
Motor Type

Starting Device

Starting Capacitor

Running Capacitor

Cooling Type
WS Series 220-240V~50Hz
QM50U 1/5 200 1.4 CSIR PTC 50 / F
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