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Bitzer Semi hermetic Refrigeration Piston Compressor 4G-20.2 for Cold Storage
  • Product Name:Bitzer Semi hermetic Refrigeration Piston Compressor 4G-20.2 for Cold Storage
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Bitzer Semi hermetic Refrigeration Piston Compressor 4G-20.2 for Cold Storage

Bitzer Semi hermetic Compressor 4G-20.2 for Cold Storage:

 
Product Description

 

1. Features: 

 

1)High efficiency, Good reliability, Low noise, Low vibration, No leakage

 

2)Wide range of application

   The Compressor uses R22 as refrigerant. R134a, R404a, R407b and R407c are also approved. R12 and R502 are not suggested due to the international environment protection requirement. The machine can be used at a low or high condensing temperature.

 

3)Excellent performance

   The compressor has a scientific structure design, strictly chosen material and precise procession and it is strictly inspected. The factory has obtained the National Compulsory Products CCC Certification, the National Industrial Products Manufacture License, and the ISO9001:2008 International Quality Supervision System Certification.

 

4)Reliable safety device

  The compressor is equipped with motor protector and discharge temperature monitor to prevent the overheat of the motor and the compressor and the operation beyond approved application pressure.

 

2. Technical Data

 

SI

IP

Motor version

2

2

Displacement (1450 RPM 50Hz)

84.5 m3/h

2984.1 CFH

Displacement (1750 RPM 60Hz)

101.98 m3/h

3601.4 CFH

No. of cylinder x bore x stroke

4 x 75 mm x 55 mm

4 x 2.95 inch x 2.17 inch

Motor code

40P

2NU

Motor voltage (more on request)

380..420V YY/3/50Hz

440..480V YY/3/60Hz

Max operating current

37.0A

35.6A

Maximum power consumption

21.5 kW

21.5 kW

Winding ratio

50% / 50%

50% / 50%

Starting current (Rotor locked)

97.0A/ 158.0A (Y/YY)

176.0A

Enclosure class

 IP54
 IP66

 IP54
 IP66

Weight

192 kg

423 lb

Max. pressure (LP/HP)

19 / 28 bar

275 / 400 psi

Connection suction line

54 mm

2 1/8"

Connection discharge line

28 mm

1 1/8"

Oil charge

4.50 dm3

158.4 fl oz

Crankcase heater

140 W

140 W

Oil type R134a // R407A/C/F // R404A // R507A

 tc<55°C: BSE32
 tc>55°C: BSE55

 tc<130°F: BSE32
 tc>130°F: BSE55

Oil type R22 R22 (R12 // R502)

 B5.2

 B5.2

Oil pressure monitoring

 MP54
 Delta P

 MP54
 Delta P

Oil service valve

 

 

Oil and gas equalizing fittings

 

 

Capacity control

 100% / 50%

 100% / 50%

Start unloading

 

 

Check valve (for start unloading)

 

 

Motor protection

 SE-B2

 SE-B2

 

 

3. We can supply more Bitzer Semi-hermetic compressor models as below:

 

 

Model Horse power Displacemet(50hz)m3/h Qty of cylinder*Diameter*Stoke(mm)
2DC-2.2 2 13.5 2*50*39.3
2DC-3.2 3 13.5 2*50*39.3
2CC-3.2 3 16.2 2*55*39.3
2CC-4.2 4 16.2 2*55*39.3
4DC-5.2 5 26.84 4*50*39.3
4DC-7.2 7 26.84 4*50*39.3
4CC-6.2 6 32.48 4*55*39.3
4CC-9.2 9 32.48 4*55*39.3
4TCS-8.2 8 41.33 4*60*42
4TCS-12.2 12 41.33 4*60*42
4PCS-10.2 10 48.5 4*65*42
4PCS-15.2 15 48.5 4*65*42
4NCS-12.2 12 56.25 4*70*42
4NCS-20.2 20 56.25 4*70*42
4H-15.2 15 73.6 4*70*55
4H-25.2 25 73.6 4*70*55
4G-20.2 20 84.5 4*75*55
4G-30.2 30 84.5 4*75*55
6H-25.2 25 110.5 6*70*55
6H-35.2 35 110.5 6*70*55
6G-30.2 30 126.8 6*75*55
6G-40.2 40 126.8 6*75*55
6F-40.2 40 151.6 6*82*55
6F-50.2 50 151.6 6*82*55
S6H-20.2 20 36.8 6*70*55
S6G-25.2 25 42.3 6*75*55
S6F-30.2 30 50.5 6*82*55

 

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