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GEA Refrigeration Technologies
Semi-hermetic Duplex Compressors
GEA Bock Duplex Compressors
engineering for a better world
96231-06.2013-Gb Subject to change without notice2 | www.bock.de
Over 75 years ago, when the refrigeration and air-conditioning
industry was still in its infancy, our company's founder, Wilhelm
Bock, had a vision: he wanted to build first-class and reliable refri-
geration machines. In the following decades Bock developed into
one of the world's leading manufacturers of refrigeration and air-
conditioning compressors.
Today, GEA Bock offers as part of GEA Refrigeration Technologies
the right compressor for all fields of commercial-, industrial-, rail-,
bus- and transport refrigeration.
In this brochure we present you our program semi-hermetic duplex
compressors.
Be inspired. By our new products, our established product series
and the entire passion that goes into each of our products.
GEA Bock - More than a compressor
DisclaimerThis brochure has been produced for you with the greatest of care. Nevertheless it is not possible to rule out mistakes completely. In such cases we cannot assume any liability. The contents correspond to the status on going to print. Deviations cannot be ruled out because of the ongoing development process for our products.
The details are provided as unbinding general information and cannot substitute detailed, individual consultation. Reprints even only of excerpts only allowed with the explicit approval of GEA Bock GmbH. © GEA Bock GmbH 2013
396231-06.2013-Gb Subject to change without notice www.bock.de |
The F model series provides modern open type compressors for separate drive systems
(using V belts or direct couplings). Load transfer through a V pair.
Virtually all drive capacity requirements can be met.
Very compact compressor design, robust and easy to handle. Oil pump lubrication as
standard.
Single-stage compressors -
NH3 compressors -
Compressor units for direct drive -
NH3 Compressor units for direct drive -
The GEA Bock HG (Hermetic Gas-cooled) range of semi-hermetic compressors offers tradi-
tional suction gas-cooled compressor state of the art technology. These compressors of the
highest quality standard excel in their running comfort, easy maintenance, efficiency and
reliability. Suitable as standard for conventional or chlorine-free HFC refrigerants.
The HA (Hermetic Air-cooled) range, specially engineered by GEA Bock, is available for
deep-freezing applications, in particular for use with the refrigerants R22 and R404A.
Single-stage -
CO2 compressors subcritical -
CO2 compressors transcritical -
R134a compressors -
R407C compressors -
Semi-hermetic compressors HG (HA)
Open type compressors F
Production ProgramGEA Bock Compressors
GEA Bock vehicle compressors of the FK range are the result of many years of experience in
the domain of mobile cooling systems.
The unsurpassed light, compact, robust design and wide r.p.m. range are only some of the
outstanding features of this unique product range of two, four and six cylinder compressors.
A wide variety of designs can be tailored to suit individual requirements.
The so-called K version is a special innovation with a unique valve plate system for
maximum requirements in bus and coach air-conditioning systems.
Compressors for bus and train air-conditioning -
Compressors for transport refrigeration and other applications -
Vehicle compressors FK
ATEX compressors -
HC compressors -
Aluminium compressors -
2-pole compressors -
Two-stage compressors -
Duplex compressors -
Compressor units with receiver -
Condenser units air-cooled -
96231-06.2013-Gb Subject to change without notice4 | www.bock.de
Duplex compressors
GEA Bock duplex compressors are the simplest version of a parallel installation of two
compressors. The capacity can be controlled particularly efficient by switching one of the
compressors on or off.
Further capacity gradation is possible, as desired with additional capacity control (cylin-
der shut-off).
For the compressor DHG12P – DHG34e we offer the continuous variable speed control
of a compressor via a wired and connected frequency converter (option) that is directly
mounted on the compressor.
Special features:
Adjacent set up -
Each compressor has its own connection on the suction gas side (shut-off valve) -
No separate oil-gas compensator required -
Emergency operation with one compressor is possible in the event of a breakdown -
Information on the compressors:
Semi-hermetic GEA Bock compressors from the HG model series are used as the basic
compressors for duplex models.
Detailed descriptions and information on the basic compressor can be found in the
brochure “semi-hermetic GEA Bock compressors“.
Performance data and limits of application:
Performance data for the various refrigeration equipment can be found in the brochure
“semi-hermetic GEA Bock compressors“.
Scope of supply and accessories:
Two HG semi-hermetic reciprocating compressors mounted and fixed on a base frame -
adjacent to one another
Fitted with pipes on the suction side, with shared suction pipe connection -
Rubber plates included as accessories -
Further information on scope of supply and accessories for the different compressors is
available in the brochure for semi-hermetic GEA Bock compressors.
At a GlanceDuplex Compressors
Semi-hermetic GEA Bock duplex compressors
Our solutions are customer-
oriented and user-friendly,
because they are low-priced,
energy-efficient, long-lasting
and tailored to your indivi-
dual needs.
596231-06.2013-Gb Subject to change without notice www.bock.de |
At a GlanceDuplex Compressors
Type key - duplex compressors
Motor variant 4)
Number of poles
Swept volume
e-series 3)
Number of cylinders
Size
Ester oil filling 2)
Series 1)
1) DHG = Duplex compressors Hermetic Gas-cooled (suction gas-cooled)
2) X = Ester oil filling (HFC refrigerants e.g. R134a, R404A, R507, R407C)
3) = Additional declaration for e-series and P = Pluscom compressors
4) S = More powerful motor e.g. air-conditioning applications
DHGX34e / 215 - 4 S
Available models Displacement 50 Hz (1450 rpm)
Available models Displacement 50 Hz (1450 rpm)
DHG12P/60-4 S 2 x 5,40 m3/hDHG4/465-4 DHG4/465-4 S
2 x 40,50 m3/h
DHG12P/75-4DHG12P/75-4 S
2 x 6,70 m3/hDHG4/555-4 DHG4/555-4 S
2 x 48,20 m3/h
DHG12P/90-4 DHG12P/90-4 S
2 x 8,00 m3/hDHG4/650-4 DHG4/650-4 S
2 x 56,60 m3/h
DHG12P/110-4 DHG12P/110-4 S
2 x 9,40 m3/hDHG5/725-4 DHG5/725-4 S
2 x 62,90 m3/h
DHG22e/125-4 DHG22e/125-4 S
2 x 11,10 m3/hDHG5/830-4 DHG5/830-4 S
2 x 72,20 m3/h
DHG22e/160-4 DHG22e/160-4 S
2 x 13,70 m3/hDHG5/945-4 DHG5/945-4 S
2 x 82,20 m3/h
DHG22e/190-4 DHG22e/190-4 S
2 x 16,50 m3/hDHG6/1080-4 DHG6/1080-4 S
2 x 93,70 m3/h
DHG34e/215-4 DHG34e/215-4 S
2 x 18,80 m3/hDHG6/1240-4 DHG6/1240-4 S
2 x 107,60 m3/h
DHG34e/255-4 DHG34e/255-4 S
2 x 22,10 m3/hDHG6/1410-4 DHG6/1410-4 S
2 x 122,40 m3/h
DHG34e/315-4 DHG34e/315-4 S
2 x 27,30 m3/hDHG7/1620-4 DHG7/1620-4 S
2 x 140,60 m3/h
DHG34e/380-4 DHG34e/380-4 S
2 x 33,10 m3/hDHG7/1860-4 DHG7/1860-4 S
2 x 161,40 m3/h
DHG7/2110-4 DHG7/2110-4 S
2 x 183,60 m3/h
96231-06.2013-Gb Subject to change without notice6 | www.bock.de
DHG
Type
Num-berof
cylin-ders
Displacement50 / 60 Hz
(1450 / 1740 rpm)
Electrical data Weight Connections 6 Oil chargeVol-
tage
1
Max.workingcurrent
2
Max. power
consumption2
Startingcurrent
(rotor locked)
Discharge lineDV
Commonsuction line
SL
m³/h A kW A kg mm I inch mm I inch Ltr.∆ / Y ∆ / Y
DHG12P/60-4 S 2 x 2 2 x 5,40 / 6,40 3 2 x 6,8 / 3,9 2 x 2,2 2 x 40 / 23 106 2 x 12 I 1/2 22 I 7/8 2 x 0,8
DHG12P/75-4 2 x 2 2 x 6,70 / 8,10 3 2 x 7,1 / 4,1 2 x 2,3 2 x 40 / 23 106 2 x 12 I 1/2 22 I 7/8 2 x 0,8
DHG12P/75-4 S 2 x 2 2 x 6,70 / 8,10 3 2 x 8,0 / 4,6 2 x 2,6 2 x 43 / 25 108 2 x 12 I 1/2 22 I 7/8 2 x 0,8
DHG12P/90-4 2 x 2 2 x 8,00 / 9,60 3 2 x 8,5 / 4,9 2 x 2,8 2 x 43 / 25 108 2 x 12 I 1/2 22 I 7/8 2 x 0,8
DHG12P/90-4 S 2 x 2 2 x 8,00 / 9,60 3 2 x 8,8 / 5,1 2 x 2,9 2 x 45 / 26 99 2 x 12 I 1/2 22 I 7/8 2 x 0,8
DHG12P/110-4 2 x 2 2 x 9,40 / 11,30 3 2 x 9,2 / 5,3 2 x 3,1 2 x 43 / 25 107 2 x 12 I 1/2 22 I 7/8 2 x 0,8
DHG12P/110-4 S 2 x 2 2 x 9,40 / 11,30 3 2 x 10,6 / 6,1 2 x 3,6 2 x 45 / 26 98 2 x 12 I 1/2 22 I 7/8 2 x 0,8
DHG22e/125-4 2 x 2 2 x 11,10 / 13,30 3 2 x 9,3 / 5,4 2 x 3,0 2 x 69 / 40 158 2 x 16 I 5/8 28 I 11/8 2 x 1,0
DHG22e/125-4 S 2 x 2 2 x 11,10 / 13,30 3 2 x 10,8 / 6,2 2 x 3,6 2 x 69 / 40 158 2 x 16 I 5/8 28 I 11/8 2 x 1,0
DHG22e/160-4 2 x 2 2 x 13,70 / 16,40 3 2 x 11,1 / 6,4 2 x 3,7 2 x 69 / 40 159 2 x 16 I 5/8 28 I 11/8 2 x 1,0
DHG22e/160-4 S 2 x 2 2 x 13,70 / 16,40 3 2 x 13,1 / 7,6 2 x 4,4 2 x 87 / 50 162 2 x 16 I 5/8 28 I 11/8 2 x 1,0
DHG22e/190-4 2 x 2 2 x 16,50 / 19,80 3 2 x 13,8 / 8,0 2 x 4,8 2 x 69 / 40 157 2 x 16 I 5/8 28 I 11/8 2 x 1,0
DHG22e/190-4 S 2 x 2 2 x 16,50 / 19,80 3 2 x 16,2 / 9,4 2 x 5,6 2 x 87 / 50 160 2 x 16 I 5/8 28 I 11/8 2 x 1,0
DHG34e/215-4 2 x 4 2 x 18,80 / 22,60 3 2 x 14,0 / 8,1 2 x 4,8 2 x 87 / 50 196 2 x 22 I 7/8 35 I 13/8 2 x 1,3
DHG34e/215-4 S 2 x 4 2 x 18,80 / 22,60 3 2 x 18,3 / 10,5 2 x 6,0 2 x 132 / 76 204 2 x 22 I 7/8 35 I 13/8 2 x 1,3
DHG34e/255-4 2 x 4 2 x 22,10 / 26,60 3 2 x 17,0 / 9,8 2 x 6,0 2 x 87 / 50 195 2 x 22 I 7/8 35 I 13/8 2 x 1,3
DHG34e/255-4 S 2 x 4 2 x 22,10 / 26,60 3 2 x 21,1 / 12,2 2 x 7,2 2 x 132 / 76 203 2 x 22 I 7/8 35 I 13/8 2 x 1,3
DHG34e/315-4 2 x 4 2 x 27,30 / 32,80 3 2 x 21,1 / 12,2 2 x 7,4 2 x 111 / 64 200 2 x 22 I 7/8 35 I 13/8 2 x 1,3
DHG34e/315-4 S 2 x 4 2 x 27,30 / 32,80 3 2 x 25,5 / 14,7 2 x 8,9 2 x 132 / 76 206 2 x 22 I 7/8 35 I 13/8 2 x 1,3
DHG34e/380-4 2 x 4 2 x 33,10 / 39,70 3 2 x 26,1 / 15,1 2 x 9,3 2 x 111 / 64 199 2 x 22 I 7/8 35 I 13/8 2 x 1,3
DHG34e/380-4 S 2 x 4 2 x 33,10 / 39,70 3 2 x 31,2 / 18,0 2 x 11,1 2 x 132 / 76 205 2 x 22 I 7/8 35 I 13/8 2 x 1,3
* PW 1+2 *PW1 / PW 1+2
DHG4/465-4 2 x 4 2 x 40,50 / 48,60 4 2 x 18 2 x 11,0 2 x 57 / 75 336 2 x 28 I 11/8 54 I 21/8 2 x 2,7
DHG4/465-4 S 2 x 4 2 x 40,50 / 48,60 4 2 x 27 2 x 13,0 2 x 82 / 107 341 2 x 28 I 11/8 54 I 21/8 2 x 2,7
DHG4/555-4 2 x 4 2 x 48,20 / 57,80 4 2 x 27 2 x 12,9 2 x 82 / 107 339 2 x 28 I 11/8 54 I 21/8 2 x 2,7
DHG4/555-4 S 2 x 4 2 x 48,20 / 57,80 4 2 x 34 2 x 15,2 2 x 107 / 140 346 2 x 28 I 11/8 54 I 21/8 2 x 2,7
DHG4/650-4 2 x 4 2 x 56,60 / 67,90 4 2 x 27 2 x 15,7 2 x 82 / 107 343 2 x 28 I 11/8 54 I 21/8 2 x 2,7
DHG4/650-4 S 2 x 4 2 x 56,60 / 67,90 4 2 x 34 2 x 18,4 2 x 107 / 140 349 2 x 28 I 11/8 54 I 21/8 2 x 2,7
DHG5/725-4 2 x 4 2 x 62,90 / 75,50 4 2 x 33 2 x 16,5 2 x 82 / 107 434 2 x 28 I 11/8 54 I 21/8 2 x 3,6
DHG5/725-4 S 2 x 4 2 x 62,90 / 75,50 4 2 x 37 2 x 19,4 2 x 107 / 140 440 2 x 28 I 11/8 54 I 21/8 2 x 3,6
DHG5/830-4 2 x 4 2 x 72,20 / 86,70 4 2 x 33 2 x 18,9 2 x 82 / 107 431 2 x 28 I 11/8 54 I 21/8 2 x 3,6
DHG5/830-4 S 2 x 4 2 x 72,20 / 86,70 4 2 x 49 2 x 22,3 2 x 126 / 160 444 2 x 28 I 11/8 54 I 21/8 2 x 3,6
DHG5/945-4 2 x 4 2 x 82,20 / 98,60 4 2 x 37 2 x 22,6 2 x 107 / 140 440 2 x 35 I 13/8 54 I 21/8 2 x 3,6
DHG5/945-4 S 2 x 4 2 x 82,20 / 98,60 4 2 x 49 2 x 28,6 2 x 126 / 160 447 2 x 35 I 13/8 54 I 21/8 2 x 3,6
DHG6/1080-4 2 x 4 2 x 93,70 / 112,40 4 2 x 47 2 x 26,3 2 x 149 / 189 472 2 x 35 I 13/8 76 2 x 3,6
DHG6/1080-4 S 2 x 4 2 x 93,70 / 112,40 4 2 x 57 2 x 31,0 2 x 172 / 212 484 2 x 35 I 13/8 76 2 x 3,6
DHG6/1240-4 2 x 4 2 x 107,60 / 129,10 4 2 x 57 2 x 30,5 2 x 172 / 212 480 2 x 35 I 13/8 76 2 x 3,6
DHG6/1240-4 S 2 x 4 2 x 107,60 / 129,10 4 2 x 71 2 x 36,0 2 x 204 / 250 486 2 x 35 I 13/8 76 2 x 3,6
DHG6/1410-4 2 x 4 2 x 122,40 / 146,90 4 2 x 57 2 x 35,6 2 x 172 / 212 476 2 x 35 I 13/8 76 2 x 3,6
DHG6/1410-4 S 2 x 4 2 x 122,40 / 146,90 4 2 x 71 2 x 42,6 2 x 204 / 250 481 2 x 35 I 13/8 76 2 x 3,6
DHG7/1620-4 2 x 6 2 x 140,60 / 168,80 5 2 x 76 2 x 38,7 2 x 223 / 340 623 2 x 42 I 15/8 76 2 x 4,5
DHG7/1620-4 S 2 x 6 2 x 140,60 / 168,80 5 2 x 83 2 x 46,3 2 x 268 / 373 664 2 x 42 I 15/8 76 2 x 4,5
DHG7/1860-4 2 x 6 2 x 161,40 / 193,70 5 2 x 83 2 x 44,6 2 x 268 / 373 659 2 x 42 I 15/8 76 2 x 4,5
DHG7/1860-4 S 2 x 6 2 x 161,40 / 193,70 5 2 x 98 2 x 53,3 2 x 291 / 429 649 2 x 42 I 15/8 76 2 x 4,5
DHG7/2110-4 2 x 6 2 x 183,60 / 220,30 5 2 x 98 2 x 51,2 2 x 291 / 429 645 2 x 42 I 15/8 89 2 x 4,5
DHG7/2110-4 S 2 x 6 2 x 183,60 / 220,30 5 2 x 115 2 x 60,5 2 x 344 / 500 661 2 x 42 I 15/8 89 2 x 4,5
* PW = Part Winding, motors for part winding start 1 = 1. part winding 2 = 2. part winding
Technical DataDuplex Compressors
796231-06.2013-Gb Subject to change without notice www.bock.de |
Technical DataDuplex Compressors
Explanations:
Tolerance (± 10%) relates to the mean value of the voltage
range. Other voltages and current types on request.
- The specifications for max. power consumption apply for
50Hz operation. For 60Hz operation, the specifications have
to be multiplied by the factor 1.2.
The max. working current remains unchanged.
- Take account of the max. operating current / max. power
consumption when designing contactors, leads and fuses.
Switches: service category AC3
220-240 V ∆ / 380-420 V Y - 3 - 50 Hz
265-290 V ∆ / 440-480 V Y - 3 - 60 Hz
380-420 V Y/YY - 3 - 50 Hz PW
440-480 V Y/YY - 3 - 60 Hz PW
PW = Part Winding, motors for part winding start
(no start unloaders required)
- Winding ratio:
DHG4, DHG5, DHG6 = 66% / 33%
- Designs for Y/∆ on request
380-420 V Y/YY - 3 - 50 Hz PW
440-480 V Y/YY - 3 - 60 Hz PW
PW = Part Winding, motors for part winding start
(no start unloaders required)
- Winding ratio: DHG7 = 60% / 40%
- Designs for Y/∆ on request
For soldering connections
Oil sump heater 110-240 V - 1 - 50/60 Hz (option)
DHG12P, DHG22e, DHG34e: 50-120 W, IP66
PTC heater, self-regulating, installation in housing bore
Oil sump heater 230 V - 1 - 50/60 Hz (option)
- DHG4: 80 W, IP67
- DHG5, DHG6, DHG7: 140 W, IP67
Permanently set version, installation in immersion sleeve
1
2
3
4
5
6
96231-06.2013-Gb Subject to change without notice8 | www.bock.de
Dimensions and ConnectionsDuplex Compressors
DHG12P DHG12P/60-4 S DHG12P/75-4 DHG12P/75-4 S
DHG12P/90-4 DHG12P/90-4 S
DHG12P/110-4 DHG12P/110-4 S
Dimensions in mm
DHG22e DHG22e/125-4 DHG22e/125-4 S
DHG22e/160-4 DHG22e/160-4 S
DHG22e/190-4 DHG22e/190-4 S
DV DV
SL
660ca.
178
550
324
330 4x 11
ca.360
135
ca.415208
ca.
110
140
105223
ca.
ca.470
DV DV
SL
344
660
330
ca.550
195
4x 11
ca.390
- Connections see page 6
996231-06.2013-Gb Subject to change without notice www.bock.de |
Dimensions and ConnectionsDuplex Compressors
DHG34e DHG34e/215-4 DHG34e/215-4 S
DHG34e/255-4 DHG34e/255-4 S
DHG34e/315-4 DHG34e/315-4 S
DHG34e/380-4 DHG34e/380-4 S
Dimensions in mm
DHG4 DHG4/465-4 DHG4/465-4 S
DHG4/555-4 DHG4/555-4 S
DHG4/650-4 DHG4/650-4 S
Dimensions in ( ) = DHG4/650-4, DHG4/650-4 S
650380
353
110 SL
DVDV
760ca.
195
4x 11
ca.400
ca.120
308ca.540
DV DV
SL870
378
ca.970
270
195
485 4x 11
ca.1
85 (
155)
ca.5
05
100 (115)436ca.690 (725)
- Connections see page 6
96231-06.2013-Gb Subject to change without notice10 | www.bock.de
Dimensions and ConnectionsDuplex Compressors
Dimensions in mm
DHG6 DHG6/1080-4 DHG6/1080-4 S
DHG6/1240-4 DHG6/1240-4 S
DHG6/1410-4 DHG6/1410-4 S
DHG5 DHG5/725-4 DHG5/725-4 S
DHG5/830-4 DHG5/830-4 S
DHG5/945-4 DHG5/945-4 S
Dimensions in ( ) = DHG5/945-4, DHG5/945-4 S
DVDV
SL
ca.
ca.5
05
11
383
970
485
270
8704x
ca.1
60 (
140)
200
ca.815 (830)508 120 (135)
533 135ca.850
DVDV
SL870
ca.505
170
485
383
270
ca.970
4x 11
ca.195
- Connections see page 6
1196231-06.2013-Gb Subject to change without notice www.bock.de |
Dimensions and ConnectionsDuplex Compressors
Dimensions in mm
DHG7 DHG7/1620-4 DHG7/1620-4 S
DHG7/1860-4 DHG7/1860-4 S
DHG7/2110-4 DHG7/2110-4 S
625 4x 131150
SL
DVDV
289431
215
1250
ca.165
ca.600
140472ca.830
- Connections see page 6
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GEA Refrigeration Technologies
GEA Bock GmbH
Benzstraße 7, 72636 Frickenhausen, GermanyPhone: +49 7022 9454-0, Fax: +49 7022 [email protected], www.bock.de, www.gea.com
GEA Group is a global engineering company with multi-billion euro sales and operations in more than50 countries. Founded in 1881, the company is one of the largest providers of innovative equipmentand process technology. GEA Group is listed in the STOXX® Europe 600 index.
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