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Vapor injection is a versatile method of improving system capacity and efficiency in many commercial refrigeration applications. Traditionally the only way to enjoy the added benefits of this type of mechanical subcooling was with a large screw compressor or two semi-hermetic reciprocating compressors. Now the Copeland Scroll® compressor enables significant performance gains with a single compressor. Injecting vapor in the middle of the compression process boosts capacities and efficiencies significantly. Scroll Compressors in Refrigeration Building on the success of scroll compressors in the refrigeration market world-wide, Emerson Climate Technologies, Inc. includes the ZF*KVE family of high efficiency refrigeration scrolls with vapor injection dedicated to low temperature applications. Vapor Injection Circuit for Low Temperature Applications The new scroll range includes 6 models from 4 to 15 HP and is designed to offer high efficiency levels at low evaporating temperatures with R404A and R507. It is the ideal choice for condensing units, parallel racks and distributed refrigeration systems. Copeland Scroll with Vapor Injection The ZF*KVE scroll compressor cycle is similar to a two-stage cycle with interstage cooling but with one single compressor. The high stage consists of extracting a portion of the condenser liquid and expanding it through an expansion valve into a heat exchanger acting as a subcooler. The superheated vapor is then injected into an intermediate port in the scroll compressor. The additional subcooling increases evaporator capacity.
Please find more ZF types below and contact us for more information:
Model No.
Nom HP
Displ. cc/rev
evaporating temperature: °c
-40
-35
-25
-15
-5
0
ZF06KQE TFD550
2
34
900
1134
1600
2450
3300
3960
ZF08KQE TFD550
2.5
41.9
1100
1433
2100
3150
4200
5040
ZF09KQE TFD550
3
46.4
1200
1500
2300
3300
4700
5600
ZF11KQE TFD550
3.5
57.5
1500
1800
2800
4100
5800
7000
ZF13KQE TFD551
4
67.8
1700
2100
3200
4800
6900
8200
ZF15KQE TFD551
5
83.3
2100
2600
3900
5800
8300
10000
ZF18KQE TFD551
6
98.8
250
3100
4800
6900
10000
12000
ZF24KQETWD551
7.5
126
3060
3800
580
8500
12300
14700
ZF33KQETWD551
10
166
4350
5300
8200
12200
17500
20800
ZF41KQETWD551
13
204
5200
6400
10000
14800
21300
25500
ZF48KQETWD551
15
244
6000
7400
11400
16900
24500
29300
1,The advantages of scroll technology combined with the benefits of vapor injection: • Lower First Cost: increased cooling capacity leads to use of smaller or fewer compressors.
• Lower Operating Costs: efficiency gains enable ZF*KVE to outperform reciprocating compressors and reduce energy consumption significantly.
• Environmental Safeguards: improved efficiency allows for energy savings and reduced CO2 emissions.
• Compactness: weight and dimensions for refrigeration equipment is reduced with increased capacity per compressor.
• System Stability: the enhanced vapor injection effect is proportional to the pressure ratio, therefore the delivered capacity consistantly matches the seasonal load associated
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Year Established:
2006
Total Annual:
44000000-60000000
Employee Number:
110~115
Ecer Certification:
Verified Supplier
Shenzhen Ruifujie Technology Co., Ltd is a leading supplier of high-quality compressors for a wide range of industries and applications. With over 14 years of experience in the industry, we have built a reputation for
providing exceptional products and services to our customers.
&nb... Shenzhen Ruifujie Technology Co., Ltd is a leading supplier of high-quality compressors for a wide range of industries and applications. With over 14 years of experience in the industry, we have built a reputation for
providing exceptional products and services to our customers.
&nb...