2205B0JE-DA-J-N_2014.05.  
2 Structure and Specifications of the Compressor 
Screw Compressor J-series  2.7 Capacity Control Characteristics 
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2.7  Capacity Control Characteristics 
The J-series can vary capacity continuously using the slide valve capacity control structure. 
This control system offers a wide capacity control range with high efficiency by hydraulic control. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Figure 2-23 Slide Valve Capacity Control Structure and Capacity Control Characteristics 
 
 
Example of Capacity Characteristics
N170JL-L
 
0%
20%
40%
60%
80%
100%
0% 20% 40% 60% 80% 100%
Capacity (Indicated load  % ) 
BKW  %