Instruction book 
2920 1472 03    60 
7.4.4 Specific data of ZT30 up to ZT45  
 
 
Unit  ZT30-7.5   ZT30-8.6  ZT37-7.5   ZT37-8.6  ZT45-7.5   ZT45-8.6 
Nominal 
working 
pressure 
bar(e) 7 8 7 8 7 8 
Maximum 
working 
pressure  
bar(e) 7.5 8.6 7.5 8.6 7.5 8.6 
Maximum 
working 
pressure, Full-
Feature 
bar(e) 7.25 8.35 7.25 8.35 7.25 8.35 
Minimum 
working 
pressure 
bar(e) 4.0 4.0 4.0 4.0 4.0 4.0 
Installed motor 
power 
kW 30 30 37 37 45 45 
Oil capacity l 25 25 25 25 25 25 
Sound 
pressure level 
1) 
dB(A) 69 69 71 71 73 73 
Sound 
pressure level, 
WorkPlace Air 
System 1) 
dB(A) 66 66 68 68 70 70 
 
7.4.5 Specific data of ZR30 up to ZR45  
 
 
Unit ZR30-7.5  ZR30-8.6 ZR37-7.5  ZR37-8.6  ZR45-7.5   ZR45-8.6 
Nominal 
working 
pressure 
bar(e) 7  8 7 8 7 8 
Maximum 
working 
pressure  
bar(e) 7.5  8.6 7.5 8.6 7.5 8.6 
Maximum 
working 
pressure, Full-
Feature 
bar(e) 7.25  8.35 7.25 8.35 7.25 8.35 
Minimum 
working 
pressure 
bar(e) 4.0  4.0 4.0 4.0 4.0 4.0 
Installed motor 
power 
kW 30  30 37 37 45 45 
Oil capacity l 25  25 25 25 25 25 
Cooling water 
consumption 
at temperature 
rise of 15°C 
l/s 0.55  0.55  0.7  0.7  0.83  0.83 
Sound 
pressure level 
1) 
dB(A) 66 66 68 68 70 70