9.1
[en] 02/2014
Installation and operating manual - NK 31
9 Technical Data and Tightening Torques
Note
This sheet contains only general technical data for this screw compressor.
The corresponding ROTORCOMP performance sheet applies for calculation, design and measure-
ment.
Technical data on the entire screw compressor system, drive motors, electrical system and accessory
components in accordance with the corresponding data sheet of the manufacturer or supplier.
9.1 Technical data
Screw compressor model RC NK 31
Max. operating pressure. bar (g) 15
psi 218
Max. gauge pressure. bar (g) 16,5
psi 239
Max. delivered quantity according to DIN 1945 up to * m
3
/min 1,18
cfm 42
Required output up to
(full load without fan)
kW 7,5
hp 10
Max. speed of main rotor ** rpm 4200
Oil capacity, approx. l 3
Machine weight without oil, approx. kg 39
lbs 86
Compressed-air connection inch G ½“
Max. outlet temperature °C 110
°F 230
Max. room temperature °C 45
°F 115
* at 7 bar (g)
** up to max. 7 bar (g)
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