Series CD
						 
					| Displacement @ 60 Hz | 21,41 | [m³/h] | 
| Discharge valve (socket welding) | 22 | [mm] | 
| Displacement @ 50 Hz | 17,84 | [m³/h] | 
| Net weight | 172 | [kg] | 
| Discharge valve (butt welding) | 28 | [mm] | 
| Suction valve (butt welding) | 28 | [mm] | 
| Stroke | 37 | [mm] | 
| Bore | 42 | [mm] | 
| No. cylinders | 4 | |
| Oil charge | 2,5 | [L] | 
| Suction valve (socket welding) | 22 | [mm] | 
 
							A - Oil sight glass
B - Oil charge plug
C - Low pressure connection
D - High pressure connection
E - Oil drain plug
F - Crankcase heater
G - Oil return plug
P - Oil differential pressure switch
R - Oil level connection
DL - Discharge service valve
SL - Suction service valve
LPSV - LP safety valve
HPSV - HP safety valve
