Retsch Emax - Cooling Surfaces of the Grinding Jar

First Commissioning
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Fig. 10: Connections for external cooling
Two 10/8 mm hoses (not contained in the scope of delivery) can be connected to the
connections already mounted on the housing. Alternatively, the connections can be removed
and replaced by own screw connections with a G 1/4'' thread.
NOTICE Please check the tightness of both connections.
The maximum pressure in feed and drain pipes must not exceed 6 bar. The minimum
temperature of the cooling liquid may not be less than 5 °C. Only clean, lime-free water is
permitted as cooling liquid.
External cooling specifications:
Cooling liquid
clean, lime-free water
Minimum pump pressure
0.6 bar
Maximum pump pressure
6 bar
Minimum cooling capacity at 20 °C
1 kW
Flow rate
10 l/min
Working temperature
0 °C – 40 °C
5.3 Cooling Surfaces of the Grinding Jar
The grinding jar is cooled by the cooling surfaces (KF) in the grinding jar support (G). For good
cooling performance, the surfaces on the grinding jar and support must be absolutely clean and
level.
 Remove any dirt and adhesion from the grinding jar and the support.
 Take care that the surfaces are level and undamaged.
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