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34 Benutzerinformation RKP für explosionsgefährdete Bereiche (CA57626 Version 2, 02/2016) Moog GmbH
The radial piston pumps may only be operated as a component part of a higher-level overall
system, for example a machine.
The radial piston pumps may be used in hydraulic systems as control elements for volume flow
control, pressure control and power control. Qualified hydraulic fluids are Mineral Oil, oil in water
emulsions (HFA, HFB), water glycol (HFC), synthetic ester (HFD), Cutting Emulsion and Cutting
Oil, Isocyanides, Polyol and Skydrol.
Ambient and hydraulic fluid temperature range for operation
Hydraulic fluid Permissible range of
ambient temperature
Permissible range of
fluid temperature
Mineral Oil -15°C to 60°C -15°C to 80°C
HFA, HFB, Cutting Fluid,
Cutting Emulsion
0°C to 40°C 5°C to 40°C
HFC 0°C to 40°C 5°C to 55°C
HFD 0°C to 60°C 0°C to 80°C
Skydrol -15°C to 50°C -15°C to 50°C
Isocyanides, Polyol 15°C to 60°C 15°C to 60°C
Table 3: Ambient and hydraulic fluid temperature range for operation
Additional information
Chap. 12.6 Supplemental Documentation
13.2.1. ATEX marking RKP19, RKP32, RKP45
ATEX Marking and Range of Application
II -/2 GD c T135°C (T4) -15°C
T
a
+ 60°C
Table 4: Marking and range of application of RKP19, RKP32, RKP45
13.2.2. ATEX marking RKP63, RKP80, RKP100, RKP140, RKP250
ATEX Marking and Range of Application
II -/2 GD c b T135°C (T4) -15°C
T
a
+ 60°C
Table 5: Marking and range of application for zone 1 and zone 21 of RKP63, RKP80,
RKP100, RKP140 and RKP250
For operation of RKP63, RKP80, RKP100, RKP140 and RKP250 in Category 2 (Zone 1 and
Zone 21) area, the monitoring of the leakage oil is mandatory.
Chap. 13.3.2 Temperature monitoring of the pump
ATEX Marking and Range of Application
II -/3 GD c T135°C (T4) –15°C
T
a
+ 60°C
Table 6: Marking and range of application for zone 2 and zone 22 of RKP63, RKP80,
RKP100, RKP140 and RKP250
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