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3.1 Connection of air supply line
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WARNING: pneumatic supply to the Ruby 051-081
pumps must he made using FILTERED.
DRIED. NON LUBRICATED OIL FREE AIR at a pressure of not less than 2 bars and not more than 7
bars.
WARNING: do not remove RESET for any reason and/or do not connect the air supply to the
RESET channel
Warning! Do not use a ball valve as shut-off element
Note: Especially for plastic pumps or pumps with PTFE diaphragms it is highly recommended to install
a slow start valve in the supply line to the pump. This valve protects both the diaphragm and housing
parts against suddenly occurring pressure shocks.
3.2 Connection of cuction and pressure lines
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3.3 Pump in suction operation
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