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WITT-GASETECHNIK GmbH & Co KG
Gas Safety- & Control Equipment
Warning !
The gases to be analysed are only permitted to be supplied via the gas inlet connections
with the corresponding markings.
Warning !
The maximum permitted gas inlet pressures in the technical data must not be exceeded. If
necessary this is to be ensured by, e.g., the installation of safety relief valves or burst discs.
5.4 Installation of gas pipes
Install the pipes necessary for the gas supply in a correct manner.
Observe following safety instructions:
Warning !
The pipes must be un-pressurised during connection.
Warning !
It is to be ensured the pipes upstream of the system are appropriately sized to ensure the
adequate supply of the individual gases to be mixed (inner diameter at least as large as the
connections, see technical data Section 9) .
Warning !
It must be possible to shut oft the gas supply pipes upstream of the gas analyser.
Warning !
All supply pipes must be free of oil and grease, and free of other contaminants (e.g. dust,
etc.). ft necessary all pipes are to be blown out using nitrogen or clean, oil- free air prior to
connection to the gas analyser.
The sample gas should be withdrawn from a tapping located as close as possible to the con-
sumer.
Connect the sample gas vent and the bypass vent (optional equipment) port each to a suitable
vent line or hood. Make sure that the gas is safely discharged to the atmosphere. Do not install
shut-off valves in the vent line. Any flow restrictions in the vent gas line shall be avoided.
The supply of suitable calibration gases to the analyser is a customer responsibility.
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