Direct Pipeline Connection - Michell Instruments Pura User Manual

Pura Advanced Online Hygrometer User Manual
2.7.2

Direct Pipeline Connection

The transmitter may be directly mounted into a pipe or duct .
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The pipe or duct will require a 1/2" VCR male process connection thread to match the
transmitter body thread. For circular pipework, to ensure the integrity of a gas tight
seal, a mounting flange will be required on the pipework in order to provide a flat
surface to seal against.
Procedure
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1. Ensure that the red protective cover has been removed from the
tip of the transmitter.
2. After first checking that the pipeline has a wide enough bore to
accept the transmitter's process connection screw the transmitter
into the pipe. Tighten enough to obtain a gas tight seal. (Torque
will depend upon the pipeline material.)
Michell Instruments recommends the use of Swagelok
containing silver plated, stainless steel 1/2" VCR gaskets, when connecting the Pura
into a gas line.
NOTE: Do not overtighten or the thread on the pipework may be stripped.
Michell Instruments
CAUTION: Do not mount the transmitter too close to the
bottom of a bend where any condensate in the pipeline might
collect and saturate the probe.
The following procedure must be carried out by competent
WARNING: Under no circumstances should the filter guard be
handled with the fingers.
personnel.
retained gasket assemblies,
®
INSTALLATION
9