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DOC0945 (22 August 2022 15:28)
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Table 9 - Specifications and safety limits
Parameter
Port flange
Pressure
Limited by the ASME B16.5-2020 Pipe Flanges and
Flanged Fittings standard. Pressure derated with
temperature
Analyte Temperature
Refer to IRmadillo product label
Probe Body Material
Hastelloy C276
Port flange Material
Hastelloy C276
Gasket Material
Customer supplied. Material must be to specification
of standard ANSI B16.21 or EN equivalent
Port Size
Nominal pipe size: 2 inches
5.5.2. Installation
The sealing face on the probe requires a gasket to mate against the flange on the process
pipework. The gasket material must be chosen to be compatible with the pressure and
temperature range of the process media and must be chemically compatible.
WARNING
Choice of gasket material must be appropriate for the chemistry
and process being used.
The probe body and hub are manufactured from Hastelloy, which is resistant to many
aggressive chemicals.
However, you are advised to check with Keit before installing on
a new process.
Before beginning installation, ensure that the gasket is in good condition and that the sealing
faces are not scratched or dented.
If the IRmadillo is not going to be installed into the pipe immediately, the blanking plug can be
positioned with the groove aligning with the rear of the port tube and held in place using the
sanitary tri clamp.
Support the spectrometer on a suitable mounting frame that aligns the probe with the flange
port to which it will be fitted. The probe is inserted through the port tube; it must have a O-ring
positioned in front of the clamping groove to seal.
Avoid applying stress to the probe or flange by ensuring that the sealing face of the hub sits
flush against the gasket and sealing face of the mating flange before fitting any mounting bolts
to the flange.
5.5.3. Maintenance
Keit recommends regular inspection of the integrity of the welds on the front and rear in line
with local safety procedures.
Inspection of the sealing weld will require removal of the flange and spectrometer from the
pressure vessel and can be completed as part of regular inspection/maintenance of the
spectrometer and pipework.