Flomec G Series Handleiding voor producteigenaren - Pagina 6
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Temperature limit for SIP cleaning is primarily limited by the temperature rating on
the magnetic pickup. If the pickup temperature rating will be exceeded during SIP
cleaning, remove it during the cleaning process or a higher temperature rated
pickup should be specified. Internal components of the G-Series Sanitary Turbine
must be limited to less than 285° F (140° C). The temperature and pressure rating
of gaskets and clamps used in the installation must also be taken into
consideration when determining cleaning parameters.
Minimum requirements for effective sterilization with SIP cleaning are to maintain
250° F (121° C) at the coldest point in the system for a minimum of 30 minutes.
This requires a minimum of 15.3 psig (106 kPa) saturated steam pressure. Normal
recommended maximums for SIP cleaning on G-Series meters is 285° F (140° C)
and 39 psig (269 kPa) saturated steam pressure.
Disassembling the Turbine
1. Disconnect the turbine flowmeter cable from the magnetic pickup. (Refer to
Figure 1.)
2. Remove the magnetic pickup.
3. Ensure that the process line is depressurized and empty prior to removal of the
turbine flowmeter. Remove the turbine flowmeter from the process line.
4. Using a small screwdriver or similar tool, insert it into the radius notch of the
retaining ring on the outlet end, pull away from the groove and up, removing
the retaining ring from outlet end of the turbine flowmeter. This will allow the
rear support assembly and rotor to slide out of the turbine flowmeter body.
5. Remove the rear support assembly and rotor assembly before proceeding to
remove the front support.
NOTE: To remove the front support at the inlet end of the turbine flowmeter,
repeat the previous retaining ring and support removal operation.
6. Once the turbine flowmeter is taken apart, inspect the turbine flowmeter body
for signs of wear or defects. The body bore should be smooth and show no
evidence of wear.
NOTE: Do not install a new replacement kit into a turbine flowmeter body that
shows significant signs of wear.
7. Examine the rotor assembly for broken and/or bent blades. Remove any
foreign matter.
8. Examine the supports for signs of deterioration, such as wear marks and/or
burrs along the outer edge of the support vanes.
9. When the rotor assembly or the supports show any sign of deterioration, a new
replacement kit should be installed. Do not install a new replacement kit into a
defective turbine flowmeter body.
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