Replacing T11 Transducers In A Pressurized Pipe - Panametrics Sentinel User Manual

Chapter 6. Transducer Replacement
6.4

Replacing T11 Transducers in a Pressurized Pipe

If T11 transducer replacement is required and the pipeline cannot be depressurized, follow the procedure in this
section.
IMPORTANT: The following procedure is used only in situations where the process line cannot be shut down.
Note: To replace T11 transducers in a depressurized pipe, see "Replacing T11 Transducers in a Depressurized Pipe"
on page ci.
WARNING!
WARNING!
WARNING!
WARNING!
The following equipment is required to complete the removal and re-installation of T11 transducers in a pressurized
pipe line:
• Torque wrench, with 9/16" and 5/8" sockets
• Spray lubricant
• Anti-seize lubricant
• Sentinel T11 insertion mechanism kit
IMPORTANT: Removal and re-installation must be done as a single process. Do not leave the pipeline with no
transducers installed for an extended period of time.
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Follow all applicable safety codes while performing the following procedure.
Make sure the power is disconnected before performing the following steps.
During the installation and removal of a transducer, the indicated danger zone areas
are potential pinch points (see Figure 83 on page cix). Attention is required to ensure
safe use.
Because of the serious nature of replacing transducers in a pressurized pipe, it is
recommended that the following procedures be handled by an experienced field
service individual.
Sentinel™ User's Manual