Honeywell Series STT830 Threaded and socket weld assembly with thermowell and extension

Product Description :

Choose the unit to meet your application needs:
• STT820: Rigid Probe assembly without thermowell

• STT830: Threaded and socket weld assembly with
thermowell and extension

• STT840: Drilled Flanged assembly with thermowell
and extension.

Range:
All engineering range parameters must be entered to match the trip points in the safety logic solver. These parameters must be verified during the installation and commissioning to ensure that the correct parameters are set in the transmitter.

Engineering range parameters can be verified by reading these parameters from the local display or by checking actual calibration of the transmitter.

Description of product :
The STT800 series integrated temperature probe assemblies cater to tough industrial applications and are available with variety of process connection options.
The integrated temperature probe assemblies are ready for installation when they are calibrated and shipped from the factory. They can be ordered with variety of RTD and Thermocouple elements and wells.

Thermowells are generally incorporated into the process three ways, threaded, welded or a flanged connection. For smaller diameters where the well is not required to be removed on a regular basis and corrosion is not a serious problem, threaded process connections are preferred. By threading into a coupling, thread-o-let or TEE, the well has attached directly to the vessel or run pipe. For installations where the well needs to be removed more frequently due to corrosion or other requirements, a flange connection is used.

The flange connection will bolt to a mating flange mounted to the process. Flange connections are more appropriate for high-pressure applications and larger pipe sizes. For applications where access is not required, a socket well can be used; these provide a high quality connection and cannot be removed without significant effort. Welded connections are also preferred for high pressure, high temperature steam lines.

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