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Instruction Manual
D103796X012
Figure 2. Typical Fisher TBX Installation
USPL
KEY:
DSPL = DOWNSTREAM STRAIGHT PIPE LENGTH
PI = PROPORTIONAL INTEGRAL CONTROLLER
PSL = PRESSURE SENSOR LENGTH
PT = PRESSURE TRANSMITTER
TE = TEMPERATURE SENSOR ELEMENT
TSL = TEMPERATURE SENSOR LENGTH
USPL = UPSTREAM STRAIGHT PIPE LENGTH
X0355
Installation
WARNING
Always wear protective gloves, clothing, and eyewear when performing any installation operations to avoid personal
injury.
Personal injury or equipment damage caused by sudden release of pressure may result if the TBX-T desuperheater is
installed where service conditions could exceed the limits of the pressure rating noted on the nameplate. To avoid such
injury or damage, provide a relief valve for over pressure protection as required by government or accepted industry codes
and good engineering practices.
Check with your process or safety engineer for any additional measures that must be taken to protect against process
media.
If installing into an existing application, also refer to the WARNING at the beginning of the Maintenance section in this
instruction manual.
CAUTION
When ordered, the desuperheater configuration and construction materials were selected to meet particular pressure,
temperature, pressure drop, and fluid conditions. Do not apply any other conditions to the desuperheater without first
contacting your local
Emerson sales office
1. Before installation, all piping upstream of the valve must be blown clean so that no loose materials such as welding
slag, dirt or other foreign matter, are left in the pipe. Use care to keep foreign matter out of the line openings while
preparing the valve installation.
TSL
PSL
DSPL
or Local Business Partner.
TBX-T Desuperheater
July 2017
3
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