FLEX User Instruction – 21TEM14546 EN
Page 16 of 43
3.6 Connections
3.6.1 Piping connections
Each FLEX unit has four pipe end connections with grooved ends for split couplings:
• FLEX 6300 3-inch NPS pipe Grooved pipe end (to Victaulic OGS specifications)
• FLEX 8600 4-inch NPS pipe Grooved pipe end (to Victaulic OGS specifications)
REMOVE PROTECTIVE COVERS FROM NOZZLES PRIOR TO INSTALLATION
Protective covers are fitted to all pipe connections on the device to prevent foreign objects and
debris from contaminating the device. Covers should remain in place until the unit is ready to
install. These covers must be removed prior to connecting the unit to any pipes.
USE APPROPRIATELY RATED COUPLINGS ON HIGH-PRESSURE CONNECTIONS
Pipe couplings with pressure ratings above the highest expected system pressure must be used
on high-pressure connections to the device.
PREVENT EXCESSIVE EXTERNAL PIPE LOAD
Refer to documentation from pipe coupling OEM for recommendations on system design,
operating limits, and allowable nozzle loads. It is not recommended to use pipe couplings to
support the static or dynamic loads of the FLEX unit(s).
3.6.2 Auxiliary connections
A ¼”-24 UNF threaded connection on the vessel can be used to attach an accelerometer or
other auxiliary instrumentation.
3.7 Accessories
No accessories are required to operate the device. Optional accessories include an optical
tachometer and an accelerometer to confirm proper operation and flow balance between
units in a rack and to monitor the device for issues over time.
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