Onicon FT-3500 - Installing the Flow Meter

FT
-
3500 ELECTROMAGNETIC FLOW METER
ONICON Incorporated 727.447.6140 Page 21 onicon.com
Tools needed for standard installation:
• 1
5
/
16
” wrench or adjustable wrench
•
5
/
8
” wrench or small adjustable wrench
• Pipe wrench (to hold valve in place)
• Pipe thread sealant
3.2.7 Installing the Flow Meter
Flush, ll and pressure test the piping system prior to installing the meter. Loosen clamping nut to facilitate installation.
Keep sensor
head fully
withdrawn
during
installation.
Apply paste or
Teon tape as
necessary.
Thread hot tap
adapter on
to ball valve
and tighten as
necessary.
Maintain a rm
grip on the
enclosure when
opening valve.
Crack
valve to
test for
leaks.
CAUTION
If there are any leaks around the clamping nut or stem, DO NOT ATTEMPT TO STOP THE LEAKAGE BY
OVERTIGHTENING THE CLAMPING NUT. Damage to this nut or the clamping ring under the nut may prevent the
assembly from properly holding the meter in the pipe. The clamping nut is not part of the sealing mechanism. Any
leaks in this area indicate that the “O” ring is not sealing properly and you must contact ONICON for assistance.
WARNING
When you are ready to rell the system, make sure that all lines are lled with water before inserting the meter
into the ow stream. If the lines are not lled and this is a hot water system, some water may ash to steam and
exceed the high temperature limit for the sensor head assembly. This ash over could also exceed the pressure
ratings of the meter and the assembly could fail allowing steam and hot water to escape causing serious injury.
Clamping nut