15 . Install the three lock nuts onto the threaded rods, tightening only the lock nut on the threaded rod with the preset hex/
jam nut .
16 . Then bring the two remaining lock nuts down until they just contact the positioning collar . Do not tighten at this time .
17 . Remove the HTT by loosening the two thumbscrews, removing the clevis pin and sliding the insertion tool off the sensor .
Then bring the two remaining sets of hex/jam nuts up to the underside of the positioning collar and tighten .
18 . Align the sensor by loosening the two set screws in the side of the positioning collar with a 3/32 inch Allen wrench .
19 . Align the sensor sight holes along the pipe axis using the alignment rod from the sensor installation kit . Make sure the
flow label arrow on the sensor matches the liquid flow direction inside the pipe .
20 . Tighten the positioning collar set screws .
OTEE:
N
As a backup to the flow label arrow, there is a small hole located beside one of the sight holes to also indicate the
upstream side of the sensor .
For removal of a Series 225, 226 flow sensor from a pressurized pipeline, refer to the document titled
Hot Tap Flow Sensors
Application Data Sheet
, available in the Resource Library at
www.badgermeter.com
.
Hot Tap Installation for 225BR, 226BR, and 226SS
Page 9
February 2018
SEN-UM-01635-EN-11