Pentair THS Series Installation And User Manual page 15

STEP 4: Waste Header Installation
Place gasket of grooved coupling assembly on
grooved connection of influent valves. Install the waste
extension on to the system as shown in picture. Install
groove coupling assembly. Snug the nuts to "hand
tight", but do not fully tighten.
STEP 5: 6" 2-way Valve Installation
Place isoplast bolts through the flange on the
effluent header, then place a flange gasket on to the
flange. Install the valve on to the flanges making
sure to align the flange holes with the bolts. The
arrow on the valve cover should be pointing
away from the tank, in the direction of the
effluent flow. Install isoplast nuts. Snug the nuts to
"hand tight", but do not fully tighten.
STEP 6: Sightglass Installation
Assemble the sightglass by threading the glass portion into
the threaded saddle on the spool. Be sure to use pipe
thread sealant tape on the threads. Place isoplast bolts
through flange on the waste header, then place a flange
gasket on to the flange. Install the sightglass assembly on
to the waste flange. Orient the glass portion so it will be
visible during operation. Install isoplast nuts and snug
them to "hand tight", but do not fully tighten.
Diaphragm Valve Face Piping Kit Installation Manual
5/31/12
Pg. 14 of 52
Rev. F