Xylem MM 615D Series FS1 High Sensitivity Liquid Flow Switch - Manual (Page 4)

4
STEP 2 - Connecting the Flow Switch to Pipe
FLOW
b. Insert pipe threads into flow switch and turn 2
or 3 times until tight.
• Place one pipe wrench on hex fitting of flow
switch and one wrench on connecting piping.
Tighten to following torque values.
- 31 ft•lb (42 N•m) for 1/2” pipe
• Repeat to connect pipe to opposite side of
flow switch.
a. Apply pipe sealing compound or pe to the
pipe threads.
NOTE: Do not apply sealant to first threads as this
switch is grounded (earthed) via the pipe mounting.
PTFE ta
PTFE