Xylem MM 616F Series FS-5 General Purpose Liquid Flow Switch User Manual

Page 4

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SECTION 2 - Connecting the Flow Switch to Pipe

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.
- 47 ft•lb (64 N•m) for 3/4” pipe
- 63 ft•lb (85 N•m) for 1” pipe

• Repeat to connect pipe to opposite side of

flow switch.

a. Apply pipe sealing compound or PTFE tape to the
pipe threads.

NOTE: Do not apply sealant to first threads as this
switch is grounded (earthed) via the pipe mounting.

PTFE

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