PROCEDURE
PR5 - 2
R
6. Access the sensor by one of the following three methods.
a.
Hand-tight low pressure hardware — Undo the outermost compres-
sion nut followed by the innermost compression nut and withdraw the
insertion rod assembly from the compression fitting body.
b. Wrench-tight low pressure hardware — Undo the 1½ in. NPT
thread connecting the compression fitting body to the ball valve.
c.
High pressure hardware — Undo the end cap and withdraw the
insertion rod assembly from the extraction housing.
Figure PR5-1. Low Pressure Hot Tap Assemblies
T00877A
HAND-TIGHT COMPRESSION FITTING HARDWARE
WRENCH-TIGHT COMPRESSION FITTING HARDWARE
OUTMOST COMPRESSION NUT
INNERMOST COMPRESSION NUT
1-1/2-IN. FULL
PORT BALL VALVE
1/4-IN. FLUSHING
PORTS (2 TYP)
INSERTION ROD
HAND-TIGHT
COMPRESSION
FITTING
1-1/2-IN. TEE
1-1/2-IN. NIPPLE
INSERTION ROD RETRACTED
INSERTION ROD EXTENDED
1-1/2-IN. NPT THREAD
WRENCH-TIGHT
COMPRESSION FITTING