Installation Guide

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NOTE: The clear protective sleeve is designed to separate the line
insulation from the valve handle, allowing valve operation
without damaging the insulation. An adhesive may be used
to form a bond between insulation and the clear protective
sleeve, up to approximately 1/2" below the top of the NIB-
SEAL Handle. Cycle valve after adhesive has dried to assure
proper rotation of the handle and proper valve function.
c. Solder End Valves
i. Solder end valves will be supplied with handle and handle nut
packed separately in the box.
CAUTION: The handle, including the clear protective sleeve, should
be installed on the valve only after soldering has been
completed and the valve has cooled. Use procedures
listed below.
ii. Replace the clear protective sleeve and handle by fitting the handle
inside the sleeve and then over the stem and handle stop.
iii. Replace the handle nut with the locking feature on top for easy
starting of the nut. Care should be taken to avoid cross threading of
nut to stem. Tighten nut securely.
iv. Replace the insulating plug and cap.
v. The valve is now ready for normal operation.
vi. Heat from soldering, if excessive, may affect the stem seal. After
completion of soldering, it may be necessary to tighten packing
gland. Always check for leakage after soldering.
d. Memory Stop Adjustment
i. Rotate the valve handle to the desired open position. See Section
IV, Caution, note iv, regarding throttling.
ii. Remove the center cap and insulating plug.
iii. Loosen (do not remove) the two small screws in the bottom of the
handle.
iv. Slide the memory stop plate against the valve handle stop.
v. Tighten the two small screws. The valve can now be closed and
then reopened to the set position.
vi. Replace the insulating plug and center cap.
vii. The valve is now ready for normal operation.
e. CAUTIONS
i. The handle is designed to be operated by hand. A cheater should
not be used.
ii. The maximum operating temperature of the valve must not exceed
250°F.