Bray Flow-Tek Triad Series - Maintenance and Repair; 10.1 Actuator Removal; 10.2 Stem Seal Adjustment

TRIAD SERIES 3-PIECE BALL VALVE
Installation, Operation, and Maintenance Manual
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contained herein shall not be copied transferred conveyed or displayed in any manner that would
violate its proprietary nature without the express written permission of Bray International Inc
 MAINTENANCE AND REPAIR
NOTICE
The valve may be assembled and operated dry where
no lubricants are allowed in the system however a light
lubrication of mating parts will aid in assembly and reduce
initial operating torque Lubricant used must be compatible
with the intended line fluid
 Actuator Removal
 Follow specific actuator installation operating and
maintenance instructions
 Ensure valve is properly supported when removing the
actuator
 If the valve is in the pipeline the process shall be stopped
 Disconnect all energy sources (electrical pneumatic or
hydraulic) prior to removing the actuator
 Properly support actuator assembly
 Remove and store mounting hardware
 Lift the actuator package in a direct line with the valve stem
until the actuator couplingadapter is clear of the valve
 The actuator package shall be placed in a location which will
avoid damage and personal injury
 Remove and store mounting bracket and couplingadapter A
lifting device may be required based on the size and weight
of the bracket and couplingadapter
 Stem Seal Adjustment
WARNING
DO NOT attempt to remove packing components or any other
valve parts while line is under pressure
For full port  -  (DN - ) or standard port ¾ - 
(DN - ) if slight leakage is noted at stem straighten tab lock
washer tighten lower lock nut to flatten Belleville washers back
lower lock nut o  turn secure tab lock washer by bending the
flat against the nut
For full port  and  (DN and ) simply tighten gland
bolts evenly in  turn increments until leak stops Do not over
tighten
Be careful to not over tighten the packing as this can result
in excess operating torque and accelerated wear of the stem
packing See Table  for recommended stem gland nut and gland
bolt torque for a new valve assembly When making stem packing
adjustments while the valve is in service torque values may
vary due to cycle frequency temperature and other operating
conditions