TRIAD SERIES 3-PIECE BALL VALVE
Installation, Operation, and Maintenance Manual
of © BRAY INTERNATIONAL INC ALL RIGHTS RESERVED BRAYCOM The Information
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
Stem packing leakage may be corrected without disassembly
by tightening the stem lower lock nut or gland bolt until such
leakage stops If the leakage continues or valve operating torque
becomes excessive the seals are work and replacement will be
necessary
Disassembly and Cleaning Procedure
CAUTION
Line must be depressurized before disassembly Valve should
be cycled to assure there is no pressure is trapped in valve
cavity Ball valves can trap pressurized media when closed
Flush line with valve open to remove media If the
valve has been used to control hazardous media it must be
decontaminated before disassembly
WARNING
DO NOT attempt to remove packing components or any other
valve parts while line is under pressure
CAUTION
Properly support the valve before removing or loosening any
body bolts The larger sizes are heavy and may cause injury if
allowed to swing or fall freely
WARNING
Remove actuation media and power connections and confirm
that there is no stored energy in the actuation such as
compressed springs or trapped air before beginning Stored
energy devices can cause serious injury if the energy is
released without warning
It is recommended that the following steps be taken for safe
removal and assembly
NOTICE
Certain valve constructions are uni-directional A flow arrow
will indicate the flow direction Care should be take when
rebuilding the valve to ensure these special constructions are
considered
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