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
Rotate the stem to the closed position and install the ball
inside the valve body The stem flats will fit into the slot on
top of the ball Lifting aid may be required to install the ball
Be careful not to damage sealing surfaces of ball or body
Turn the stem so that the ball is in the open position (the
ball will not fall out of the valve)
lnstall the second seat inside the body on the remaining
side and two body seals (inner and outer) inside the
remaining end cap make sure the spherical curvature side
of the seat will face the ball
NOTICE
Body boltsbody nuts must be tightened in a cross or star
pattern to prevent uneven loading of the body seal
Lubricate threads and the bolt faces in contact with the end
caps with grease compatible with the media Install the end
cap on to the body with the body bolts Tighten the body
bolts in a cross pattern per Figure based on number of
fasteners per body joint Fastener torque should applied at
and and once more at increments per
Table
Evenly Tighten the gland bolts to the torques in Table
NOTICE
The use of a bore alignment tool about inches (mm)
less than the internal diameter of the end cap and ball
inserted through the end cap and ball will prevent the ball from
turning as the gland bolts are tightened
Material for the bore alignment tool should be made from
a material softer than Series SS so that it will not
inadvertently scratch the valve end cap or ball Suggested
materials aluminumT acetal or other suitable hard
polymerplastic material
If equipped with a handle install handle on to the valve
stem and secure the handle with handle bolt
Cycle the valve slowly several times By cycling slowly the
seats will conform to the ball A fast-turning motion initially
may damage the seats before they have a chance to form
the proper seal
Mount actuation per installation section instructions
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