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Donaldson Company, Inc.
Tubesheet Stiffener Connection and Sealant
1/4-in bead of sealant around
perimeter and bolts holes as shown
Sealant Application
connect radial stiffeners to form
central hexagonal tube
connect curved stiffeners
to radial stiffeners
Tubesheet Connection Layout
tubesheet center cap (place
after center plate is connected)
tubesheet center plate
(place after pie sections
are in place and all other
bolts are tightened)
curved stiffener
radial stiffener arm
install these bolts when locating center plate
tubesheet pie section
consists of multiple pieces
install these bolts when locating center cap