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Round port to be
mounted between
flanges and
relative tightness.
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Square or
rectangular port
DL, to be
mounted between
flanges and
relative tightness.
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Round or square
port DG, to be
mounted between
flanges and
relative tightness.
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DM3V to be
mounted between
flanges, relative
tightness. Diverter
performance.
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Castellano
English
DM Butterfly damper
