Blower Intake Silencer for maximum silencing at blower speeds below transition speed.

A multi-chambered silencer containing a special arrangement of volumes and air
passageways to effectively reduce pulsations through the conversion of noise energy into
heat. D13 and D13H may be installed horizontally or vertically. Design parameters permit
nozzle orientation to suit installation requirements.

All welded steel sheet and plate construction for long service life. Exterior surfaces are
prime coated. Flanges are drilled to match 125 lb. American Standard Flanges. Inspection
openings, mounting brackets, relief valve nozzles or special paint available at extra charge.