Blowdown Mute - 2 Pages

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Blowdown Mute

Catalog excerpts

DESIGNED FOR EFFICIENT PERFORMANCE The innovative design of the AAF Blowdown Mute provides: n More insertion loss per foot of silencer due to maximizing the exposed perforated tube surface area, backed by high absorption coefficient packing material. n Maximum use of the absorptive characteristic of the tube module by conversion of the entering noise into higher frequencies. n Rugged construction, resulting in years of long lasting service. n Guaranteed performance based upon confidence of design, backed by in-service testing, resulting in published insertion loss data for every model and size. n More compact design, reducing the need for costly support structures. Blowdown Mutes EFFECTIVE SILENCING OF ALL GAS, AIR, AND STEAM VENTS AAF's Blowdown Mute is the answer to the problem of reducing excessive noise generated by high pressure, high velocity gas vents, and blowoffs. The AAF Blowdown Mute is an assembly of time-proven, servicetested components, each specifically designed to perform its task and provide optimum overall silencer performance. Multi-Silencer Design Plate Shell Hi-Temp Floating Tube Module Acoustically Lined Frequency Transformer Cutaway view of AAF Blowdown Mute, Style A-101 BDM Size BDM Capacity (Shell Diameter In.) (ACFM) 12 4,760 18 11,200 24 25,620 30 46,200 36 72,100 42 103,600 48 128,800 54 186,200 60 196,000 66 282,800 72 348,600 78 386,400 84 504,000 96 550,200 102 679,000 108 751,800 120 980,000 132 1,243,200 144 1,535,800 SIZE CAPACITY RATINGS TWO STYLES TO CHOOSE FROM Available in two styles, the A-101 Blowdown Mute should be used when the application requires a nozzle supported bottom inlet. Use the A-111 when a self-standing side inlet is required. Both styles are available in various lengths, which correspond to dash numbers on the charts. The longest standard size is the –6 which provides the most noise reduction. The shortest standard size is the –2 which provides the least insertion loss when less noise reduction is needed. WORLD CLASS QUALITY During the entire production process, our operations are governed by our ISO 9001 certified system.

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