Vent Silencers
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vent silencers reduce noise or unwanted sound generated due to high velocity of steam and gas venting to atmosphere at outlet of valve with critical flow conditions. Every silencer is designed on the basis of our customers’ technical specification and required noise level attenuation.
standard features
highly engineered inlet diffuser
expansion chamber with heavy-gauge perforated sheets and highly absorptive fiberglass acoustic material
cylindrical perforated noise absorptive bullets
supports for vertical or horizontal orientation
lifting lugs and bottom drain
all welded heavy-duty steel construction
high-heat aluminum paint system
typical applications
steam boiler relief valves
safety relief valves
start-up vent valves
boiler startup
steam exhaust
high-pressure air vents
natural gas blow-downs
compressor blow-offs
steam ejectors
material of construction
carbon steel, sa-516 gr70, sa-106b, ss304, ss316, sa-387 gr11, 387 gr22, sa-335 p11, sa-335 p22, monel and hastelloy.
optional features
diffuser pipe with flanged or beveled end
inlet slider arrangement (slip joint)
inlet with expansion bellow joint
multiple inlets with up to 6 inlets
absorptive material: glass fibre, ceramic or mineral wool
manhole or handhole for inspection
chair support, saddle support, skirt or leg support
outlet pipe extensions
diffuser assembly designed as per asme section viii, division i
outlet weather hood with head or elbow, sand hood, bird screen, insulation clips, tailing lugs
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