Vent Silencers

• 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

• carbon steel, sa-516 gr70, sa-106b, ss304, ss316, sa-387 gr11, 387 gr22, sa-335 p11, sa-335 p22, monel and hastelloy.

• 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