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Vent Silencers

Vent silencers are typically used in conjunction with relief or control valves on piping systems for compressed gases. When gas is released to atmosphere, it can create excessive noise that can be objectionable to surrounding areas. Dürr Universal has particular expertise as a supplier of steam vent silencers for industrial applications and natural gas blowdown silencers (BDS) for gas compression stations during emergency shutdown.

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Vent silencer application areas

Vent Silencer

Typical applications for vent silencers include combined cycle power plant HRSG, oil and gas blowdown, industrial, chemical processing, and steam boilers. Dürr Universal’s vent silencers are used around the world in many applications.

Dürr Universal’s vent silencers effectively silence high-velocity air, steam and gas vents, as well as blowdowns to atmospheres in which sonic or critical flow conditions exist in the valve.

Typical pressure relief applications include HRSG units, steam boiler, super-heat headers, boiler startup and high-pressure purge air vents, natural gas blowdown, switch valves, compressor blow-offs, autoclaves and steam ejectors.

Vent silencer design

The concentric annular ring design and the wrapped Acousti-Tube vent silencer design offer a choice of silencer profile and configuration to meet site-specific requirements.

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