Category: Compressed Air Filter
Product Code: Disposable Filter Silencers
Models 9955-05-DX, 9955-11-DX, 9955-12-DX, AR-009-DX
Balston Filter/Silencers for air exhausts offer the combination of unusually effective sound attenuation and filtration of all visible oil mist from the exhaust air. The Filter/Silencers are available in 1/8”, 1/4”, 1/2”, and 3/4” port sizes. They contain a Grade DX Microfiber Filter Cartridge sealed into a molded nylon or steel holder.
Balston Filter/Silencers are remarkably efficient sound mufflers, far more efficient than the felts, pleated paper, sintered plastic, and sintered metal products commonly used in other exhaust silencers. A sound attenuation efficiency test comparing a 9955-12-DX, 1/2” Filter/Silencer with a sintered polyethylene silencer is described below.
This silencing efficiency test simulates the action of an air cylinder discharging rapidly to atmosphere. A length of1/2” line between two ball valves is pressurized with air to a controlled pressure. The upstream valve is closed and then the downstream valve is opened rapidly todischarge the fi xed volume of air under pressure to atmosphere. Noise levels were measured at a 3 foot (1 meter) distance with no silencer on the end of the line, with the Balston Filter Silencer, and with competitive silencers.
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