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Nelson Standard Exhaust Silencers
(Available Types)
Nelson Standard Exhaust Silencers reduce exhaust noise from all types of
internal combustion engines. All silencers are of fully welded design.
Aluminized steel is standard material on all silencers through 26" body diameter. Double wrapped body shells are standard on all "300" and "400" level silencers.
Nelson Standard Exhaust Silencers are available in four configuration types shown below.
Dual inlet silencers and other configurations are available upon request. Nominal inlet sizes range from 3/4" through 22". Male pipe threads (NPT) are standard on 3/4" through 4" inlet sizes. 4" and above have 125# drilled flanges.
Each silencer style and inlet is offered in four attenuation ranges (except style 2, critical only - limited custom size range.)
- "100" level - for non-critical environments where ambient noise levels are moderate to high
- "200" level - for residential environments where ambient noise levels are moderate to low.
- "300" level - for critical environments where ambient noise levels are low.
- "400" level - for ultra critical applications.
Silencers are available from stock for shipment within 48 hours from receipt of order. (Stock items only.)
Non-stock, standard silencers require a 6 week lead time and 60 - 90 days for custom designs after drawing and pricing approval.
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