Exhaust Silencer / Muffler · Exhaust Silencer
Aalborg Industries Silencer AAL-SIL-1000-25dB is a marine exhaust silencer. It is installed in exhaust-gas piping between an engine or generator and the funnel outlet, with supports and expansion arrangements appropriate to the exhaust system. Its purpose is to reduce exhaust-noise transmission while allowing engine exhaust gas to pass with acceptable system resistance. Internal acoustic elements, casing, insulation, drainage and connection geometry are selected for the installed engine and exhaust arrangement. Refer to the manufacturer documentation for the exact figure.
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What our service work and the manufacturer documentation say about keeping this model running.
Inspect casing, supports, flexible joints, insulation and drain arrangements for leakage, corrosion and heat damage. Listen for internal rattling and compare exhaust noise and backpressure indications with the vessel's established normal condition where monitored. Keep condensate drains clear and repair damaged insulation promptly. Inspect adjacent piping and supports for thermal-growth or vibration problems that can load the silencer. Do not modify internal elements without manufacturer approval because acoustic performance and backpressure are linked to design. Refer to the manufacturer documentation for the exact figure for permissible backpressure and repair criteria.
Keep gaskets, flexible-joint components where applicable, drain fittings, insulation materials and mounting hardware recommended for the installation. Large internal acoustic elements or complete silencers are normally strategic spares. Verify replacement dimensions and engine compatibility from approved exhaust-system documentation.
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