These silencers are specifically for ships and offshore employment and used to reduce acoustic emissions of diesel-motors. Generally these passive silencers are equipped with spark arresters and bellows but also with anti- vibration dampers.

They are designed individually for each case of operation and fulfill every current emission requirement. These specific constructions are manufactured from merchantable material and due to flexible production methods, have a short lead time.

Following constructions and extras are available:

• Connecting- flange to DIN, BS, ANSI
• In- and outlet as 90° bend
• Drainage connection
• Cleaning openings
• Manholes
• Excess pressure valves,  explosion valves
• Material such as Corten-steel, stainless steel, boilerplates
• Surface treatment such as aluminum – spray, galvanizing
• Different lacquers (RAL)
• Brackets, feet, supports
• Gusset plates
• Lifting lugs
• DNV certifications at spark arrester – silencer