THE SCIENCE OF SILENCE Commercial Marine Exhaust Systems

THE SCIENCE OF SILENCE Oma Baatbyggeri. Norway Tideekspress ferry SILENCE IS GOLDEN Oma’s 33m ferry carries 300 passengers at 38 knots, using four 810kW engines. Noise is paramount with 300 people, so Oma Baatbyggeri once again asked Halyard to design and manufacture the GRP dual chamber silencers, the stainless steel exhaust risers and water injection systems, also using Halyard’s unique Lloyds Approved silicone flexible bellows to minimise vibration between the two – significantly reducing noise levels and meeting the engine manufacturers back pressure requirements. HALYARD Specialists in designing...

THE SCIENCE OF SILENCE Oma Baatbyggeri. Norway Tideekspress ferry Silicone Manufacture SILENCE IS GOLDEN Oma’s 33m ferry carries 300 passengers at 38 knots, using four 810kW engines. Noise is paramount with 300 people, so Oma Baatbyggeri once again asked Halyard to design and manufacture the GRP dual chamber silencers, the stainless steel exhaust risers and water injection systems, also using Halyard’s unique Lloyds Approved silicone flexible bellows to minimise vibration between the two – significantly reducing noise levels and meeting the engine manufacturers back pressure requirements. Noise...

OTHER PRODUCTS Overheated exhaust? Halyard’s Exhaust Alert system puts a temperature probe directly into the exhaust gas flow, telling the crew immediately if the cooling water supply fails. Engine noise? Halyard is the UK’s largest manufacturer of engine room noise insulation material, with a wide range of types and finishes to solve differing problems. Oily bilge water? Halyard’s Wavestream bilge filter fits neatly into the pumped system and takes oil out of bilge water, allowing clean and pollution free discharge. Structure borne engine noise? Halyard’s Aquadrive system puts free movement...