Tunnel Ventilationhttps://www.howden.com/authoring/portal/Lists/Process/DispForm.aspx?ID=94Tunnel Ventilation<div class="ExternalClass08CF11DE4B144D68A95C0DD569999C0F"><p>​In road and rail tunnels where passenger safety and comfort is essential, it is important to plan the ventilation system carefully. Vehicle tunnels and metros have to be able to meet the air flow demands which match changing traffic conditions, as well as being able to remain in operation during emergency situations. </p><p>Howden tunnel ventilation fans perform this task efficiently, reliably and quietly, and are designed to remain operational during extreme temperature conditions.</p></div><div class="ExternalClass8213033221494036BB2059A6BC2E5209"><p>​Good ventilation is an essential part of the planning process for modern tunnel design</p></div><div class="ExternalClass52483DA80E10414FA6A4BEDAA932A2EF"><div class="container-fluid benefits-panel bg-Hgray" style="padding-top:0px;padding-bottom:0px;"><div class="container"><div class="row"><div class="col-md-4"> <img class="icon" src="/assets/portal/Process/icons/icon-custom-services.svg" alt="" /> <h3 class="white">Comprehensive, Customized Services</h3><p class="white small-text">We have a range of axial flow fans and jet fans specifically designed for tunnel and metro applications. Their features include high efficiency, low noise, durability, high reliability, low maintenance, corrosion protection and flameproof motors, with auto-variable pitch or variable speed drive, and the potential for up to 100% reverse flow. </p></div><div class="col-md-4"> <img class="icon" src="/assets/portal/Process/icons/icon-bespoke-packages.svg" alt="" /> <h3 class="white">Bespoke Packages</h3><p class="white small-text">We can advise and support your chosen method of ventilation. With our Saccardo jet, injector or extraction are perfect for your longitudinal ventilation, while we have the products and expertise to support semi-transverse and transverse road tunnels.</p> </div><div class="col-md-4"> <img class="icon" src="/assets/portal/Process/icons/icon-inhouse.svg" alt="" /> <h3 class="white">In-House Expertise</h3><p class="white small-text">We have extensive experience in all types of tunnel ventilation systems, for both vehicular and non-vehicular tunnels. We have supplied the ventilation systems and fans for many tunnels in Europe, and North America, including those for the re-equipping of the Mont Blanc tunnel and the Gotthard tunnel, as well as providing fans for tunnels in other parts of the world.</p></div></div></div></div></div><img alt="" src="/assets/portal/Process/Diagrams/TunnelVentilation.jpg" style="BORDER:0px solid;" />TunnelsGP0|#6d606ed8-2316-440b-9708-4f41870c414b;L0|#06d606ed8-2316-440b-9708-4f41870c414b|tunnels;GTSet|#dc038bf8-3f43-4229-a321-3cc6d7b21f0a;GPP|#9239921b-23ea-4930-9a10-656132a77cbd



Air circulationhttps://www.howden.com/authoring/portal/Lists/ProcessApplicationProduct/DispForm.aspx?ID=19Air circulation<div class="ExternalClass3964AAD56E9244E2B12D1FAAA84F128E"><p>Ensuring an adequate air circulation, to control the spread of smoke in case of fire, or to reduce temperatures to acceptable limits.  </p></div>Adjustable Pitch Axial Fans

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General enquiries: 

Nick McLean


+44 141 885 7500



https://www.howden.com/authoring/portal/Lists/Process/DispForm.aspx?ID=94<div class="ExternalClassD44494061F9D4EEA80A126D923ABEEC3"><div class="container-fluid parts-and-services"><div class="container"><div class="row"><div class="col-md-6"><h2>Parts & Service</h2><h3>Lifetime Support</h3><p>Our lifelong aftercare service will supply original replacement parts, support you with maintenance and installation, and even train your own engineers in maintenance techniques. We keep detailed plant records almost indefinitely, and regularly supply spare parts for machinery over 50 years old. </p></div> </div></div></div></div>Tunnels