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Double benefit: Decrease in noise level and reduced energy consumption


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iehl-Abegg showcasing the new generation of the ZAplus fan unit, with enhanced biomimetics “Sound emission levels and energy


consumption are significantly reduced,” says Dr. Sascha Klett commenting on the further development of ZAplus, the top seller amongst axial fans. The Chief Technical Officer at the German fan manufacturer Ziehl-Abegg, explains the benefits for building planners and developers: “In many cases, this eliminates the need for additional sound insulation whilst keeping within noise level limits.” This will please supermarket operators just as much as industrial operators of systems fitted with chillers. The further development was presented at Chillventa in Nuremberg, the world’s leading trade


fair for refrigeration technology. Klett emphasizes that the improvements had really earned the right to be called a “new development” as the modifications are of a fundamental nature. The experts have once again put their faith in models drawn from the natural world and incorporated a number of biomimetic aspects into the technical design. “We are reducing noise by up to four dB(A),” emphasizes CEO Klett. For comparison: six dB(A) represents a doubling of the noise. This is achieved with the help of a further development of the familiar biomimetic fan blade with a serrated trailing edge. This element was learned from the extremely quiet flight of the owl and incorporated into the technical design. What is new is that the leading edge now also has a slightly rippled design. “We used marine creatures as a model for this”, explains Klett. This rippled leading edge alters the detachment of the airflow from the rotor blade: the air is moved for longer in a controlled manner. The previously standard guide vane for the more targeted handling of the airflow (keyword throw distance) has been fine-tuned: the smaller guide vane now has 17 struts instead of the usual 11. And the spacer ring has been biomimetically enhanced, i.e. it was also rippled at the trailing edge. “This is directly reflected in the decrease in the noise level,” emphasizes Klett. Technicians will be amazed at the installation dimensions: the outside dimensions remain standard (1070 millimetres) but the inner diameter is increased from 910 to 960 millimetres. One more modification: The rotor and blades, which were previously manufactured out of solid aluminium, will now be replaced by an aluminium rotor and blades made of a high-strength composite material. Readings taken from a first customer device have shown energy savings of nine percent, according to Ziehl-Abegg. Mass production will commence next summer. The supply of ZAplus 960 Next Generation samples


to customers is scheduled to start at the beginning of 2023. Other sizes of ZAplus Next Generation will follow.


www.ziehl-abegg.com Titon Reaches Golden Milestone F


rom garden shed to global success – Titon Hardware celebrates its 50th year anniversary this week. Incorporated in 1972 following the creation of the first


Titon product, a window casement stay, John Anderson created Titon Hardware from his garden shed in Feering, Essex. 50 years later, Titon Hardware has gone from strength to strength and is now a market leader of window and door hardware and ventilation products. Titon Hardware has had a manufacturing site (including research


S image courtesy of the Haverhill echo


and development) in Haverhill since 1977 and its head office for Sales and Marketing in Colchester. Titon manufactures and supplies ventilation and window and door products – ranging from its signature Trimvent background ventilator (first made and patented by John Anderson in 1973) to window handles, locking systems and hinge systems as well as powered ventilation products including whole house systems and extract fans. As a manufacturer, Titon also invests heavily in research and development, which enables the company to use the latest technology to keep its products both innovative and cost effective. The company’s longevity and success is in no small part due to the loyalty, skill and expertise of its workforce


as explained by Tyson Anderson, the firm’s Sales & Marketing Director and the son of John Anderson. John Anderson’s shed He said: “Titon started 50 years ago in a basic garden shed and as it grew, it was apparent that the working environment developed with it, which helped provide an efficient and professional attitude within the organisation. “That initial ‘family feel’ permeated to every new employee and is reflected in the fact that anyone


who left the business always reported back that they missed that Titon ethos and friendly approach. Long serving staff meant a better understanding of, and working relationships with, customers and suppliers. This works alongside a strong emphasis on Research & Development, which provides high quality, reliable and competitive product that has always given the company a solid foundation on which to obtain business and success. “The operational bases in Haverhill and Colchester have provided a valued local workforce, enabling


Titon to compete and resist the need to produce our products overseas, and in doing so helping the local and wider economy. The company continues to be a leader for domestic ventilation and hardware products in the UK and developing sales in many export markets The first product, a window casement stay “I have seen Titon progress from its initial inception all those years ago and I’m very proud of what has


been achieved from its humble beginnings. We have always been grateful to our staff, who have moulded and developed the company in to the successful organisation it is today.” The products made by Titon are sold into a range of European markets and the USA market is supplied through a wholly owned subsidiary, Titon Inc. Since 2008, Titon has been in a joint venture with a partner in South Korea, where it has its own manufacturing facilities in Seoul. The company estimates that it now has more than three-quarters of the market share for natural ventilation in the new build market in South Korea and now represents a significant source of profits for the Titon Group.


www.titon.com/uk 30 BUILDING SERVICES & ENVIRONMENTAL ENGINEER NOVEMBER 2022 L


IN FOCUS


New Luceco Lighting Controls & Solutions Guide


uceco has recently launched a new publication demonstrating the range and diversity of our


lighting Control Systems. As controls become standard in many new lighting installations, Luceco also provides solutions for refurbishments in existing infrastructure. The control of Light is essential to


our wellbeing, work, productivity, and leisure time. With increasing pressure for buildings to be environmentally friendly and energy efficient, LED luminaire technology coupled with lighting controls can help save up to 70% on energy consumption and ensure spaces are lit appropriately to provide safety, security, and comfort, using scene setting, presence detection and daylight dimming controls. Both Platform and Elevate from Luceco offer wireless controlled lighting solutions – Platform offering simple and cost-effective wireless control, with Elevate benefitting the client with a function-rich system including energy and emergency lighting reports, asset tracking, as well as the primary functions of dimming, scene setting, presence detection and daylight control. Lighting controls can often seem a daunting prospect with the emergence of convoluted control systems and ever-evolving terminology. With multiple platforms available, it can become perplexing to the client who has a clear end goal in mind. Here at Luceco, we understand the importance of allowing the end user to control their own space. Whether a small office, or multiple estates, we can offer a lighting control solution. Download a copy of the guide from Luceco’s website.


www.luceco.com/uk/lighting-control-systems/


Saniflo improves facilities at the Southbank Roof Garden


aniflo UK – part of the SFA Group and a leading designer and manufacturer of pumps, macerators and lifting stations – recently helped London landmark the Queen Elizabeth Hall at the iconic Southbank Centre improve its facilities to provide staff and visitors with a better experience of this


special place. The Queen Elizabeth Hall boasts a stunning wildflower roof garden and café overlooking the Thames.


The wildflower garden is one of the best in Europe attracting bees and insects from all over London, as well as a haven for visitors to socialise, dine and even work when the weather is fine. Earlier this year, the team running the venue agreed that the venue’s WCs were not ideally located


as clients and staff alike had to descend a winding staircase back to the Royal Festival Hall in the main building of the Southbank Centre. The Queen Elizabeth Hall contracted Richard Riley from building contractor Eleven London to construct a wooden toilet block with two separate WCs and hand basins. With no gravity drainage available in proximity of the new block, a pumping solution was the only solution to discharge the waste away to the nearest soil stack some 40m away. The Saniflo technical team assessed the site and the potential run of pipework, and specified a Sanicubic


Pro 2 lifting station with twin pumps and a wireless alarm, which Richard and his plumber installed. This powerful unit uses alternate pumps when operating normally, but in the unlikely event of a pump failure can switch to single pump operation in order to provide continuity of operation at all times. A wireless alarm offers early warning of any issues. The unit is installed in a cupboard to the rear of the block and provides quiet, efficient operation. Richard comments: “As an engineer I know the benefits of Saniflo pumps for areas with no immediate gravity drainage. Looking at the wide range of commercial pumps available I called the technical team at Saniflo to double check my calculations on a Sanicubic to ensure it was the right product for the job. I was most impressed when a site visit was offered to verify the pumping distances and flow rates to efficiently discharge waste from the two WCs and basins and we agreed that a Sanicubic Pro 2 lifting station with twin pumps and a wireless alarm would easily cope with the volume and would provide continuity of operation at all times.” The Queen Elizabeth Hall team say installation of the roof garden toilet block was an excellent investment and that the visitor numbers and the time they spend at venue are up.


www.saniflo.co.uk Read the latest at: www.bsee.co.uk


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