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EMKA UK Ltd

Patricia House
Bodmin Road
Coventry
West Midlands
CV2 5DG
United Kingdom

Tel: +24 7661 6505
Fax: +24 7661 7837

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Long term partnership reaps many rewards - EMKA locking technology partnership with HVACR OEM

Long term partnership reaps many rewards - EMKA locking technology partnership with HVACR OEM

Company News Thursday, July 7, 2022: EMKA UK Ltd

For 25 years HANSA Klimasysteme has relied on EMKA for sophisticated locking technology and secure closure solutions. In fact, HANSA Klimasysteme and EMKA have been working together to reliably lock complex air conditioning and ventilation units with fittings and gaskets for over two decades. Their latest project focused on replacing existing components: aluminium parts are used as connecting elements at the corners of the air-conditioning units to stabilise the housing cube. In addition, EMKA made the previous aluminium mould part suitable for die-casting and used a precisely fitting geometry.

HANSA develops and produces air-conditioning and ventilation systems for schools, offices, sports halls, swimming pools, hospitals, industry and IT rooms. Except for a few standard units, HANSA specialises in customised production. Within limits allowed by the respective standards and directives, the company manufactures customised units according to the room ventilation requirements.

Furthermore, HANSA adapts the units’ design to the size of the building or the size of the ventilation centre. The aim is to achieve a perfect room climate with minimum energy consumption. The concept is based on a frame constructed of aluminium profiles and double-skin cladding elements made of galvanised and coated steel sheets with an intermediate insulation layer.

All system components must maintain either positive or negative pressure as required to regulate the temperature and air exchange in entire building complexes. The proper locking technology is an integral part of the enclosures to ensure the desired compression and easy and safe operation during maintenance. As a long-standing system partner of the air-conditioning industry, EMKA locks comply with the special ventilation and air-conditioning systems requirements and fulfil the corresponding standards such as DIN EN 1886 or VDI 6022.

HANSA were able to switch to parts made of die-cast aluminium with various EMKA fittings, ranging from hinges to levers on the operating doors. Hygienic sealing gaskets made of EPDM and silicone are also used in these units to seal them pressure-tight and to ensure the systems’ durability. The latest joint project was the changeover from aluminium mould parts to die-cast aluminium parts. These components are used in the corners of air-conditioning units above a specific size as connecting elements between the aluminium profiles.

The difference in production is that compared to gravity die casting, the metal is injected into the mould cavity under pressure in pressure die casting with consequent increase in quality and reduction in piece price for larger quantities.

“Since our instruments have had continuously higher sales, the quantities of these systems have increased accordingly,” explains Arno Bunger, production manager at HANSA. “From a certain number of units onwards, it is worth switching to die-casting. Even if the mould is more expensive, the components are ultimately much cheaper.”

Because every year, approx. 8,000 parts are used the joint project started at the end of 2019, focusing on the question: “How can we change the existing component to make it suitable for aluminium die casting?” EMKA then created compliant engineering drawings and had the appropriate tools manufactured. The key demand for the aluminium die-cast parts was that above all, they must be stable and have an exact geometry. Moreover, the price had to be fundamentally reduced compared to mould production.

Bunger referred to future collaborations: “For these systems, too, we have chosen EMKA as our reliable supplier for decades. EMKA is proven because of its high delivery capacity. Moreover, the team around our contact persons is very committed, competent and makes short-notice enquiries possible quickly”, Bunger sums up that the next project is already being planned to convert hinges previously manufactured in-house to EMKA’s new innovative 2D hinges with raised hinge bracket.

Further information on EMKA products can be found on the EMKA website - www.emka.com. Readers can find the latest information and news on the EMKA blog – www.emkablog.co.uk or follow them on twitter - http://twitter.com/emkauk.

 

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