Air Handling Systems is a leading manufacturer and distributor of high-quality dust and fume collection components. We cater to a diverse range of industries, including woodworking, aerospace, paper, pharmaceutical, chemical, plastics, and HVAC. With our extensive product line, we provide effective solutions for commercial, industrial, and hobby applications.
Whether you need dust collection components for a large-scale industrial facility or a smaller woodworking workshop, Air Handling Systems has you covered. Our components are designed to ensure clean and safe environments by efficiently capturing and filtering airborne contaminants generated during various processes.
By choosing Air Handling Systems, you can rely on our expertise in providing top-notch dust and fume collection solutions. Improve air quality and maintain a healthier workplace with our reliable products, specifically engineered to meet the unique requirements of your industry. Trust Air Handling Systems for all your dust and fume collection needs.
Our range of experienced, air handling unit engineers will work in partnership with you to ensure that we design a unit to meet and exceed your exact specification. Each AHU arrangement and component selection is individually designed to your specific requirement ensuring the air handling unit produced performs with peak performance and optimised efficiency.
Upon submission of your air handling unit requirements, either to our experienced technical sales engineers (who cover the length and breadth of the UK) or direct in to head office, initial design, at tender stage, is carried out by our experienced team of estimators and application engineers.
At this point, your project will be discussed in full and proposals will be based upon required flow rates (0.2 m³/s to +50m³/s), volumes, application, unit specification and limiting factors of the project (i.e. site access, unit size, unit configuration &#; side-by-side / stacked).
Once your order is placed, the air handling unit project is passed to our contracts department, where initial designs are adjusted, calibrated and finalised by our highly experienced engineers.
AHU unit arrangement CAD drawings are then put into production and can be supported by Computational Fluid Dynamics (CFD) &#; this service is optional and chargeable. Following this process, technical and performance documentation plus drawings are submitted to you for finalised sign-off. Once approved, drawings are issued to production and units are manufactured, 100% in the UK.
At every stage of the tender, throughout design and manufacture, we will strive to work with you to ensure we adhere to your specification. Indoor air quality is paramount to every AHU unit that we manufacture. Within our units we strive to provide crevice free internal surfaces to assist in maintenance.
BIM models are also available on request
Our bespoke air handling unit team can work with your engineering consultants to develop a product to match your specification. Working with you, we can advise, design and develop an AHU that meets the needs of your project.
There are some standard elements of design that we advise upon, some of which we have referenced below.
Typically, air handling equipment is designed for horizontal or vertical air flow, with units matching internal width and height to ensure smooth efficient air movement through each section of plant with minimum turbulence and pressure loss.
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The unit framework is typically constructed using 50mm penta box section, manufactured from 18 swg (1.2mm) Z2 hot dip galvanised steel and has a natural galvanised finish.
The frame is assembled using pre-formed corner sections and is seam welded internally; intermediate post work is fitted where necessary to provide a structure of strength and rigidity. The frame has to be capable of supporting the components and fittings forming the air handling unit and withstanding the pressure within the air system under operating conditions. The frame is vapour sealed.
All post work around and downstream of cooling coils and other drain tray sections is fully insulated throughout their entire length. The insulation material has the same acoustic and thermal properties as that identified for cladding panels elsewhere in the specification.
All strength is provided by the permanent framework and does not rely on the cladding panels.
All air inlet and outlets shall be suitable for flanged duct connection.
All enclosure panels and access doors are typically a nominal 45mm deep and double skinned. The outer skin is manufactured from 20 swg (0.9mm) B.S.C. colour coat plastisol (plastic coated steel). The standard colour shall be Goosewing Grey (BS 10A05). The inner panel skin is manufactured from 22 swg (0.7mm) Z2 hot dip galvanised steel. The cavity is packed with slab rockwool insulation, with a density of 45kg/m³ (thermal conductivity of 0.035 W/mK), compressed between the inner and outer skins, to form a panel with excellent thermal and acoustic properties. On units large enough for internal access, the floor panels have reinforced insulation to facilitate maintenance access.
Internal floor panels are to be welded in place. All other panels are flush mounted into the unit frame and are fully removable.
All panels are located on closed cell neoprene acoustic gaskets, about their perimeter.
All air handling units are fitted with a steel base, fabricated from galvanized steel, designed to support the unit at the relevant structural points.
As a minimum the AHU is constructed to meet the leakage requirements of DW143 class B (BS leakage class L2). We can construct units to other requirements on request.
When units are to be installed externally, they can be provided with a trussed pitched roof fitted over all elements of the framework.
The roof is manufactured from 0.7mm Z2 hot dip galvanised steel with a finish to match the AHU frame work and is flashed and sealed where jointing is necessary to prevent water ingress.
All unducted fresh air intakes and exhaust air discharges are fitted with either weather hoods or louvres complete with a bird/vermin screen.
Access needs to be provided to each section of plant for inspection and maintenance purposes. Access doors are provided to areas of regular maintenance; door furniture is either hinged or lift off operation.
Units need to be constructed to eliminate the transmission of mechanical vibration.
All units feature identification, airflow and warning labels.
For ease of handling, larger units can be transported in sections for on-site assembly. All jointing gaskets, sealing materials and hardware is provided to allow assembly to be completed.
Suitable permanent lifting points need to be incorporated into the unit base frame or framework.
Want more information on ahu air handling unit? Feel free to contact us.