![]() The height of the extraction hood is usually determined primarily by the ceiling height. The overhang dimensions are to the inside of the condensation or the supply plenum the appropriate dimensions shall be added when specifying the overall canopy size.įor combination steamers and certain types of baking ovens the overhang at the front will be increased to a minimum of 600mm to cope with the steam or fumes released when the doors of the appliances are opened. Unless restricted by walls, the plan dimensions of the extraction hood always exceeds the plan dimensions of the catering equipment/appliances by a minimum of 300mm on each free side, and by 300mm at the front and rear. The dimensions of commercial extraction hoods are invariably determined by the size of the catering equipment/appliances that it is serving. The method if internally cleaning to the inside surface of any ductwork extract system, which in turn will determine the size of access panels and their frequency.Whether approval from the local authorities has been obtained – this is something that Dolphin Catering can assist with, especially with regards to the sound attenuation & odour control- we offer various methods of dealing with this, for example anti vibration mounts, silencers, carbon bag filters, ESP systems etc.This will also determine the type, size & number of filters and spigots required The amount of air to be handled by the canopy.The position of discharge to ensure that noise or odour does not create a nuisance.The available headroom and ceiling height where appropriate is essential.Details of access into the building so that the number of sections in which the canopy is fabricated can be determined.Whether ductwork, fans or lighting is required.If grease is not produced, whether the extraction point can be fitted with a baffle plate or grille Whether grease is being produced in the cooking process and if so, whether filtration is to be provided by means of baffle filters.If the extraction hood/canopy is to be at high or low-level wall or island mounted.The dimensions, height layout of the room that contains the equipment/appliances to be ventilated.The layout of the equipment/appliances and their power consumption were known.The type size & power source of the cooking equipment/appliances being ventilated, if gas the requirements of BS1673 being met.In addition, our installations also ensure you are well within the legal requirements for commercial kitchen ventilation. We work with businesses to get the best extraction hood installation based on your needs and the size of your kitchen to bring the best results for your employees. ![]() At Dolphin Fabrications, we provide high-quality stainless steel commercial extraction hoods for commercial kitchens.
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