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Britannia Kitchen VentilationKitchen Ventilation Canopies Technical InformationSupply Air Canopies – Britannia Model BKV12The canopy has insulated supply air plenums incorporate supply air diffuser panels to deliver make-up air at low velocity back into the kitchen. This method of providing make-up air removes the need for extensive ductwork runs and additional supply air grilles in the kitchen ceiling. The make-up air is normally around 80-85% of the extract volume to ensure a negative pressure is achieved in the kitchen. The supply air is generally conditioned prior to introduction through the canopy. Induction Canopies – Britannia Model BKV13The canopy has insulated supply air plenums mounted along the two long sides of the canopy. These plenums incorporate stainless steel induction slots to delivery air internally at high velocity. The induction principle relies on a high velocity jet of air directed towards the grease filter panels. This untreated air (approx. 20% of extract volume) induces the extract fumes towards the filters and lowers the temperature, making the filters more efficient. Induction does not however provide make up air to the kitchen. Combination Supply Canopies – Britannia Model BKV1234The combination supply canopy combines the benefits of induction and supply air with the added benefit of personal supply air nozzles to provide localised air movement towards operatives. This can combat the effects of radiant heat. Please note that any method of air movement can be combined to create the ideal solution for your particular ventilation problem. Please consult Britannia for free advice and assistance. Silverline Ventilated Ceiling SystemThe Silverline Ventilated Ceiling System protects the cooking equipment by a dedicated extract chamber, which forms a positive fire barrier with integral grease collection and drainage system. The surrounding ceiling area is made up of insulated, stainless steel ceiling tiles. The system utilises the void above the ceiling as a pressurised supply air plenum. This ensures that only clean air is passed through the ceiling void, ensuring structure and services, which pass through the void, remain uncontaminated. As the grease is collected and contained within the grease filter housings, the kitchen equipment and the extract ductwork connections can be protected using a proprietary fire suppression system. Heydal Ventilated Ceiling SystemHeydal is a fully integrated ventilated ceiling system from Britannia that is designed for ventilating large commercial kitchens. The ceiling is made up of a supporting framework which is divided into 500mm square modules, made up of grease filters, supply diffusers, lights and blanking panels. Heydal has many advantages, firstly it has greater flexibility allowing the cooking equipment layout to be modified in the future, also the ceiling offers a clean line of sight across the kitchen which improves aesthetics, ideal if the kitchen is on sight to the diners. Only the exhaust modules and grease collection troughs require regular cleaning, all modules are easily removed without tools and are suitable for cleaning in a commercial dishwasher. Britannia also supply maintenance contracts to ensure the ceiling is always in excellent condition.
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Britannia Kitchen Ventilation Ltd
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