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Mechanical accessories
Ventilation accessories are the components that connect, complete and protect the main equipment in a ventilation system. An installation fitted with quality fans and grilles but with neglected or undersized accessories will be noisy, will lose air through unsealed joints and will operate below its designed parameters. The quality of ventilation accessories directly determines the quality of the finished installation.
Flexible ducting is the essential element for decoupling vibrations between the fan and the rigid ductwork — without a flexible sleeve, motor vibrations are transmitted throughout the duct network and into the building structure, producing residual noise even at low speeds. Control dampers are indispensable for correct installation balancing — every branch of the duct network must receive the designed airflow, otherwise some zones are under-ventilated and others over-ventilated. Rigid ductwork and accessories include circular and rectangular ducts, bends, branches, reducers, joining sleeves and all the infrastructure elements of the distribution network. Fan accessories complete equipment with protective guards, back-draught shutters, mounting brackets and anti-vibration mounts.
The complete range of ventilation accessories is available from stock — order online or contact us for technical consultancy on selecting accessories compatible with your equipment.
HP 200 discharge reducer — 280×240mm to Ø200mm adaptor for CF HP professional hood fans
HP 200 discharge reducer — transition accessory manufactured from galvanised steel sheet for connecting the CF HP fan to circular extract ductwork.
Achieves the transition from the fan's 280×240 mm square discharge connection to a Ø200 mm circular duct.
Compatible with CF HP professional kitchen hood fans.
Required when the fan discharge is connected to a standard circular duct network.
Galvanised steel construction, corrosion-resistant and rated for the temperatures generated by cooking processes.
Pre-order
HP 250 discharge reducer — to Ø250mm
HP 250 discharge reducer — galvanised steel transition accessory for connecting CF 1 HP and CF 1.5 HP fans to circular extract ductwork.
Achieves the transition from the fan's rectangular discharge connection to a Ø250 mm circular duct.
Corrosion-resistant, rated for grease vapour and elevated air temperatures from professional kitchen environments.
Dimension: 380x260 mm - for CF 1 HP or 380x300 mm - for CF 1.5 HP
In stock
HP 300 discharge reducer — to Ø300mm
HP 300 discharge reducer
Dimesions: 395×300 mm - Ø300
Pre-order
HP 350 discharge reducer — to Ø350mm
HP 350 discharge reducer — galvanised steel transition accessory for connecting CF 3 HP, CF 4 HP and CF 5.5 HP fans to Ø350 mm circular extract ductwork. Compatible with three models:
- CF 3 HP — 395×330 mm discharge → Ø350 mm
- CF 4 HP — 465×330 mm discharge → Ø350 mm
- CF 5.5 HP — 465×360 mm discharge → Ø350 mm
For high-airflow professional kitchens — large restaurants, hotels, catering facilities.
Pre-order
HP 450 discharge reducer — 600×490mm to Ø450mm
HP 450 discharge reducer — large-format galvanised steel transition accessory for connecting CF 7.5 HP fan to Ø450 mm circular extract ductwork.
Transitions from the fan's 600×490 mm rectangular discharge to a Ø450 mm circular duct.
Designed specifically for the CF 7.5 HP — the highest power model in the Casals CF HP range.
For industrial kitchens, large hotel restaurants and high-volume catering facilities with intensive production.
Pre-order
MF 150 coupler for Ø150 mm ventilation ducting
Ø150 mm coupler — joins two ventilation fittings end to end.
- Designed for fittings that already have their own seals — which is why the coupler is supplied without one
- Ø150 mm — the standard diameter for residential and small commercial installations
- Quick connection, no tools or extra parts required
- Durable construction for general ventilation systems
Pre-order
