Inline Fan Supplier in Saudi Arabia for Ducted Ventilation
Inline axial and centrifugal duct fans for commercial exhaust, fresh-air transfer, bathroom and toilet ventilation, mechanical rooms, and engineered MEP duct systems across Saudi Arabia.
Ducted inline fans for commercial and industrial ventilation
An inline fan is installed inside a duct run to move exhaust or supply air, rather than mounting directly on a room wall, ceiling face, or roof opening. By sitting within the ductwork, inline fans allow grilles to be placed precisely where air extraction or fresh-air introduction is needed while keeping the fan housing concealed above false ceilings, in mechanical shafts, or inside dedicated service rooms.
Selecting between an axial inline fan and a centrifugal inline fan depends primarily on required airflow and total system static pressure. Axial inline fans excel at moving high volumes of air across low-resistance routes, while centrifugal inline fans generate the pressure needed to overcome friction from long duct runs, elbows, flexible reducers, air filters, balancing dampers, and discharge grilles.
For projects across Saudi Arabia, contractors, MEP engineers, procurement specialists, and facility teams should confirm duct dimensions, required CFM, estimated or designed static pressure, power supply (230V single-phase or 380V/400V three-phase at 60Hz), noise expectations, quantity, and project city to receive a tailored technical selection and quotation.
Inline Fan Products
Choose an inline fan by airflow direction, static pressure, duct connection format, and duty requirements. Open any product for specifications, or request quotation support.
Centrifugal Box Inline Fan
Centrifugal box inline fan with backward-curved impeller for medium-pressure commercial duct exhaust, low noise breakout, and long duct runs.
View ProductVMD-A Axial Inline Fan
VMD-A hybrid axial inline fan for circular duct systems, with the belt drive and bearings positioned outside the conveyed airflow.
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VDO Axial Smoke Extraction Fan
High-temperature axial smoke extraction fan certified for 300°C/2h and 400°C/2h emergency smoke removal and dual-duty ventilation.
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VKF Inline Axial Duct Fan
Flanged low-pressure inline axial duct fan for general supply and exhaust, featuring 200–800 mm sizes and verified 60Hz performance.
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Steel Circular Inline Duct Fan
Compact galvanized steel circular inline centrifugal fans for clean-air supply, exhaust, and booster ventilation in circular duct runs.
View ProductPlastic Inline Duct Fan
Multi-brand plastic inline duct fans (AMX and VENTS) for round duct supply and exhaust in offices, hotels, residences, and restrooms.
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Saudi Fan R / RS Inline Centrifugal Tube Fan
Circular inline centrifugal tube fans with RS plastic (100–315 mm) and R steel (355 mm) casings; 230V 50Hz catalogue reference (60Hz confirmation required).
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Saudi Fan AND Inline Axial Fan
Saudi Fan adjustable-pitch axial inline fan for large duct diameter air movement, warehouse exhaust, and supply ventilation.
View ProductCentrifugal Box Inline Fan
Centrifugal box inline fan with backward-curved impeller for medium-pressure commercial duct exhaust, low noise breakout, and long duct runs.
View ProductVMD-A Axial Inline Fan
VMD-A hybrid axial inline fan for circular duct systems, with the belt drive and bearings positioned outside the conveyed airflow.
View ProductVDO Axial Smoke Extraction Fan
High-temperature axial smoke extraction fan certified for 300°C/2h and 400°C/2h emergency smoke removal and dual-duty ventilation.
View ProductVKF Inline Axial Duct Fan
Flanged low-pressure inline axial duct fan for general supply and exhaust, featuring 200–800 mm sizes and verified 60Hz performance.
View ProductSteel Circular Inline Duct Fan
Compact galvanized steel circular inline centrifugal fans for clean-air supply, exhaust, and booster ventilation in circular duct runs.
View ProductPlastic Inline Duct Fan
Multi-brand plastic inline duct fans (AMX and VENTS) for round duct supply and exhaust in offices, hotels, residences, and restrooms.
View ProductSaudi Fan R / RS Inline Centrifugal Tube Fan
Circular inline centrifugal tube fans with RS plastic (100–315 mm) and R steel (355 mm) casings; 230V 50Hz catalogue reference (60Hz confirmation required).
View ProductSaudi Fan AND Inline Axial Fan
Saudi Fan adjustable-pitch axial inline fan for large duct diameter air movement, warehouse exhaust, and supply ventilation.
View ProductCompare inline fan options
Use this quick comparison to choose the closest product direction before sending airflow, voltage, quantity, and project city for quotation.
| Product type | Best for | Pressure / duct direction | Important limitation | Confirm before quote | Page |
|---|---|---|---|---|---|
| Centrifugal Box Inline Fan | Commercial exhaust with medium duct resistance | Centrifugal backward-curved (medium-to-high static pressure) | Requires rectangular or round transition space above ceiling | CFM, static pressure, duct dimensions, voltage, access space | View |
| VMD-A Axial Inline Fan | Clean-air circular duct ventilation and air transfer with duty point on VMD curve | Axial flow (low-to-medium static pressure with isolated belt drive) | Not suitable for grease hood exhaust, flammable/explosive air, or emergency smoke | Operating CFM, total system pressure, nominal diameter, voltage, phase | View |
| VDO Axial Smoke Extraction Fan | Engineered emergency smoke extraction and high-temp duty | Axial smoke extract (certified high-temperature duty) | Must be specified according to project life-safety MEP approvals | Temperature rating, certification, CFM, pressure, consultant approval | View |
| VKF Inline Axial Duct Fan | Flanged circular duct insertion and general ventilation | Axial flow (low static pressure) | Low pressure tolerance; avoid multiple elbows or heavy filters | Flange diameter, CFM, power supply, mounting space | View |
| Steel Circular Inline Duct Fan | Compact commercial round duct ventilation | Centrifugal radial flow (medium static pressure) | Clean-air duty only (<= 60°C); not for smoke, stair pressurisation, or grease | TSK model (100–400 mm), CFM, design static pressure, 220V 60Hz | View |
| Plastic Inline Duct Fan | Office, hotel, residence, bathroom, and light commercial circular ducts | Mixed-flow & centrifugal (low-to-medium static pressure) | Comfort ventilation only; non-grease, non-high-temperature airstreams | Brand preference (AMX / VENTS), duct size (100-315 mm), CFM, static pressure, voltage | View |
| Saudi Fan R / RS Inline Centrifugal Tube Fan | Brand-specified circular duct centrifugal installations | Centrifugal tube (medium static pressure) | 230V 50Hz catalogue baseline; requires written 60Hz check for Saudi projects | R/RS model (100–355 mm), CFM, static pressure, 60Hz suitability confirmation | View |
| Saudi Fan AND Inline Axial Fan | Large diameter duct ventilation and adjustable pitch selection | Axial adjustable pitch (high airflow, adjustable pressure) | Large physical diameter (315-1000 mm); requires structural support | Duct diameter, blade angle, CFM, motor kW, voltage, phase | View |
Common project applications
What to send before quotation
Engineering & Application Safety Notice
Standard inline fans must not be presented as smoke-extraction fans. Use a smoke-extraction model only when the required temperature rating, certification, duty point, controls, and consultant or authority requirements are confirmed. Plastic and light-duty inline fans are not substitutes for grease-exhaust or engineered smoke-control systems.
Project accessories and procurement support
Accessories and documents depend on the selected model, installation condition, consultant requirement, and project approval workflow.
Inline Fan support for Saudi projects
Share the project city during quotation so product availability, delivery direction, and documentation needs can be reviewed for your Saudi Arabia project.
Common inline fan questions
Short answers for contractors, MEP teams, procurement buyers, and facility teams preparing a quotation request.
What is an inline fan and where is it installed?
An inline fan is installed directly inside or connected between sections of a duct run rather than on a wall face, ceiling grille, or roof curb. It is typically mounted inside false ceiling spaces, mechanical shafts, attics, or plant rooms to move exhaust or supply air.
What is the difference between an axial and centrifugal inline fan?
Axial inline fans move air parallel to the fan shaft and deliver high airflow at lower static pressures, making them ideal for short ducts and air transfer. Centrifugal inline fans pull air radially and generate higher static pressure to overcome resistance from longer ducts, multiple elbows, filters, and dampers.
How do I select inline fan CFM and static pressure?
CFM is calculated based on room volume, required air changes per hour (ACH), or heat/moisture removal rates. Static pressure is determined by adding the frictional resistance of the duct run, elbows, transitions, silencers, filters, dampers, and terminal grilles at that CFM.
Can an inline fan be used for bathrooms and toilets?
Yes. Inline duct fans are widely used for residential, hotel, and commercial restrooms. A ceiling grille is installed in the bathroom and connected via ductwork to a remote inline fan, providing quiet, powerful moisture and odor extraction.
Can an inline fan be used for exhaust and fresh-air supply?
Yes. Inline fans can be configured for either exhaust extraction or fresh-air supply depending on the fan rotation, airflow direction, and duct arrangement. When supplying fresh air, intake louvers and suitable filtration should be included.
Which inline fan is suitable for a long duct with several bends?
A centrifugal box inline fan, circular centrifugal duct fan, or mixed-flow inline fan is recommended for long duct routes with multiple bends because centrifugal impellers develop the static pressure needed to prevent airflow drop.
Can a standard inline fan be used for commercial kitchen grease exhaust?
No. Standard inline fans are not designed or certified for grease-laden commercial kitchen exhaust. Kitchen hood systems require dedicated grease-rated exhaust equipment such as upblast centrifugal roof fans or grease-rated utility sets.
Is every inline fan suitable for smoke extraction?
No. Standard inline fans must not be used for smoke extraction. High-temperature emergency smoke ventilation requires certified smoke-extract fans (such as the VDO series) engineered and approved for specific temperature and time ratings.
What details are needed for an inline fan quotation?
Provide the application type (exhaust or supply), required CFM, estimated static pressure or duct layout details (diameter, length, elbows), power supply (voltage/phase/60Hz), quantity, and Saudi project city.
Do you supply inline fans and technical documents across Saudi Arabia?
Yes. We supply inline fans for projects in Riyadh, Jeddah, Dammam, Khobar, Makkah, Madinah, Jubail, Yanbu, and across Saudi Arabia, supporting contractors with datasheets, performance curves, catalogues, and submittals.