RMD Direct Drive Axial Roof Fan
RMD direct drive axial exhaust fans are suitable for roof or wall mounting in commercial ventilation applications, especially areas with little or no ductwork.
RMD direct drive axial roof fan model table
Catalog airflow data for RMD direct drive axial exhaust fans. Final selection should confirm static pressure, voltage, mounting arrangement, accessories, and project conditions.
| Model | Diameter | RPM | Motor HP | Voltage / Frequency | Free Airflow | Higher SP Reference |
|---|---|---|---|---|---|---|
| RMD-10 | 10 inch | 1500 | 1/30 | 115V 1ph / 220-240V 50Hz-60Hz | 500 CFM | 173 CFM at 0.375 in. SP |
| RMD-12 | 12 inch | 1500 | 1/10 | 115V 1ph / 220-240V 50Hz-60Hz | 830 CFM | 270 CFM at 0.75 in. SP |
| RMD-14 | 14 inch | 1100 | 1/6 | 115V 1ph / 220-240V 50Hz-60Hz | 1,160 CFM | 236 CFM at 0.75 in. SP |
| RMD-18 | 18 inch | 1100 | 1/3 | 115V 1ph / 220-240V 50Hz-60Hz | 2,400 CFM | 662 CFM at 0.875 in. SP |
Roof and wall mounted axial exhaust for simple ventilation projects
The RMD direct drive axial exhaust fan is designed for commercial ventilation where a roof or wall mounted fan can exhaust air directly without complex ductwork.
Its spun aluminum housing, bird screen, direct-drive axial impeller, and listed motor options make it suitable for mechanical rooms, warehouses, workshops, utility rooms, and general building exhaust.
For Saudi Arabia projects, selection should confirm required airflow, static pressure, voltage, roof or wall opening, damper requirement, roof curb, and consultant approval documents.
Key features for RMD direct drive axial exhaust fans
The RMD series is a compact direct-drive axial exhaust fan for simple commercial ventilation and low ductwork applications.
Technical specifications
Final fan selection should confirm airflow, pressure, voltage, installation, accessories, and project approval requirements.
| Specification | Available Options / Details |
|---|---|
| Product Category | Roof Fan |
| Product Type | Direct Drive Axial Exhaust Fan |
| Model Series | RMD-10, RMD-12, RMD-14, RMD-18 |
| Installation | Roof or wall mounting |
| Airflow Range | 500 to 2,400 CFM free-air catalog range |
| Static Pressure Range | Performance listed from 0 in. SP to 0.875 in. SP depending on model |
| Motor | Totally enclosed, permanently lubricated, ball bearing motor |
| Voltage | Available in 115V 1 phase and 220-240V 50Hz-60Hz catalog reference |
| Temperature Rating | 110 F max. temperature rating in datasheet |
| Housing | Spun aluminum housing |
| Impeller | Axial impeller with die formed blades riveted to a steel hub |
| Accessories | Gravity damper, motorized damper, wall mount brackets, roof curb |
| Applications | General ventilation, mechanical room exhaust, warehouse exhaust |
| Documentation | Datasheet, airflow table, quotation, technical submittal, and procurement documents on request |
RMD direct drive axial exhaust fan applications
RMD fans are suited for roof or wall exhaust applications where contractors need compact direct-drive airflow with simple installation.
What to Send for Correct Selection
Share the ventilation requirement and site information so the technical sales team can confirm model, airflow, pressure, accessories, and quotation details.
RMD roof fan accessory options
Accessories can be coordinated according to roof opening, wall mounting, control requirement, and project installation details.
Documents and procurement files
Product and company documents can be shared for contractor, consultant, and procurement review.
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RMD direct drive axial roof fan questions
Answers for contractors, facility buyers, and MEP engineers reviewing RMD direct drive axial roof fan supply.