Smoke Extraction Motors

What are the Technical Specifications of Smoke Extraction Motors?

Smoke extraction motors are manufactured with special insulation classes (usually Class H) that allow continuous operation for 2 hours at 300°C for high temperature resistance in emergency situations. These motors are designed with 2, 4 pole or double speed configurations to meet the high torque required by smoke extraction fans. The smoke extraction damper motor, on the other hand, has the drive torque to ensure that the dampers open and close quickly and reliably during a fire scenario. With protection classes such as IP55, it is manufactured to be resistant against dust and moisture, offering reliable performance in demanding ventilation shafts, fan rooms and roof top systems.

Power Ranges of Gamak Smoke Extraction Motors

GAMAK smoke extraction motors are available in a wide range of power ratings from 0.75 kW to 55 kW to meet different capacity requirements. The high-power models are designed to provide the high flow rates required to extract large volumes of smoke in a short time. The power range is also optimized according to the fan geometry used and the air flow-pressure combination required by the plant. This wide power range makes it possible to choose the right motor for both medium-sized ventilation shafts and large industrial smoke control systems.

Efficiency and Protection Classes of Gamak Smoke Extraction Motors

GAMAK’s smoke extraction motors are manufactured in IE3 efficiency class, minimizing energy loss in continuous operation and ensuring stable operation under high thermal stress. The motors offer dust and water resistance with the IP55 protection class required for emergency operation. Class H insulation is used to withstand high winding temperatures in fire scenarios, so there is no loss of performance even under extreme heat load.

Frame Size of Gamak Smoke Extraction Motors

GAMAK smoke extraction motors are available in sizes ranging from 80 to 250 and are suitable for both compact fan applications and large fan systems with high flow rates. Small frame sizes are suitable for fume duct solutions requiring low installation space, while large frame sizes are used in large diameter fans requiring high torque. The frame structure is designed in cast iron and offers high vibration resistance and thermal stability. The frame size also plays a critical role in proper system integration by directly determining the mounting arrangement, shaft diameter and bearing capacity to be used.

Where are Smoke Extraction Motors Used?

GAMAK Smoke Extraction Motors are designed for use in all enclosed spaces where smoke must be removed quickly in the event of a fire, and their high temperature resistance makes them suitable for critical emergency operations. These motors are integrated with smoke extraction fans, pressurization systems and smoke extraction damper motors that open and close fire dampers, making them a key component of the fire safety infrastructure. They are used especially in shopping malls, tunnels, industrial plants, parking lots and high-rise buildings to direct smoke in a controlled manner.

In emergency situations, these motors prevent smoke layering, increase the visibility of escape routes and support the safe extraction process. In large-scale HVAC systems, they are preferred to maintain fresh air flow and provide the flow rate required by emergency extraction scenarios. They also prevent smoke leakage by creating positive pressure in pressurized stairwells and corridors. In this way, it allows the uninterrupted operation of smoke control systems, which are critical for both human safety and structural strength.

What are the Types of Smoke Extraction Motors?

Smoke extraction motor types are classified according to criteria such as torque, mounting type and temperature resistance required by fan systems in fire scenarios. The main types of smoke extraction motors can be listed as follows:

• Standard smoke extraction motor: These are motors with cast iron housing and IP55 protection, used in fan applications that require high temperature resistance.
• Pad mounted smoke extraction motor: These are motors with base-fixed design preferred in large volume extraction systems requiring low vibration floor installation.
• Dual speed smoke extraction motor: Motors that provide normal ventilation and emergency speed in the same system, manufactured with 2-4 pole options.
• High temperature class (F300/F400) motors: Models with special insulation and bearing design for applications requiring two-hour operation at 300°C or 400°C.

These motor types are optimized to meet the different operational requirements of smoke control and pressurization systems. Each motor type offers different performance advantages depending on the temperature profile, fan geometry and mounting arrangement of the area where it will be used. Choosing the right motor is critical to the maintenance of the fire safety infrastructure and extraction efficiency.

Gamak Smoke Extraction Motors Series

The range of smoke extraction motors is offered in F300 and F400 classes with special designs aimed at ensuring reliable operation in high temperature emergency conditions. F300 models are certified to operate continuously at 300°C and F400 at 400°C for at least 2 hours. This endurance level ensures that the motor continues to produce stable torque to the smoke extraction system in cases of fire. Class H insulation, IP55 protection level and cast iron housing construction provide the thermal safety required for demanding ventilation shafts and fan systems operating under high heat loads. With these features, the GAMAK Smoke Extraction Motor series offers an ideal solution for professional applications seeking high performance and long life in smoke control and pressurization infrastructure.