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Dampers

Precision Heavy-Duty Flow Control & Industrial Air Control Dampers

Multi-Louvre Dampers

Lero Engineering manufactures multiblade dampers consisting of parallel aerofoil or flat blades used for precise airflow control and flow balancing in ducts and ventilation systems.

Inlet Guide Vane (IGV)

Lero Engineering makes adjustable vanesinstalled at the fan inlet to regulate airflow and improve energy efficiency by controlling volume without throttling losses.

Butterfly Dampers

At Lero Engineering we manufacture single-disc rotating dampers used for isolation or basic flow control in low to medium pressure ducting systems.

Guillotine Dampers

Lero manufactures Slide-type isolation dampers designed for tight shut- off applications in high-temperature or dustladen gas systems.

Diverter Dampers

Lero makes diverter dampers which are used to redirect airflow between two or more duct paths, commonly used in bypass or process switching systems.

Stack Dampers

Lero manufactures stack dampers, used to redirect airflow between two or more duct paths, commonly used in bypass orprocess switching systems.

Backdraft Dampers

Backdraft dampers are offered by flowsun, which are used to redirect airflow between two or more duct paths, commonly used in bypass or process switching systems.

Pneumatic / Motorized Control Dampers:

Lero manufactures dampers used to redirect airflow between two or more duct paths, commonly used in bypass or process switching systems.

Large rectangular multi-louvre industrial damper with connected external linkage bars on a workshop floor
Front close-up view of a circular adjustable inlet guide vane damper assembly for airflow control
A line of fabricated circular industrial butterfly dampers with central rotating discs ready for shipment
Large-scale metallic inlet guide vane assembly with radial blades for high-volume industrial fans
Side view of an industrial guillotine damper with a slide gate plate mechanism and motorized actuator drive
Standalone square industrial backdraft damper with horizontal parallel louvre blades in a steel frame
Bright blue painted industrial three-way diverter damper valve with manual lever mechanism on a workshop floor
Heavy industrial stack or diverter damper system with a triangular metal framing structure resting on supports
Precision Flow Control Engineering

Advanced Heavy-Duty Flow Control & Industrial Air Control Dampers

At Lero Engineering & Services, we design, engineer, and fabricate top-tier industrial dampers for critical isolation and precise airflow modulation. Our rugged mechanical designs guarantee near-zero leakage, maximum thermal durability, and absolute flow control under high-pressure plant environments.