Manual Parallel Blade Damper

Controlling airflow is essential for HVAC systems. Our Manual Opposed-Blade Volume Control Dampers give you this control. They use opposed blades that move in parallel. The blades open and close together, giving even airflow adjustment. A manual actuator with a worm gear or handle allows 0° to 90° positioning. The adjustment is linear and stable with no drift. The blades seal tightly when closed. This gives low air leakage and good airtightness. Yancheng Lima Air Conditioning Engineering Co., Ltd. has been providing quality air control products since 1996.

Reliable operation over time matters. Our Manual Opposed-Blade Volume Control Dampers have a smooth action. The connecting rods and actuator brackets allow easy, light movement. Positioning is stable and reliable. The body and blades are made from high-quality galvanized steel or stainless steel. They have high strength, resist corrosion, and do not deform. This gives a long service life with low noise and low airflow resistance.

These dampers are used in many applications. They work in air handling units, fresh air units, and cleanroom systems. They are installed at unit inlets and outlets. They also work on branch ducts for airflow distribution. Other uses include airflow adjustment at grille inlets. They are found in shopping malls, offices, hotels, and factories. Cleanrooms in electronics, pharmaceutical, and food industries also use them. Machine rooms, warehouses, basements, and laboratories are common installations. Our factory uses advanced equipment to ensure precision.

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