Parallel Damper for Steel & Sponge Iron Plants

UGES Parallel Dampers deliver precise airflow modulation in U.S. steel and sponge iron plant gas handling systems. With synchronized parallel blades and robust actuator packages, these dampers regulate combustion air to reheating furnaces, process gas flow in DRI circuits, and ventilation air in melt shop de-dusting systems.

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Parallel Damper Key Specifications

Blade Material

SS 310 / heat-resistant alloy steel for reheating furnace and DRI process gas duty

Temperature Rating

Up to 500°C for reheating furnace exhaust; 350°C for DRI reformed gas circuits

Actuation Type

Electric actuator with 4–20 mA control, explosion-proof certified for gas zone areas

Size Range

800 mm × 800 mm to 4500 mm × 3500 mm for large off-gas duct installations

Blade Configuration

8 to 18 parallel blades with heavy-duty torque tube linkage for synchronized rotation

Pressure Drop

Streamlined blade profile for minimal resistance, <18 mmWG at rated flow in open position

Industrial Applications

Reheating Furnace Combustion Air Control
Modulates combustion air supply to continuous reheating furnaces, maintaining optimal air-fuel ratio for billet and slab heating across varying rolling schedules.
DRI Process Gas Regulation
Controls reformed gas flow to DRI shaft reactors, adjusting reducing gas volume and composition to achieve target metallization levels.
Melt Shop De-Dusting Fan Control
Regulates suction airflow to EAF and ladle furnace de-dusting systems, balancing capture efficiency with fan energy consumption.

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