Butterfly Gate for Steel & Sponge Iron Plants

UGES Butterfly Gates provide rapid rotary disc shutoff for pipeline and duct applications in steel and sponge iron plants. Their compact quarter-turn operation enables fast cycling for DRI pneumatic conveying, process gas duct isolation, and material stream switching in automated steelmaking systems.

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Butterfly Gate Key Specifications

Actuation

Pneumatic quarter-turn actuator for automated DRI conveying line switching; electric actuator for modulating gas duct damper control in steel plant processes.

Sealing Type

Resilient seat for DRI and flux pneumatic conveying; metal seat for process gas duct applications with elevated temperatures in sponge iron production.

Seating Configuration

Soft seated with heat-resistant elastomers for ambient DRI conveying; metal-seated for kiln off-gas and process gas ducts at temperatures up to 300°C.

Port Shape

Circular port in wafer or lug body for pipeline flange mounting; rectangular body option for gas duct isolation in sponge iron kiln off-gas systems.

Body Material

Cast iron body for standard service; mild steel fabricated for large duct dampers; stainless steel disc for corrosive gas handling in DRI plant off-gas systems.

Size Range

Available from 100 mm to 600 mm for DRI pneumatic conveying lines, process gas ducts, and material injection systems in steel and sponge iron plants.

Industrial Applications

DRI Pneumatic Transfer Line
Installed in hot DRI pneumatic transport lines between kiln discharge and briquetting/EAF feed systems for rapid isolation during line switching and maintenance.
Process Gas Duct Isolation
Mounted in kiln off-gas and waste heat recovery ducts to isolate duct sections for maintenance while maintaining process continuity in parallel gas trains.
Carbon Injection System
Used in carbon and flux injection pipelines to EAF or ladle furnace for quick on/off control of additive injection during steelmaking heat cycles.

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