Double Flap Damper for Cement Plants

UGES double flap dampers provide reliable gravity flow sealing in U.S. cement plant material handling. The two-flap design creates an effective airlock seal without rotary components, ideal for gravity-fed ducts and chutes. Used in clinker cooler discharge, raw meal transport, coal feeding and bag filter collection. Available in abrasion-resistant steel with manual or actuator-driven operation.

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Double Flap Damper Key Specifications

Blade Material

Hardox / AR400 abrasion-resistant steel with replaceable wear liners

Temperature Rating

Up to 400°C for hot gas isolation in kiln and cooler circuits

Actuation Type

Counter-weighted self-closing with optional pneumatic actuator for remote control

Size Range

400 mm × 400 mm to 2000 mm × 2000 mm to match hopper and duct outlets

Sealing

Dual flap metal-to-metal seal providing near-zero leakage at ±500 mmWG pressure

Cycle Life

Rated for 500,000+ open-close cycles under continuous cement plant operation

Industrial Applications

Clinker Cooler Isolation
Provides gas-tight shutoff between clinker cooler compartments and downstream conveyors, preventing hot air infiltration during maintenance.
Dust Collection Hopper Outlet
Controls gravity discharge of collected cement dust from ESP and baghouse hoppers while maintaining system negative pressure.
Raw Mill Circuit Isolation
Isolates raw mill gas ducts during mill stops, preventing false air ingress that degrades preheater thermal efficiency.

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