Side Entry Rotary Airlock Valves for Power Plants

UGES side entry rotary airlock valves enable ash and coal handling in U.S. power plant locations with restricted vertical clearance. The horizontal side-mounted inlet design allows installation beneath low-profile hoppers, horizontal screw conveyors, and confined boiler house areas.

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Side Entry Rotary Airlock Valves Key Specifications

Rotor Design

Side entry rotor with 10 blades and horizontal inlet for efficient pickup of fine fly ash and coal dust from side-discharge conveyors and low-profile hoppers.

Housing Material

Cast iron housing with optional SS 304 lining and side-mounted inlet port, providing corrosion resistance for sulfurous fly ash in confined power plant areas.

Inlet Size Range

150mm to 400mm side-mounted rectangular inlet flanges sized for integration with horizontal ash conveyors and low-clearance ESP hopper discharge chutes.

Pressure Rating

Differential pressure sealing up to 1.0 bar with optimized side entry seal geometry for reliable pressure isolation in power plant ash handling.

Temperature Range

Standard operation to 120°C; high-temperature variant to 220°C for ash handling in confined spaces near economizers and air preheaters.

Blade Configuration

10-blade rotor with replaceable alloy steel tips and side-optimized pocket profile for efficient horizontal material intake and clean vertical discharge.

Industrial Applications

Confined ESP Hopper Discharge
Provides airlock feeding beneath low-clearance ESP hoppers where vertical drop-through valves cannot fit, maintaining dust collection system integrity.
Horizontal Screw Conveyor Interface
Accepts ash or coal directly from horizontal screw conveyor discharge ends, providing a pressure seal before pneumatic conveying in tight boiler house layouts.
Compact Ash Silo Discharge
Feeds fly ash from silo side outlets into pneumatic conveying lines where overhead clearance is insufficient for conventional top-entry airlock valves.

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