Offset Rotary Airlock Valves for Power Plants
UGES offset rotary airlock valves minimize particle degradation and rotor tip wear during fly ash and bottom ash handling in thermal power plants. The offset rotor geometry reduces the crushing zone between rotor and housing, extending service life when handling abrasive ash materials.
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Especificaciones clave de Offset Rotary Airlock Valves
Rotor Design
Offset-mounted rotor with 10 blades and asymmetric housing clearance that reduces the grinding action between rotor tips and housing bore during ash transfer.
Housing Material
Cast iron housing with optional SS 304 lining and offset bore geometry, reducing localized wear from abrasive fly ash particles at the rotor-housing interface.
Inlet Size Range
150mm to 450mm inlet flanges with offset entry zone that reduces ash particle compression, minimizing generation of ultra-fine dust during valve operation.
Pressure Rating
Differential pressure sealing up to 1.0 bar with offset geometry maintaining reliable air sealing while reducing abrasive wear at the rotor tip contact zone.
Temperature Range
Standard operation to 120°C; high-temperature variant to 230°C for handling hot ash from economizers and air preheaters with extended rotor tip life.
Blade Configuration
10-blade offset rotor with replaceable alloy steel tips positioned to minimize nip-point contact, extending blade service intervals in abrasive ash service.

Aplicaciones industriales
Fly Ash Low-Wear Transfer
Transfers fly ash from ESP hoppers with reduced rotor tip wear, extending maintenance intervals and reducing spare parts consumption in ash handling systems.
Bottom Ash Gentle Metering
Meters bottom ash granules without excessive crushing, preserving ash particle size for beneficial reuse in construction materials and cement blending.
Bed Ash Extraction
Extracts fluidized bed boiler ash with reduced particle attrition, maintaining bed material sizing for recirculation and minimizing fines carryover.
Lo que dicen nuestros socios
- Industrias atendidas
- 15+
- Años de experiencia
- 10+
- Sistemas instalados
- 500+
- Clientes satisfechos
- 600+
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