Boiler ash temperature is high temperature material, so chain drive type connection is much suitable. We designed the rotary airlock discharge valve for the user to discharge boiler ash, the reliable quality and service gained good evaluations from the user. 

Rotary airlock valve,also name ash discharge valve, is widely used for dust or ash discharging in dust collection system. The rotary airlock was product with a high precision with a very perfect air tightness. The rotary airlock valve can also be used for top silo disharging or penumatic conveying system.