Detailed description

Rotary valve (airlocks) This is applied to discharge granule,powder material or add granule,powder material either in different positive air pressure or in different negative air-pressure of pneumatic conveying system. Also it is a necessary device for ventilation and move dust system. The max pressure ≤ 0.12Mpa, working temperature ≤280 C.

- Material in carbon steel or stainless steel keeps solid durability
- Minimum gap between blade and body can lock the air efficiently
- Driving method can be direct drive model or chain drive model.
- This kind of rotary valve also called rotary air lock valve, rotary discharge valve, rotary feeder valve,
airlocks (rotary valve) are suitable for pneumatic conveying system to feed or unload the materials as the necessary equipment for the pipelines of pneumatic transmission and dedust ventilation, which are widely used for grain & oil, foodstuff, feedstuff, chemical, drying, dedust, storage industries and so on.Rotary valves include two kinds of structures such as normal and combined types. The normal rotary valves has no driving unit, the combined rotary valve equipped with cycloid pin gear reducer.
As per different bearing positions, the rotary valves are divided into two structures such as internal and external types. The bearing internal type is suitable for the material with low temperature mediate and big diameter granularity. The bearing external type, there is a certain distance between bearing and shell, is suitable for the material with high temperature mediate and easily blowby. 
The impeller type of rotary valve has non-inserted blade and inserted blade structures. The clearance between impeller and shell of non-inserted blade rotary valve can''t be adjusted. The main feature of inserted blade rotary valve is that the clearance between impeller and shell can be adjusted and equipped with corresponding the inserted pieces according to different material properties.

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