Unloader valve, also named rotary star type discharge valve, is composed by 3 parts, electrical machine, tooth differenced planetary gear speed reducer (X) or nylon needle cycloid speed reducer (Z) and dragon tripper.

1.compact structure, good-looking appearance, easy operation
2.smooth running, low noises
3.good improvement on high-temperature lubrication
4.can be manufactured according to customers' requirement
5.Rotary star type discharge valve is often used in the industry of metallurgy, chemical, grain, cement, road construction, dry equipment etc

Its features are as following:

1）The main parts of the housing minted closely, robust construction, high strength and difficult to deformation, beautiful appearance；

2）Smooth operation, low noise, easy to use；

3）High precision can guarantee the minimum gap；

4）The cross section mouth of the housing is special, effectively prevent extrusion and shearing crushing of particulate material；

5）In the casing have an exhaust passage and exhaust pipe joint for balanced pressure ,thus to improve work efficiency and prevent hoarding material；

6）A variety of materials can be selected according to customer requirements: stainless steel, carbon steel etc；

7）A variety of flange choose: round or square flange.