Best-Selling Dust Collector Rotary Valve - rider ring – DONGYI Detail:
Selection from a comprehensive range of tribological materials
No pressure applied to the rider ring by relief grooves
Conversion of cylinder from lubricated to non-lubricated operation
In reciprocating compressors, rider rings guide the piston in the cylinder bore.
We manufacture them from materials that are specifically developed for the respective application.
Product detail pictures:

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Our workforce through professional training. Skilled professional knowledge, solid sense of service, to fulfill the services demands of consumers for Best-Selling Dust Collector Rotary Valve - rider ring – DONGYI, The product will supply to all over the world, such as: Bangalore , Philippines , Libya , We have established long-term, stable and good business relationships with many manufacturers and wholesalers around the world. Currently, we are looking forward to even greater cooperation with overseas customers based on mutual benefits. Please feel free to contact us for more details.

Good quality and fast delivery, it's very nice. Some products have a little bit problem, but the supplier replaced timely, overall, we are satisfied.
