New Arrival China Stainless Steel Gauge 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:

Related Product Guide:
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What’s a 2/2 Compressed Air Valve?
Our business aims to operating faithfully, serving to all of our clients , and working in new technology and new machine continuously for New Arrival China Stainless Steel Gauge Valve - rider ring – DONGYI, The product will supply to all over the world, such as: Nicaragua , Cannes , Argentina , Our mission is "Provide Goods with Reliable Quality and Reasonable Prices". We welcome customers from every corner of the world to contact us for future business relationships and achieving mutual success!

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.
