Super Purchasing for Food Grade Stainless Steel Ball 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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We depend on sturdy technical force and continually create sophisticated technologies to meet the demand of Super Purchasing for Food Grade Stainless Steel Ball Valve - rider ring – DONGYI, The product will supply to all over the world, such as: Egypt , Morocco , Montreal , We aspire to meet the demands of our customers globally. Our range of products and services is continuously expanding to meet customers' requirements. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!

After the signing of the contract, we received satisfactory goods in a short term, this is a commendable manufacturer.
