Quoted price for Stainless Steel Air Vent 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:
What’s a 3/2 Compressed Air Valve?
What Is an Air Release Valve?
Our concentrate on should be to consolidate and enhance the quality and service of present products, meanwhile consistently produce new products to meet unique customers' demands for Quoted price for Stainless Steel Air Vent Valve - rider ring – DONGYI, The product will supply to all over the world, such as: Moscow , Costa rica , Bahrain , We are seeking the chances to meet all the friends from both at home and abroad for the win-win cooperation. We sincerely hope to have long-term cooperation with all of you on the bases of mutual benefit and common development.

Product quality is good, quality assurance system is complete, every link can inquire and solve the problem timely!
