OEM/ODM Factory Automatic Air 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 2/2 Compressed Air Valve?
Duct Cleaner Air Valve Options
Our firm aims to operating faithfully, serving to all of our consumers , and working in new technology and new machine continually for OEM/ODM Factory Automatic Air Valve - rider ring – DONGYI, The product will supply to all over the world, such as: Amman, Muscat , Jeddah , We are proud to supply our products and solutions to every costumer all around the world with our flexible, fast efficient services and strictest quality control standard which has always approved and praised by customers.

This is the first business after our company establish, products and services are very satisfying, we have a good start, we hope to cooperate continuous in the future!

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