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 4/2 Compressed Air Valve?
What’s a 2/2 Compressed Air Valve?
We rely upon strategic thinking, constant modernisation in all segments, technological advances and of course upon our employees that directly participate in our success for OEM/ODM Factory Automatic Air Valve - rider ring – DONGYI, The product will supply to all over the world, such as: Danish , Croatia , Armenia , Since the establishment of our company, we have realized the importance of providing good quality products and the best before-sales and after-sales services. Most problems between global suppliers and clients are due to poor communication. Culturally, suppliers can be reluctant to question things they do not understand. We break down those barriers to ensure you get what you want to the level you expect, when you want it.

A nice supplier in this industry, after a detail and careful discussion, we reached a consensus agreement. Hope that we cooperate smoothly.
