Cheap price Constant Pressure Expansion 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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Innovation, good quality and reliability are the core values of our enterprise. These principles today extra than ever form the basis of our success as an internationally active mid-size organization for Cheap price Constant Pressure Expansion Valve - rider ring – DONGYI, The product will supply to all over the world, such as: Azerbaijan , Sheffield , Ethiopia , We have more than 8 years of experience in this industry and have a good reputation in this field. Our products have won praise from customers worldwide. Our aim is to help customers realize their goals. We are making great efforts to achieve this win-win situation and sincerely welcome you to join us.

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