High Quality for Double Block Bleed Ball Valve - Best Price on Two Stem Design Needle Valve - rider ring – DONGYI – 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?
Duct Cleaner Air Valve Options
Our business puts emphasis over the administration, the introduction of talented staff, plus the construction of team building, attempting hard to boost the standard and liability consciousness of personnel customers. Our corporation successfully attained IS9001 Certification and European CE Certification of High Quality for Double Block Bleed Ball Valve - Best Price on Two Stem Design Needle Valve - rider ring – DONGYI – DONGYI, The product will supply to all over the world, such as: Indonesia , Madrid , Plymouth , By integrating manufacturing with foreign trade sectors, we can offer total customer solutions by guaranteeing the delivery of right items to the right place at the right time, which is supported by our abundant experiences, powerful production capability, consistent quality, diversified product portfolios and the control of the industry trend as well as our mature before and after sales services. We'd like to share our ideas with you and welcome your comments and questions.

Reasonable price, good attitude of consultation, finally we achieve a win-win situation,a happy cooperation!
