Well-designed Electric Ball 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:
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What’s A 4/2 Compressed Air Valve?
As a way to present you with ease and enlarge our enterprise, we also have inspectors in QC Workforce and assure you our greatest support and solution for Well-designed Electric Ball Valve - rider ring – DONGYI, The product will supply to all over the world, such as: Latvia , Armenia , Chile , We have been very responsible for all details on our customers order no matter on warranty quality, satisfied prices, quick delivery, on time communication, satisfied packing, easy payment terms, best shipment terms, after sales service etc. We provide one-stop service and best reliability to our every customers. We work hard with our customers, colleagues, workers to make a better future.

Company director has very rich management experience and strict attitude, sales staff are warm and cheerful, technical staff are professional and responsible,so we have no worry about product,a nice manufacturer.

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