Best quality Butterfly Valves - 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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Gaining customer satisfaction is our company's aim forever. We will make great efforts to develop new and top-quality products, meet your special requirements and provide you with pre-sale, on-sale and after-sale services for Best quality Butterfly Valves - rider ring – DONGYI, The product will supply to all over the world, such as: Montreal , Hungary , New Zealand , Facing fierce global market competition, we have launched the brand building strategy and updated the spirit of "human-oriented and faithful service", with an aim to gain global recognition and sustainable development.

The enterprise has a strong capital and competitive power, product is sufficient, reliable, so we have no worries on cooperating with them.

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