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?
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We have advanced equipment. Our products are exported to the USA, the UK and so on, enjoying a good reputation among customers for OEM/ODM Factory Automatic Air Valve - rider ring – DONGYI, The product will supply to all over the world, such as: New Delhi , Tunisia , Ecuador , We supply skilled service, prompt reply, timely delivery, excellent quality and best price to our customers. Satisfaction and good credit to every customer is our priority. We focus on every detail of order processing for customers till they have received safe and sound items with good logistics service and economical cost. Depending on this, our products and solutions are sold very well in the countries in Africa, the Mid-East and Southeast Asia. Adhering to the business philosophy of ??customer first, forge ahead', we sincerely welcome clients from at home and abroad to cooperate with us.

The factory technical staff gave us a lot of good advice in the cooperation process, this is very good, we are very grateful.

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