2018 Latest Design Canton Fair Roll Jar Mill - piston ring – DONGYI

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Tribologically advantageous materials Gas-tight construction for low-molecular-weight gases piston rings seal the gas in the compression chamber of reciprocating compressors. They are customized, in terms of design and material, to the respective application conditions in refineries, the natural gas industry, as well as the petrochemical and chemical industries. The precisely manufactured rings also allow reliable operation with a long service life in industrial air production and many areas...


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2018 Latest Design Canton Fair Roll Jar Mill - piston ring – DONGYI Detail:

Tribologically advantageous materials
Gas-tight construction for low-molecular-weight gases

piston rings seal the gas in the compression chamber of reciprocating compressors. They are customized, in terms of design and material, to the respective application conditions in refineries, the natural gas industry, as well as the petrochemical and chemical industries. The precisely manufactured rings also allow reliable operation with a long service life in industrial air production and many areas of process engineering.

Piston rings, rider rings and bands are manufactured in various designs:

One-piece or segmental straight
Angle cut
Step cut
Twin Ring™
Double Twin Ring™
Two Segment
Pressure balanced
designs rings and has developed specific combinations for particularly problematic and demanding applications. This has also included numerous successful conversions from lubricated to non-lubricated operation.Pressure balanced rings are available, when deemed appropriate for high pressure applications and piston/rider ring combinations are also available for more specific applications.

Large diameter piston rings up to 47” (1200mm) are custom manufactured for special requirements. A range of metallic piston and rider rings are also manufactured, using selected grades of bronze or cast iron, where operational requirements dictate.


Product detail pictures:

2018 Latest Design Canton Fair Roll Jar Mill -
 piston ring – DONGYI detail pictures

2018 Latest Design Canton Fair Roll Jar Mill -
 piston ring – DONGYI detail pictures


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Innovation, excellent and reliability are the core values of our business. These principles today extra than ever form the basis of our success as an internationally active mid-size company for 2018 Latest Design Canton Fair Roll Jar Mill - piston ring – DONGYI, The product will supply to all over the world, such as: azerbaijan , venezuela , Jakarta , We offer the great variety of products in this field. Besides, customized orders are also available. What's more, you will enjoy our excellent services. In one word, your satisfaction is guaranteed. Welcome to visit our company! For more information, please come to our website.If any further inquiries, please feel free to contact us.
  • This is a very professional and honest Chinese supplier, from now on we fell in love with the Chinese manufacturing.
    5 Stars By Caroline from Estonia - 2017.11.11 11:41
    This enterprise in the industry is strong and competitive, advancing with the times and develop sustainable, we are very pleased to have a opportunity to cooperate!
    5 Stars By Olga from Romania - 2017.03.28 16:34
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