Super Purchasing for Valve Plate Damage - piston ring – DONGYI

Short Description:

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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Our company sticks into the basic principle of "Quality is definitely the life of the business, and status may be the soul of it" for Piston Rings 86mm , Sanitary Valve , Oxygen Gas Valve , We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!
Super Purchasing for Valve Plate Damage - 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:

Super Purchasing for Valve Plate Damage -
 piston ring – DONGYI detail pictures

Super Purchasing for Valve Plate Damage -
 piston ring – DONGYI detail pictures


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We can normally fulfill our respected consumers with our great excellent, great value and good provider due to we're much more specialist and extra hard-working and do it in cost-effective way for Super Purchasing for Valve Plate Damage - piston ring – DONGYI, The product will supply to all over the world, such as: UK , Mexico , Uruguay , Our company sticks to the principle of "high quality, reasonable price and timely delivery". We sincerely hope to establish good cooperative relationships with our new and old business partners from all parts of the world. We hope to work with you and serve you with our excellent goods and services. Welcome to join us!
  • The factory has advanced equipment, experienced staffs and good management level, so product quality had assurance, this cooperation is very relaxed and happy!
    5 Stars By Polly from United States - 2017.11.12 12:31
    This supplier offers high quality but low price products, it is really a nice manufacturer and business partner.
    5 Stars By Cora from Johannesburg - 2017.11.29 11:09
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