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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It can be a great way to enhance our solutions and service. Our mission would be to build inventive products to consumers with a superior working experience for Ball Valve Handles , Piston Rod , Oxygen Shutoff Valve , Our company is working by the operation principle of "integrity-based, cooperation created, people oriented, win-win cooperation". We hope we can have a friendly relationship with businessman from all over the world.
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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we can offer high quality products, competitive price and best customer service. Our destination is "You come here with difficulty and we give you a smile to take away" for 2018 Latest Design Canton Fair Roll Jar Mill - piston ring – DONGYI, The product will supply to all over the world, such as: European , Hamburg , Hanover , We've been adhering to the philosophy of "attracting customers with the best items and excellent service". We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.
  • Timely delivery, strict implementation of the contract provisions of the goods, encountered special circumstances, but also actively cooperate, a trustworthy company!
    5 Stars By Jeff Wolfe from United Arab Emirates - 2017.11.20 15:58
    This supplier offers high quality but low price products, it is really a nice manufacturer and business partner.
    5 Stars By Sandy from Muscat - 2018.09.29 17:23
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