IOS Certificate Generator Piston Rings - 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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"Control the standard by the details, show the power by quality". Our organization has strived to establish a highly efficient and stable employees team and explored an effective high-quality command method for Mud Pump Power End Parts , Piston Rings 86mm , Npt Ball Valve , Our business has already setup a professional, creative and responsible workforce to develop purchasers together with the multi-win principle.
IOS Certificate Generator Piston Rings - 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:

IOS Certificate Generator Piston Rings -
 piston ring – DONGYI detail pictures

IOS Certificate Generator Piston Rings -
 piston ring – DONGYI detail pictures


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We normally think and practice corresponding towards the change of circumstance, and grow up. We aim at the achievement of a richer mind and body plus the living for IOS Certificate Generator Piston Rings - piston ring – DONGYI, The product will supply to all over the world, such as: Rio de Janeiro , Georgia , Bulgaria , We've been persisting in the business essence "Quality First, Honoring Contracts and Standing by Reputations, providing customers with satisfying products and service. " Friends both at home and abroad are warmly welcome to establish everlasting business relations with us.
  • The product manager is a very hot and professional person, we have a pleasant conversation, and finally we reached a consensus agreement.
    5 Stars By Hazel from Germany - 2018.09.21 11:01
    This is a honest and trustworthy company, technology and equipment are very advanced and the prodduct is very adequate, there is no worry in the suppliment.
    5 Stars By Maxine from Nigeria - 2017.06.25 12:48
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