Manufacturer of Swing Machine Excavator - 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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We pursue the management tenet of "Quality is remarkable, Company is supreme, Name is first", and will sincerely create and share success with all clientele for Low Price 6ct Connecting Rod , Air Release Valve , Oil Seal Ring , We cordially welcome customers from at home and abroad to join us and cooperate with us to enjoy a better future.
Manufacturer of Swing Machine Excavator - 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:

Manufacturer of Swing Machine Excavator -
 piston ring – DONGYI detail pictures

Manufacturer of Swing Machine Excavator -
 piston ring – DONGYI detail pictures


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Being supported by an state-of-the-art and skilled IT team, we could supply technical support on pre-sales & after-sales service for Manufacturer of Swing Machine Excavator - piston ring – DONGYI, The product will supply to all over the world, such as: Macedonia , New Orleans , Seychelles , We've got a dedicated and aggressive sales team, and many branches, catering to our customers. We are looking for long-term business partnerships, and ensure our suppliers that they will absolutely benefit in both short and long run.
  • Problems can be quickly and effectively resolved, it is worth to be trust and working together.
    5 Stars By Merry from Croatia - 2017.06.16 18:23
    We have been engaged in this industry for many years, we appreciate the work attitude and production capacity of the company, this is a reputable and professional manufacturer.
    5 Stars By Candy from Pakistan - 2018.09.12 17:18
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