Factory source Bus Air Brake Foot Valves - 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 thinks what customers think, the urgency of urgency to act in the interests of a customer position of principle, allowing for better quality, lower processing costs, prices are more reasonable, won the new and old customers the support and affirmation for Me093424 , Machining Polycarbonate , Howo Piston Ring , We are very proud of the good reputation from our customers for our products' reliable quality.
Factory source Bus Air Brake Foot Valves - 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:

Factory source Bus Air Brake Foot Valves -
 piston ring – DONGYI detail pictures

Factory source Bus Air Brake Foot Valves -
 piston ring – DONGYI detail pictures


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As a way to ideal meet up with client's desires, all of our operations are strictly performed in line with our motto "High Top quality, Competitive Cost, Fast Service" for Factory source Bus Air Brake Foot Valves - piston ring – DONGYI, The product will supply to all over the world, such as: Germany , Lithuania , Haiti , We adopt advanced production equipment and technology, and perfect testing equipment and methods to ensure our product quality. With our high-level talents, scientific management, excellent teams, and attentive service, our merchandise are favored by domestic and foreign customers. With your support, we'll build a better tomorrow!
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    5 Stars By Abigail from Egypt - 2018.02.21 12:14
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    5 Stars By Betsy from French - 2018.12.14 15:26
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