Hot Selling for China Product Ball Valve - 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 are going to make every single effort for being excellent and excellent, and accelerate our ways for standing while in the rank of international top-grade and high-tech enterprises for Oil Needle Valve , Purge Air Valve , Trailer Parts , We respect your enquiry and it truly is our honor to operate with each friend around the world.
Hot Selling for China Product Ball Valve - 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.


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Hot Selling for China Product Ball Valve -
 piston ring – DONGYI detail pictures

Hot Selling for China Product Ball Valve -
 piston ring – DONGYI detail pictures


Related Product Guide:
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The consumer fulfillment is our primary goal. We uphold a consistent level of professionalism, top quality, credibility and service for Hot Selling for China Product Ball Valve - piston ring – DONGYI, The product will supply to all over the world, such as: Somalia , Denmark , French , What is good price? We provide customers with factory price. In the premise of good quality, efficiency must be paid attention to and maintain appropriate low and healthy profits. What is a fast delivery? We make the delivery according to customers' requirements. Although delivery time depends on the order quantity and the complexity of it, we still try to supply products in time. Sincerely hope we could have long term business relationship.
  • Goods just received, we are very satisfied, a very good supplier, hope to make persistent efforts to do better.
    5 Stars By Martha from Lithuania - 2018.12.25 12:43
    Hope that the company could stick to the enterprise spirit of "Quality, Efficiency, Innovation and Integrity", it will be better and better in the future.
    5 Stars By Sara from Riyadh - 2017.09.16 13:44
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