Competitive Price for Gas Filtration 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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Competitive Price for Gas Filtration 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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Competitive Price for Gas Filtration Valve -
 piston ring – DONGYI detail pictures

Competitive Price for Gas Filtration Valve -
 piston ring – DONGYI detail pictures


Related Product Guide:
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What’s a 3/2 Compressed Air Valve?

With this motto in mind, we have become one of the most technologically innovative, cost-efficient, and price-competitive manufacturers for Competitive Price for Gas Filtration Valve - piston ring – DONGYI, The product will supply to all over the world, such as: Sydney , Chile , Swiss , Immediate and specialist after-sale service supplied by our consultant group has happy our buyers. Detailed Info and parameters from the merchandise will probably be sent to you for any thorough acknowledge. Free samples may be delivered and company check out to our corporation. n Morocco for negotiation is constantly welcome. Hope to get inquiries type you and construct a long-term co-operation partnership.
  • The accounts manager made a detailed introduction about the product, so that we have a comprehensive understanding of the product, and ultimately we decided to cooperate.
    5 Stars By Lesley from Bolivia - 2016.12.19 11:10
    The after-sale warranty service is timely and thoughtful, encounter problems can be resolved very quickly, we feel reliable and secure.
    5 Stars By Arthur from United States - 2016.10.13 10:47
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