High Quality Air Compressor Safety Valve - piston ring – DONGYI

Short Description:

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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Our progress depends around the innovative machines, great talents and consistently strengthened technology forces for Heat Resistant Compression Spring , Air Interlock Valve , Piston , We warmly welcome all interested customers to contact us for more information.
High Quality Air Compressor Safety 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.


Product detail pictures:

High Quality Air Compressor Safety Valve -
 piston ring – DONGYI detail pictures

High Quality Air Compressor Safety Valve -
 piston ring – DONGYI detail pictures


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With our abundant experience and considerate products and services, we have been recognized to be a reputable supplier for a lot of global consumers for High Quality Air Compressor Safety Valve - piston ring – DONGYI, The product will supply to all over the world, such as: Mexico , Israel , Somalia , We have more than 8 years of experience in this industry and have a good reputation in this field. Our products have won praise from customers worldwide. Our aim is to help customers realize their goals. We are making great efforts to achieve this win-win situation and sincerely welcome you to join us.
  • Staff is skilled, well-equipped, process is specification, products meet the requirements and delivery is guaranteed, a best partner!
    5 Stars By Madge from Brasilia - 2018.03.03 13:09
    This supplier offers high quality but low price products, it is really a nice manufacturer and business partner.
    5 Stars By Lesley from Spain - 2018.02.21 12:14
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