New Delivery for Flanged 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're proud from the higher client fulfillment and wide acceptance due to our persistent pursuit of high quality both on product and service for Stainless Steel Ball Valves , Guiding Support Ring , Rod Cap , Our enterprise insists on innovation to promote the sustainable advancement of organization, and make us become the domestic high-quality suppliers.
New Delivery for Flanged 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.


Product detail pictures:

New Delivery for Flanged Ball Valve -
 piston ring – DONGYI detail pictures

New Delivery for Flanged Ball Valve -
 piston ring – DONGYI detail pictures


Related Product Guide:
What Is an Air Release Valve?
What’s A 4/2 Compressed Air Valve?

We have the most advanced production equipment, experienced and qualified engineers and workers, recognized quality control systems and a friendly professional sales team pre/after-sales support for New Delivery for Flanged Ball Valve - piston ring – DONGYI, The product will supply to all over the world, such as: Stuttgart , Uruguay , Belgium , Should any of these items be of interest to you, please let us know. We'll be satisfied to give you a quotation upon receipt of one's detailed specifications. We have our personal experienced R&D enginners to meet any of one's requriements, We appear forward to receiving your enquires soon'and hope to have the opportunity to work together with you in the future. Welcome to check out our company.
  • The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.
    5 Stars By Susan from Porto - 2018.08.12 12:27
    Product variety is complete, good quality and inexpensive, the delivery is fast and transport is security, very good, we are happy to cooperate with a reputable company!
    5 Stars By Bess from Colombia - 2018.09.21 11:44
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