Special Price for Split Service 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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So that you can finest fulfill client's demands, all of our operations are strictly performed in line with our motto "High Excellent, Competitive Price, Fast Service" for Rotary Valve For Powder Feeder , Valve Plate Assembly , Peek Seat Top Entry Ball Valve , "Making the Products of Large Quality" is definitely the everlasting purpose of our enterprise. We make unremitting endeavours to know the target of "We Will Always Hold in Pace along with the Time".
Special Price for Split Service 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:

Special Price for Split Service Valve -
 piston ring – DONGYI detail pictures

Special Price for Split Service Valve -
 piston ring – DONGYI detail pictures


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Our commission is always to provide our customers and clientele with best quality and aggressive portable digital products for Special Price for Split Service Valve - piston ring – DONGYI, The product will supply to all over the world, such as: Los Angeles , moldova , Doha , Meanwhile, we're building up and consummating triangle market & strategic cooperation in order to achieve a multi-win trade supply chain to expand our market vertically and horizontally for a brighter prospects. development. Our philosophy is to create cost-effective products and solutions, promote perfect services, cooperate for long-term and mutual benefits, firm a in depth mode of excellent suppliers system and marketing agents, brand strategic cooperation sales system.
  • Good quality and fast delivery, it's very nice. Some products have a little bit problem, but the supplier replaced timely, overall, we are satisfied.
    5 Stars By Patricia from Dominica - 2017.01.11 17:15
    The company's products very well, we have purchased and cooperated many times, fair price and assured quality, in short, this is a trustworthy company!
    5 Stars By Mamie from Armenia - 2017.02.18 15:54
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