Hot sale Connecting Rod Bolt - 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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Our group through specialist training. Skilled expert knowledge, sturdy sense of assistance, to fulfill the provider needs of shoppers for Control Butterfly Valve , Compression Spring For Hinge , Rubber Air Valve , We cordially welcome customers from at home and abroad to join us and cooperate with us to enjoy a better future.
Hot sale Connecting Rod Bolt - 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:

Hot sale Connecting Rod Bolt -
 piston ring – DONGYI detail pictures

Hot sale Connecting Rod Bolt -
 piston ring – DONGYI detail pictures


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Our corporation puts emphasis about the administration, the introduction of talented staff, plus the construction of team building, attempting hard to improve the quality and liability consciousness of team members. Our organization successfully attained IS9001 Certification and European CE Certification of Hot sale Connecting Rod Bolt - piston ring – DONGYI, The product will supply to all over the world, such as: Iran , Nepal , Surabaya , Our company has a skillful sales team, strong economic foundation, great technical force, advanced equipment, complete testing means, and excellent after-sales services. Our items have beautiful appearance, fine workmanship and superior quality and win the unanimous approvals of the customers all over the world.
  • The company comply with the contract strict, a very reputable manufacturers, worthy a long-term cooperation.
    5 Stars By Tina from Portugal - 2017.11.01 17:04
    It's really lucky to find such a professional and responsible manufacturer, the product quality is good and delivery is timely, very nice.
    5 Stars By Maggie from Curacao - 2017.10.25 15:53
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