Good Quality Nov Mud Pump Made In China - 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 retain bettering and perfecting our merchandise and service. At the same time, we do the job actively to do research and improvement for Wholesale , Antique Brass Hookah , Lockable Gas Spring , We are able to do your tailored get to fulfill your own satisfactory! Our organization sets up several departments, including manufacturing department, sales department, high quality control department and sevice center, etc.
Good Quality Nov Mud Pump Made In China - 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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Good Quality Nov Mud Pump Made In China -
 piston ring – DONGYI detail pictures

Good Quality Nov Mud Pump Made In China -
 piston ring – DONGYI detail pictures


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We pursue the administration tenet of "Quality is remarkable, Services is supreme, Status is first", and will sincerely create and share success with all customers for Good Quality Nov Mud Pump Made In China - piston ring – DONGYI, The product will supply to all over the world, such as: Turkey , Dubai , Sri Lanka , During in 11 years,We have participated in more than 20 exhibitions,obtains the highest praise from each customer. Our company always aim to provide the customer best products with lowest price. We are making great efforts to achieve this win-win situation and sincerely welcome you to join us. Join us, show your beauty. We will always be your first choice. Trust us, you will never lose heart.
  • We have been engaged in this industry for many years, we appreciate the work attitude and production capacity of the company, this is a reputable and professional manufacturer.
    5 Stars By Christopher Mabey from Malaysia - 2018.11.02 11:11
    It is a very good, very rare business partners, looking forward to the next more perfect cooperation!
    5 Stars By jari dedenroth from Istanbul - 2017.09.22 11:32
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