Professional China Control Butterfly 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...


Product Detail

Product Tags

Related Video

Feedback (2)

owing to good service, a variety of high quality products, competitive prices and efficient delivery, we enjoy a good reputation among our customers. We are an energetic company with wide market for Rings Piston , Excavator Main Control Valve , Piston Ring For Renault , Our final goal is "To try the best, To be the Best". Please feel free to contact with us if you have any requirements.
Professional China Control Butterfly 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:

Professional China Control Butterfly Valve -
 piston ring – DONGYI detail pictures

Professional China Control Butterfly Valve -
 piston ring – DONGYI detail pictures


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

To get the stage of realizing dreams of our employees! To build a happier, more united and much more skilled crew! To reach a mutual benefit of our prospects, suppliers, the society and ourselves for Professional China Control Butterfly Valve - piston ring – DONGYI, The product will supply to all over the world, such as: Estonia , Tunisia , Honduras , Our company has already have pass the ISO standard and we are fully respect our customer 's patents and copyrights. If the customer provides their own designs, We will guarantee that they will be the only one can have that products. We hoping that with our good products can bring our customers a great fortune.
  • 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 Carey from Poland - 2017.09.16 13:44
    As a veteran of this industry, we can say that the company can be a leader in the industry, select them is right.
    5 Stars By Dinah from Philippines - 2017.11.01 17:04
    WhatsApp Online Chat !