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:
Related Product Guide:
Duct Cleaner Air Valve Options
What’s a 3/2 Compressed Air Valve?
We usually think and practice corresponding for the change of circumstance, and grow up. We aim at the achievement of a richer mind and body as well as the living for Professional China Control Butterfly Valve - piston ring – DONGYI, The product will supply to all over the world, such as: Nairobi , Kuwait , Sri Lanka , With the first-class solutions, excellent service, fast delivery and the best price, we've won highly praise foreign customers'. Our products have been exported to Africa, the Middle East, Southeast Asia and other regions.
By Kevin Ellyson from Oslo - 2017.07.07 13:00
The goods we received and the sample sales staff display to us have the same quality, it is really a creditable manufacturer.
By Judy from Czech Republic - 2017.09.30 16:36