High Quality Mud Pump And Parts Manufacturer 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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Our commission is always to provide our customers and clientele with best quality and aggressive portable digital products for Pvc Foot Valve , Trunnion Ball Valve , Pn16 Blowdown Valve , Our products are widely used in many industrial fields. Our Company Services Division in good faith for the purpose of the quality of survival. All for customer service.
High Quality Mud Pump And Parts Manufacturer 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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High Quality Mud Pump And Parts Manufacturer In China -
 piston ring – DONGYI detail pictures

High Quality Mud Pump And Parts Manufacturer In China -
 piston ring – DONGYI detail pictures


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We depend on sturdy technical force and continually create sophisticated technologies to meet the demand of High Quality Mud Pump And Parts Manufacturer In China - piston ring – DONGYI, The product will supply to all over the world, such as: UK , Oman , Berlin , Our products are mainly exported to Europe, Africa, America, the Middle East and Southeast Asia and other countries and regions. We have enjoyed a great reputation among our customers for quality products and good services.We would make friends with businessmen from at home and abroad, following the purpose of "Quality First, Reputation First, the Best Services."
  • Customer service staff and sales man are very patience and they all good at English, product's arrival is also very timely, a good supplier.
    5 Stars By jari dedenroth from Ghana - 2018.12.22 12:52
    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 Melbourne - 2017.12.31 14:53
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