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DY Piston Rings

DYDLC Piston Ring

Dongya Piston Ring

ABOUT DONGYAABOUT DONGYA

WE HAVE 30+ YEARS
OF EXPERIENCE IN THIS FIELD

In 2002, Fujian Dongya Machinery Co., Ltd. was the first piston ring manufacturer in China to pass the ISO/TS16949 quality management system certification, in 2018, it passed the IATF16949 quality management system certification, in 2015, it passed the ISO14001 environmental management system certification.

In 2018, it passed the ISO45001 Occupational Health and Safety Management system certification.

Participation in 80% of the new product development and improvement of mainstream OEM factories.

Fully equipped R&D laboratory

Development of specialized materials for piston rings

DLC, PVD, DTC, PCR, and Nitride coatings

PRODUCTS CENTERPRODUCTS CENTER

CUSTOMIZATION
AND PROCESS CUSTOMIZATION AND PROCESS

Cylinder diameter: 16.5mm-150mm

Coatings: DLC, DTC, PVD, PCR, Nitriding

Material: Steel and cast iron

01

Engine parameters determination and design

02

Scheme design

03

Delivery plan development

04

Drawing design

05

Prototype production and bench testing

06

Mass production & delivery

R&D CAPABILITIES

Participation in 80% of the new product development and improvement of mainstream OEM factories.
R&D laboratories equipped with comprehensive testing devices. AVL-Excite PR, specialized CAE simulation design.
Over 50 patents, contribution on national and industry technical standard revisions
Established coatings including DLC, PVD, DTC, PCR, and Nitriding.
Participation in 80% of the new product development and improvement of mainstream OEM factories.
R&D laboratories equipped with comprehensive testing devices. AVL-Excite PR, specialized CAE simulation design.
Over 50 patents, contribution on national and industry technical standard revisions
Established coatings including DLC, PVD, DTC, PCR, and Nitriding.

NEWS CENTERNEWS CENTER

Types of Piston Rings and Piston Ring Maintenance

Oct. 29, 2024 Types of Piston Rings and Piston Ring Maintenance

Piston rings are manufactured and classified based on their function and usability. Their primary purpose is to seal the chamber in which the piston moves, such as the combustion chamber of a 2-stroke or 4-stroke engine. In marine engines, three or more types of rings are typically fitted around the piston's circumference.

How to Replace Piston Rings of an Air Compressor

Oct. 21, 2024 How to Replace Piston Rings of an Air Compressor

There are generally two types of piston rings used in air compressors: compression rings and oil rings. Compression rings help seal the air within the chamber, while oil rings control lubrication on the cylinder wall.

Engine Piston Rings Explained

Sep. 29, 2024 Engine Piston Rings Explained

Piston rings are essential components that separate the combustion chamber from the crankcase. They also regulate the amount of lubrication oil between the cylinder liner and the piston.

Piston Rings: What Are They and How Do They Work?

Sep. 15, 2024 Piston Rings: What Are They and How Do They Work?

A piston ring is a ring-shaped metallic component that attaches to the circumference of a piston, which is found in combustion engines. There are different types of piston rings, each serving slightly different purposes.

Types and Functions of Piston Rings

Aug. 29, 2024 Types and Functions of Piston Rings

In large 2-stroke engines, compression-type piston rings are used to seal the combustion chamber. Wiper rings are installed below them to remove deposits from the liner and distribute oil evenly on the liner surface.

5 Piston Ring Failure Symptoms You Must Never Ignore

Aug. 16, 2024 5 Piston Ring Failure Symptoms You Must Never Ignore

Bad piston rings will cause the color to change or deepen dramatically. When the piston ring fails or becomes too worn to form a seal, the exhaust turns to a thick, dark gray, or bluish color. You might also smell burning oil.

Replacing Piston Rings: 5 Signs It's Time for a Replacement

Jul. 25, 2024 Replacing Piston Rings: 5 Signs It's Time for a Replacement

It takes a lot of skill and know-how to replace the piston rings of a vehicle, meaning mechanics will charge high prices. Replacing piston rings also takes up a lot of time, with the procedure lasting up to 10 hours for a total replacement.

Piston Ring Materials Explained

Jul. 17, 2024 Piston Ring Materials Explained

Steel nitrided top rings are an excellent ring in terms of durabilty and strength. They are formed from forged steel for strength and ductility, and the nitriding process makes them extremely hard and detonation resistant.

Dy Pays Much Attention to Safe Production, Implementing Heatstroke Prevention and Cooling Measures

Jul. 16, 2024 Dy Pays Much Attention to Safe Production, Implementing Heatstroke Prevention and Cooling Measures

DY always tries best to create good work condition for all the staffs and workers, and has arranged heatstroke prevention and cooling work before summer heat hits. DY pays much attention to safe production all the way and actually implements many measures to comply with the safety principle.

The Basics of Car Fuel Systems and Their Functions

Jun. 29, 2024 The Basics of Car Fuel Systems and Their Functions

Behind every smoothly running vehicle is a well-designed car fuel system that ensures efficient fuel delivery to the engine. Understanding the components and functions of your car's fuel system can help you appreciate its importance and identify potential issues.

Powered by strong technical development and continuous innovation ability, DY PISTON RING ranks among the leading brands.

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