About Us

National Piston Rings India was established in 1990. The company manufactures high quality piston rings for all types of tractors, passenger vehicles, commercial vehicles, motorcycles, stationary engines, compressors and special applications.

The company has expertise in production of piston rings for high performance applications. At present we posses first class manufacturing environment and production equipment’s in India. We have all the latest machines and equipment’s in our plant.

Our Piston Rings are exported to countries all over the world. The rest of the production is being supplied to government departments and domestic aftermarket dealers all over India.

The engineering staff designs the piston rings for maximum efficiency over the life of the engine. All the piston rings are designed with latest techniques. Each piston ring is made from highest quality raw materials and machined to OEM standards. Statistical Process Control has been applied at all critical processes to control the quality. The company has a very progressive environment. All the members, from machine operators to top management personnel are involved in contributing to achievement of the quality objectives.

There are around 50 employees involved in design ,production and dispatch of piston rings .The strictest quality control measures are followed for all the parameters at all stages of production

Applications: Off-road vehicles, passenger vehicles, heavy and light commercial vehicles, motorcycles, stationary engines, compressors and special applications.
Diameter sizes: 30 – 180 mm
Materials: High grade cast-iron alloy / S.G. iron
Construction: Compression rings of shapes rectangular, keystone, taper periphery, bevelling, napier, etc. Oil control rings of shapes plain, bevelling, coil spring loaded, duaflex, 3 flex, etc.
Surface treatments: Chrome plating, phosphating, gas nitriding, etc.