Valve collets, also known as valve keepers, connect the valve spring retainer to the valve in order to ensure that the valve spring always maintains the valve in the desired position.
Valve keepers, or collets, are produced by cold pressing profiled steel strip. The profile of the steel strip is chosen depending on the number of grooves machined into the mating valve tip. Mating surface of the two halves are ground and case hardened.
AutoGRACE� brand collets are sourced from the best manufacturers of valve collets / valve keepers in India under strict quality control of Garima Global.
Garima Global supplies components for a wide variety of on-road, off-road, industrial and stationary applications such as: automotive (light duty) and light commercial, trucks (heavy duty), tractors (agricultural), earthmoving and construction machinery, generators, irrigation pumps, and defence / special purpose vehicles.
The brands for which we manufacture and export aftermarket products are Caterpillar, Chevrolet, Chrysler, Citroen, Cummins, Daewoo, DAF, Daihatsu, Detroit Diesel, Deutz, Fiat, Ford, Hino, Honda, Hyundai, International, Isuzu, Iveco, John Deere, Kamaz, Kia, Komatsu, Kubota, Land Rover, Leyland, Lister Petter, Lombardini, Mack, Mahindra, MAN, Massey Ferguson, Mazda, Mercedes Benz, Mitsubishi, Navistar, Nissan, Onan, Perkins, Peugeot, Renault, Scania, Suzuki, Tata, Tatra, Toyota, Ursus, UTB, Volvo, Yanmar and Zetor, amongst others.
Garima Global also export parts for air-brake compressors like Wabco, Bendix, Knorr, Cummins, Clayton Dewandre, Mercedes, Midland etc.
Garima Global has developed an extensive range of components for engine, braking, transmission, suspension, steering, chassis, electrical, lighting and other automotive sub-systems. To assist our customers with choosing the right product for their requirements we have published comprehensive catalogs with engine / vehicle models, interchange with references of OEMs and other popular aftermarket brands, fitment dimensions and other technical data. We strongly encourage you to contact us with your specific requirements so that we can email you the relevant catalogs, and we look forward to starting a mutually beneficial business relationship with you soon!
The two halves of the keeper have a clearance gap between them after installation which causes the valve stem to be in close contact with the keepers and cause friction. This locks the valve in place, preventing rotation.
The two halves of the valve keeper rest against each other and allow for clearance between the valve stem and the keepers, thus allowing the valve to rotate. This promotes uniform wear of the valve seating surface.
SAE 1010 is the most popular material used to manufacture valve collets.
CHEMICAL COMPOSITION
| ELEMENT | SAE 1010 AISI 1010 C10 CK10 UNS G10100 |
|---|---|
| Carbon (%) | 0.08-0.13 |
| Manganese (%) | 0.30-0.60 |
| Phosphorus (%) | 0.04 MAX |
| Sulphur (%) | 0.05 MAX |
| Iron (%) | BAL |
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