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Hydraulic & Mechanical Tappet
Hydraulic & Mechanical Tappet
Detailed introduction:

Based on structural and functional principles, tappets can be divided into two types: mechanical and hydraulic. Mechanical tappet offers precise control over valve lash by graded thickness from the tappet face to the valve tip contact pad. Hydraulic check valve and high precision assembly are used in hydraulic tappets to automatically erase any valve lash.

Hydraulic tappet is a key component in engine valve train so that its quality has a direct impact on vehicle service life and operation performance. Replacing mechanical tappet with hydraulic tappet in valve train is one of the ways to increase engine stability and cut dramatically valve train noise. The unique structure enables hydraulic tappet to adjust its length freely during operation, so as to compensate thermal expansion generated by valve at any time during the engine operations; it also eliminates valve lash at cold assembly of engine and the resulting noise. Likewise it will alleviate the wear on all valve train components.

 
PPM Solution

Our company has been pursuing higher power,lower consumption, less emission, and safer driving as a sustained goal for technology development. We focus on core products application on global vehicle platforms and have been highly regarded by customers and society.


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Valve Train
Fuel System
Emission System
Safety System
Steering System

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