The wear of sealing face is one of the main reasons for the failure of engine valve and valve
seat pair. Changes in engine combustion load, running time, temperature, and other …

The valve seat insert is a component of the engine cylinder head, whose primary function is
to seal the combustion chamber and absorb the valve's heat, releasing it to the engine …

Develo** a technology that increases the service life of valve seats in CNG/LNG-powered
vehicles requires the appropriate selection of material and its application technology …

Within diesel engines, the valve-seat contact is one of the few non-lubricated contacts which
is subjected to significant degradation. This degradation is put in evidence by material …

The development of a technology that increases the service life of valve seats in CNG/LNG-
powered vehicles requires the appropriate selection of material and the technology of its …

Gate valve is an element that controls system streamline by opening and closing fluid flow,
fluctuating the amount of fluid flow and regulatory direction of fluid. The appellation of the …

A gate valve is a valve which opens by lifting a round or rectangular gate/wedge out of the
path of the fluid. The distinct feature of a gate valve is the sealing surfaces between the gate …