FIELD: machine engineering.
SUBSTANCE: valve device made of elastic material with a through hole for working fluid flow, pressed by the working fluid pressure to the sealing surface, with geometric characteristics and elastic properties of the material, providing preliminary contact pressure on the sealing surface. The valve arrangement is made in the form of a cylindrical sealing ring made of an elastic material of rectangular cross-section, whose ends are axially symmetrically connected along the lateral surface of the ring with circular cross-section through the ring bridges. A hole for the flow of liquid is made along the normal to the surface of the rectangular ring.
EFFECT: increasing the reliability of sealing the test object using the self-sealing effect, ensure installation with minimal time and reduce the cost of manufacturing a valve device.
2 cl, 5 dwg
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