The dosing pump double stage with sealing by spheres for application in machinery of dosage of colours for paints

摘要

"The dosing pump double stage with sealing by spheres for application in machinery of dosage of colours for paints.Utility model patent for a metering pump dye inks of a body 5 fitted to one end of a nozzle inlet 1.Obstructed by a sphere 2 which moves in the guide 3 allowing the entry of the liquid pump body 5 in the stage of suction or by blocking their return at the stage of expulsion.And provided at the other end of a nozzle exit 11.In turn, blocked by a ball 7 which moves within the guide 8 allowing the exit of the liquid pumped from the body 5 in the stage of expulsion or blocking their return in the stage of suction.Containing a tube 12 fixed transversely to the body 5, in which the gasket 15 and 16 are mounted in opposition to and driven by the shaft 18.That is external performance by means of the actuation ring 20.