FLUID CIRCULATION VALVE HAVING AXIAL RETURN SPRING

摘要

PROBLEM TO BE SOLVED: To ensure the operational reliability by axially fixing a rotary shaft.

SOLUTION: The valve 1 includes: a body 2 having a through-channel 3 for a fluid; a rotary control shaft 4 which is mounted on the passage 10 of the body and has a seal for the channel; bearings 6, 7 arranged in the passage between the body and the rotary control shaft; and a means for axially fixing the shaft in the body. The axial fixing of the shaft is achieved by at least one cylindrical ring 15 which is mounted on the rotary control shaft to be rotated together with the rotary control shaft 4 and has an external surface 20 that is oriented toward one of the bearings 6 and comes into contact with the transverse surface thereof.

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