Selector valve with magnetometric sensor

摘要

A selector valve in which an end portion of the spool 11 extends outside from the valve hole 17. A magnet 22 is mounted to the end portion. A detecting block 15 is disposed between a casing 12 of the valve and an end block 14 so as to surround the magnet 22, and a magnetometric sensor 24 is mounted to the detecting block 15.