переключающий клапан

1) Engineering: switching value

2) Construction: changeover valve

3) Railway term: cross valve, cross-over valve

4) Automobile industry: relay valve (включает фрикц. муфты и тормоза передач в АКПП)

5) Astronautics: change-over valve

6) Plastics: pilot valve

7) General subject: select valve, selector valve, valve selector

8) Chromatography: switching valve

9) oil&gas: transfer valve