Spool valves manually operated G 1/2
VALV 5/3 CA SIDE KNOB - MECHANICAL SPRING
https://www.tecnologiaoleodinamica.com/img/cms/Catalog Series EK.pdf
VALV 5/3 CA SIDE KNOB - MECHANICAL SPRING
https://www.tecnologiaoleodinamica.com/img/cms/Catalog Series EK.pdf