... -CLOSE This brass made 3 way valve has 3 positions to select different control loop, normally it marks AUTO-OPEN-CLOSE ... other 3 outlets are 1/8" female to connect command tubes. When the switch arrow points to different outlets, the flow will pass ... is 10 bar.Basically, this valve is for hydraulic valve to select functions like pressure reducing, electric, floating, etc. 3 way ...