A 3 port manually operated pneumatic valve with One-touch push in connection available in tube sizes from 4 mm to 12 mm. Suitable for use with Nylon, soft Nylon and polyurethane tube. The valves poppet construction style is reliable with seal failure rare. The direction of flow is clearly marked on the body giving clear indication of whether the valve is open or closed. Residual pressure at port 2 is discharged to atmosphere when valve is set at shut.