JM mechanically valves are manual and mechanicall controled. The advantages are: light operation force, good seal, and long working life. They are all 2/3 valves. The port size are G1/8"and G1/4".
The Mechanical valve normally controls the change of direction by the external mechanical force.When the external mechanical force disappears,the valve will automatically reset and change direction.Its knob type and push block type structure has memory function.The valve is normally used for control of signal output in pneumatic system,and it can also directly drive single-acting air cylinder.