1)Valves are controlled by manpower. 5/2,3/2,5/3 way valves are nomally designed from 1/8" to 1/2".

2)Hand-draw valves are normally installed near the operator.

3)Hand-pull valves are normally installed in the position little far from the operator

4)Hand-push valves are installed directly on the pipeline.

Alloy 4H Series Hand-pull Valve