2005/2006 I. Hydraulic and Pneumatic Systems1 Directional valves Classification schemes: 1.Spool valves or poppet valves 2.Switching or continuously adjustable.
Eng. R. L. NKUMBWA Copperebelt University School of Technology 2010.
Eng. R. L. NKUMBWA Copperebelt University School of Technology 2010
