SMC Knob Manual Control Pneumatic Manual Control Valve VHK-A Series, R 1/4, R 1/4in, III B

The SMC VHK series finger valve has a large effective area of 2.0 to 17.5mm². This series begins with a minimum tube O.D of ø4. The valve direction clearly indicates whether the valve is open or closed. Classification of knob by colour difference facilitates distinction between 2 port valves (grey) and 3 port valves (blue).

Reduced operating force
Poppet valve construction seldom suffers seal defection
Fluid is air