Valves and cock section
A ball valve is a form of quarter-turn valve which uses a hollow, perforated and pivoting ball to control flow through it. It is open when the ball’s hole is in line with the flow and closed when it is pivoted 90-degrees by the valve handle. The handle lies flat in alignment with the flow when open, and is perpendicular to it when closed, making for easy visual confirmation of the valve’s status.
Pneumatics is a branch of engineering that makes use of gas or pressurized air.
Pneumatic systems used in industry are commonly powered by compressed air or compressed inert gases. A centrally located and electrically powered, compressor power cylinder, Air motors and other pneumatic devices, A Pneumatic system controlled through manual or automatic solenoid valve is selected when it provides slower cost, more flexible, or safer alternative to electric in dentistry, construction, mining, and other areas