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Applications for a Pneumatic Control Valve2
- Aug 21, 2018 -

The most common type of control valve is either a sliding-stem globe valve or an angle valve. Other general valve design types include ball, fixed cone, butterfly, gate, check, needle, plug, and spherical. Each type of valve is designed for a particular application, and these valves are rarely interchangeable. Also, each type of valve can be custom assembled to meet the particular process for which the valve is intended to be used.

 

A pneumatic control valve can fill the need in almost any part of a company‚Äôs process control loop. The size, style, and construction of these valves include cage-style valve bodies, disk-stack style valve bodies, angle seat piston valves, single-port valve bodies, balanced-plug cage-style valve bodies, high capacity, cage-guided valve bodies, port-guided single-port valve bodies, double-ported valve bodies, three-way valve bodies, diaphragm valves, rotary valves with butterfly valve bodies, v-notch ball control valve bodies, eccentric-disk control valve bodies, eccentric-plug control valve bodies, sliding cylinder valves with directional control, spool, piston valves, air operated valves, relay valves, or pinch valves.

 

The regulation of flow must be maintained at a sufficiently linear pace to stay within the specified operating parameters of a process control system. A pneumatic control valve is integral to regulating the control loop, and it directly influences profitability with its performance. Improperly selected valves will prove to be detrimental to the performance of the control loop and safety system.