Gate valves control water flow with a brass wedge. Ball valves use a stainless steel ball to control water flow. There are three basic valve styles, making this a classic case of good, better and best ...

This chapter serves to review the basic types and principle of operation of process control valves and their associated actuator and positioner systems. As a result of studying this chapter, the ...

Weir-type diaphragm valves are better at throttling than straight though diaphragm valves because the design's large shutoff area along the seat gives it the characteristics of a quick-opening valve.

Shut-off valves are widely used in the different sectors like water treatment sectors, manufacturing industries where ...

Based on the control valve C method, published data suggests that a much bigger FBBV is needed to match the desired capacity of an isolation-type valve. In reality, the two valve types should be the ...

The standard also provides a guide to assist the user in specifying electric valve actuators. ISA96.03 – The basic requirements for pneumatic valve actuators of the single- and double-acting types ...