In three-port valves, or shuttle valves, internal ridges guide the ball between ports. Restrictive flow regulators work like an automatic variable orifice to control flow by throttling or restricting.

Robertshaw, a global leader in the design and manufacture of industrial control products and systems, and a recognized ...

Aligning the hole with the flow path lets fluid pass through; turning the ball 90° stops flow. A ball valve, with its quick shutoff and high-flow capacity, ... Flow-control valves ...

In addition to these two valves, a variety of other Ball Control Valves sizes from 6" to 40" also were delivered to manage water flow in the Riyadh distribution system. About CIRCOR Energy ...

1. Flow-to-open cutaway. Control valves equipped with noise-abatement trim, such as a drilled-hole cage or a tortuous path stack, are typically oriented in the flow-to-open direction.

Control valve installed flow and installed gain characteristics comparing a properly sized 3-inch valve and an oversized 6-inch valve in the same system. ... The calculated C V range appears to show a ...

In this method, attributed to F.C. Yu, the control valve in a pumped application is assigned a minimum pressure drop at maximum design flow rate and maximum 80% control valve open position ...