Properly selected and maintained control valves increase efficiency, safety, profitability, and ecology. The Control Valve Handbook has been a primary reference since its first printing in 1965. This fifth …

A pressure and temperature relief valve is required by almost all plumbing codes for water heaters, and it is also important to install a pressure relief valve for water system tanks.

Valve performance is closely tied to how well it is installed, operated and maintained. This chapter outlines best practices for valve installation, start-up procedures, routine maintenance, …

The valve achieves an equal percentage flow characteristic resulting in linear heat transfer for optimal control. Unlike a disc that sits outside of the ball, the characterized insert is integral to the ball, …

ve been developed. A basic understanding of the differences between the various types of valves, and how these differences affect valve function, will help ensure the proper application of each valve type …

ON VALVE SYMBOLS AND COMBINATIONS Combining control valve symbols with actuators symbo. s can yield a variety of results. Below are some final control elements with actuators and a variety o.

Chapter 1 offers an introduction to control valves, including definitions for common control valve and instrumentation terminology. Chapter 2 develops the vital topic of control valve performance. Chapter …