For engineers involved with fluid flow processes, here is a basic guide showing the engineering criteria for selecting valves. The book discusses engineering fundamentals related to valves and deals with the factors on which selection should be made. (Plant Engineering)...this book is mandatory reading for anyone who uses valves in an engineering capacity. A copy ought to be handy for users and even sales people. -Chemical Engineering Magazine...the book chapters look at each type of valve in detail. Photos accompanyall of the text.-Chemical Engineering MagazineThe author provides excellent coverage of the various devices and the mathematics, which are required to properly size the complete system.-Chemical Engineering Magazine