All rights reserved.įoreword This handbook on control valve sizing is based on the use of nomenclature and sizing equations from ANSI/ISA Standard S75.01.01 and IEC Standard 6. No warranty either expressed or implied is either given or intended. Particulars contained in this publication are for general information only and Masoneilan reserves the right to modify the contents without prior notice.

Multistage Valve Gas and Vapor Flow Equations. Combined Liquid Pressure Recovery Factor.