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White Papers Home | Machinery, Tools & Supplies Sizing Pneumatic Cylinders and ISO Valves Publisher: Parker Hannifin Corp. View Company Profile View Machinery, Tools & Supplies Suppliers View Pumps, Valves & Accessories Suppliers Format: PDF Date: 2008-08-05 View all Parker Hannifin Corp. White Papers Overview: Methods for calculating capacity coefficients for sizing pneumatic cylinders and ISO valves are presented in this paper. Mathematical formulas for calculating the capacity coefficient are explained in detail, providing a list of nomenclature used in the formulas. A table of data containing the capacity coefficient values for two-position ISO valves is included, along with tabular data to chart flow requirements based on cylinder size and average rod speed. This document also provides a table listing the compression ratios as well as values for the constant A for a range of inlet pressures and pressure drops. TABLE OF CONTENTS 1. Sizing Pneumatic Cylinders and ISO Valves 1-3 2. Tables 2.1 Cv Values for Two-Position Valves 2 2.2 Valve Ratings 3 2.3 Basic Data 3 3. image 2

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