Skinner, Morris M., authorTullis, J. Paul, authorHydro-Machinery Laboratory, Engineering Research Center, Colorado State University, publisher2019-09-172019-09-171967-02https://hdl.handle.net/10217/198067CER66-67MMS-JPT26.February 1967.Prepared for The Santa Clara County Flood Control and Water District, San Jose, California.technical reportsengCopyright and other restrictions may apply. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright.Ball valves -- TestingValves -- TestingResults of the testing of a twelve-inch ball valve and a twelve-inch butterfly valve with an abrupt enlargement sectionText