Show TO manufacture MERCO 1 PLUG VALVES AT OAKLAND CALIF the latest addition to the industrial district of oakland california is a factory to be operated by the merco valve company manufacturers and distributors of the well known merco plug valve which is being used in increasing quantities in many industries and especially in the gas oil cement and chemical fields the merco valve company was incorporated three years ago and is a subsidiary of the merril company of san francisco a concern that has been active and very well known in the metal mining field for many years the merco plug valve is the invention of sven johan a mechanical engineer who first developed this valve in mexico in 1916 the valve was used with marked success by a number of large mining companies in mexico and had been used as standard equipment on the metallurgical machinery of the merrill company having proven the value of the valve in its own work the company made an agreement with mr no rd in 1918 to develop and introduce the valve in the united states and the rest of the world the business was conducted by that company from that time until the end af pf f 1923 when it became so large that a separate company was organized and incorporated since the date of incorporation the company has been producing p valves on the atlantic seaboard seab pard and the need for a western factory has been felt for some time after looking over the field very carefully the company decided to place its western plant in oakland and has just leased through the mcelhinney company of oakland a modern new building at and peralta streets machinery for the new plant is now being ordered and it is expected that the plant will be ready to operate in the aa late te spring or early summer the merco plug valve valve has proven unusually successful in those industries in in which it has sought a field and its application in other industries is rapidly proceeding |