. Railway mechanical engineer . During the last few years several designs of flat plate com-pressor valves have been brought out, none of which haveproved entire!)- satisfactory. The valves shown herewith, al-. Ttie Inlet Valv though of the flat plate type, differ considerabl\ from thosewhich have been previously presented, the principal featuie oftheir construction being the use of three separate plate ringsof uniform section, each of which is controlled by its own A CD Flat Plate Discharge Valve of Three Separate Concentric Rings Iiut one ounce per square inch is required to open the inter-m
. Railway mechanical engineer . During the last few years several designs of flat plate com-pressor valves have been brought out, none of which haveproved entire!)- satisfactory. The valves shown herewith, al-. Ttie Inlet Valv though of the flat plate type, differ considerabl\ from thosewhich have been previously presented, the principal featuie oftheir construction being the use of three separate plate ringsof uniform section, each of which is controlled by its own A CD Flat Plate Discharge Valve of Three Separate Concentric Rings Iiut one ounce per square inch is required to open the inter-mediate plate. The inner plate requires a pressure of two andone-half ounces per square inch to cause it to open. Theoperation of the valve will thus be readily understood. Atslow speeds only the outer plate will open, but as the speedincreases and the volume of air to be handled becomes greaterthe intermediate plate wall be opened, and finally for maximumperformance all three plates will be in operation simiiltane-ously. The valve plates are made of a special alloy steel, heattreated, straightened and ground true on one side only. The Simplate valves are the product of the Chicago Pneu-matic Tool Compan
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
