Cyclopedia of mechanical engineering; a general reference work. Editor-in-chief Howard Monroe Raymond. Assisted by a corps of mechanical engineers, technical experts, and designers of the highest professional standing (1908)
American School (Chicago, Ill.), Raymond, Howard Monroe · Chicago American Technical Society · leaf 142
a small opening showndotted at D, and control this opening by a plug valve operated byhand from the outside, we can let a little steam leak by into portA, thus reducing tlie cushion and allowing full stroke. In order to avoid complicating the drawing, no cushion valvesare sliown or re(iuired to be… … The valve seat must be a scraped surface, while the chestface need not be; hence the latter is finished | inch lower. Thisalso gives a ledge against wliich the steam chest fits, thus securingpositive location. The bolting of the heads and the steam chest should allow a\vidth of packing inside of…
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
