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Stop Valve, , ¢ The function of the stop valve is to regulate or completely shut off the, amount of steam passing through the steam pipe. It is opera y hand. It, may be placed directly on a boiler or near the engine., , ¢ Figure on the next slide shows the orthographic rjectio, The particulars of the parts are wong a rding, , Gos the stop valve., o SP:46, 1988., , * Two views of a small gun metal stop Ivear shown in the next slide., , ¢ The cover with the suing bone eA in the body. The gland is pressed, by a nut screwed on NS and-wheel is attached to the spindle by, a feather key. A a> BSE to stop the flow of liquid in a pipe., , we

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22. | Screw (seat) C-30 2, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , 21. | Pin (valve) C-30 1, 20. | Cotter C-30 I, 19. | Key (handle) C-30 1, 18. | Key (hand-wheel)} C-30 1, 17.| Plug G.M. | 1, 16. } T-bolt and nut G.M., 15.| Bolt and nut C-30 | 6, (cover), - | Handle Gl. z, -| Top spindle with | C-30 1, nut, . | Pillar with nut C-30 2, - | Bridge C-30 | 1, - | Hand-wheel CUZ i, . | Bush G.M. 1, - | Screw spindle G.M. if, - | Gland ring G.M. 1, . | Gland Cea, . | Spindle (valve) G.M. I, - | Seat G.M. 1 - | Valve Ca, 1, . | Cover Vom 1, - | Body Ci; I a, Name of part _ | Material ee a j Y 4, PARTICULARS OF PARTS ZZ Lz, (Fic. 11-8 AND Fic. 11-9) Stop valve (assembly), , TABLE 11-3 FIG. 11-8

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Hand wheel, , , , , , , , , , , , Nut Yoke, 2 Gland, Stud Zz 7, Spindle, Bod, Valve, oe = Steam out, Tt, ty Valve seat, Steam in Flange, , on\