Modern locomotive engineering, with questions and answers .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & co · leaf 684
the brake valve is made to the unionfitting A and by means of the passage C pressure is freeto pass to the feed valve SA 26. Connection B leads to 654 AIR REDUCING VALVE 655 double check valve and brake cylinders. During the timethe tension of the spring against the diaiphragm isstronger than the… … Fig. 290. against the diaphragm is strong enough to overcome theresistance of the spring, the diaphragm will be movedupward, allowing the feed valve SA 26 to be closed bythe spring SA 28, shutting off communication from thesupply to the brake cylinders. The names of the parts of this valve are as…
Locomotives
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