Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 125
418. HORIZONTAL SWING CHECKVALVE.—The disc is loose in the swingframe and may be reground tight by a socketwrench passed through the plug opening. … 419. GLOBE. VALVK a^ the body. r, the spindle nut d, the bonnet. e^ gland. g^ the spindle. f^ gland nut. b, the winged disc. h, wheel.
Mechanical movements
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