Scully blue book: catalogue of iron, steel, machinery, heavy hardware, tools and supplies, with valuable and accurate reference tables (1910)
Scully Steel & Iron Co. · Scully Steel & Iron Co. · leaf 108
TWO-PRESSURE OPERATING HYDRAULIC VALVE. Note that all functions are controlled by one operating lever, not possible in anyother type of valve, illustration shows the two-pressure type. Made with screwed and flanged ends; standard sizes ^, %, ^, %, % and 1 inch. The above sizes are of the… … FOUR-WAY HYDRAULIC VALVE. The valve consists of body A, straight plug B and bushing C. Plug B fits into bodyA and bushing C is ground to fit plug B. To insure contact of B and C, when not underpressure, a spring is provided. Under pressure, the valve bccon^es pressure-packed. Bronze body, hardened…
