Illinois Malleable Iron Co. · Illinois Malleable Iron Co. · leaf 161
um heating systems; also for atmospheric, or very low pressure heating systems where the maintained low pressures do not exceed 5 pounds. When higher reduced pressure than this is to be maintained, the No. 0, or when used in connection with exhaust heating, the No. 1 regulator, should be used. Size… … Fig. 4249A In ordering it is essential that we know the initial and the reduced pressures.Sizes 11^ inches and under have bronze bodies, and are made with screwed endsonly. Sizes 2 to 6 inches, made with screwed or flanged ends, but screwed will beshipped unless otherwise ordered. Sizes 7 inches…
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