. The Street railway journal . perheaters are used, 100 degs. of superheatbeing obtained, and the boiler pressure used is 130 square inch. Adjoining the boiler house is the pump room, in whichare four steam-feed pumps, two by G. & J. Weir, of Glas-gow, and two by W. H. Bailey & Co., of Manchester,while a Tyler electric pump is also installed for use in caseof emergency. The Weir pumps are of that companyspatent direct-acting single type, 8 ins. diameter by io£ cylinder by 24 ins. stroke, each capable of delivering6100 gallons per hour at 12 double strokes per minute. 294 STRE
. The Street railway journal . perheaters are used, 100 degs. of superheatbeing obtained, and the boiler pressure used is 130 square inch. Adjoining the boiler house is the pump room, in whichare four steam-feed pumps, two by G. & J. Weir, of Glas-gow, and two by W. H. Bailey & Co., of Manchester,while a Tyler electric pump is also installed for use in caseof emergency. The Weir pumps are of that companyspatent direct-acting single type, 8 ins. diameter by io£ cylinder by 24 ins. stroke, each capable of delivering6100 gallons per hour at 12 double strokes per minute. 294 STREET RAILWAY JOURNAL. [Vol. XX. No. 10. Should occasion demand it, however, the pumps can easilybe run up to a much higher speed to make up any abnor-mal deficiency in the feed supply. The pumps are of cast-iron, fitted with gun-metal liners, gun-metal buckets withspecial ebonite packing rings, manganese bronze rods, andvalves of the Weir group type in gun-metal seats. The Baileys pumps have 8-in. steam cylinders, FIG. -GENERAL VIEW OF INTERIOR OF POWER STATION, HALIFAX pump cylinder by 7-in. stroke. The suction inlet is belowand the delivery can be taken from either side. The valves,seatings and glands are of gun metal. The water pistonsare packed with gun-metal rings and the steam pistonswith broad cast-iron rings. A Baileys compound duplexcirculating pump is also installed, having a capacity of60,000 gallons per hour. The steam piping is by Stewart& Menzies, of Glasgow; Lloyd & Lloyd, of Birmingham,and Babcock & Wilcox. The engine room, a general view of which is shown inFig. 2, is 210 ft. long by 57 ft. wide, and is light and airy,and well adapted for the purpose. Various types of en-gines are used, though all the electric machinery (with theexception of the Parsons turbo-generator) has been manu-factured by the Electric Construction Company. Nearestthe main entrance door, and well shown in the illustration,Fig. 1, are three sets of engines and direct-current gen-erat
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
