St. Louis Pumping Engines Tested.

Issue 4 and Volume 45.

St. Louis Pumping Engines Tested. At St. Louis, pumping engines Nos. 1, 2, 3 have been installed and tested at Bissell’s Point pumping station. They are of the Allis-Chalmers type and have a capacity of 3,000,000 gal. each. They have replaced two 18,000,000-gal pumps of the bucket-and-plunger, single-cylinder, condensing, beam and flywheel type and one 20,000,000-gal. pump of the bucket-and-plunger, double, compound condensing, beam and flywheel type. These were erected in 1870 and 1874. and were supported by masonry piers on solid rock foundations, which were removed to make way for the new engines. These are of the vertical, triple-expansion type, with three single-acting, outside-packed plungers, each located directly under one of the cylinders. The bedplates rest on solid rock foundations, the main pillow-blocks and the cylinders are supported by columns of the A frame pattern. The cylinders are 34 in. 62 in. and 94 in. in diameter by 6…

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