Water Waste and Water Cocks.

Water Waste and Water Cocks.

Concerning the movement for water waste prevention The Metal Worker says that one of the immediate developments was the selfclosing water-cocks. Continuing, this journal says:

“While accomplishing the one purpose, their popularity was somewhat checked through their quick action and the consequent production of a shock or water hammer effect as a result of the sudden stoppage of water flow. Compression cocks were called into existence to avoid the trouble. But the compression cock is left open with an indifferent negligence that sometimes seems nothing short of vicious, and thus selfclosing cocks have held a large place in the modern plumbing system. In fact, an increasing use of automatic or selfclosing cocks is reported, bringing with it the old accompaniment of noise This is particularly apparent in modern buildings of some height. The use of some fixtures on a remote floor sends its message of usefulness along the entire piping line with more or less distinctness and annoyance. Manufacturers are experimenting, and quick acting stop cocks can be had at the price commensurate with their cost of production, in which a noise absorbing cushion is an alleviating feature. At the same time, the architects and engineers who design systems and the plumbers who install them are studying the interesting problem. One suggestion is for the main water supply to be carried to the top of the building and then be distributed to the fixtures by means of “down risers.” This method, with an air chamber at the top for a cushion, is favored, but the element of cost is an important matter bearing on its popularity and general adoption. Certainly the experiences in connection with the use of quick acting cocks make a discussion of this matter one of interest, and these columns are open for the purpose.

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