Lead Lined Water Pipe.
THE attention of water works men is called to the lead-lined iron water pipe and fittings manufactured by the New England Water Pipe Co., of Wakefield, Mass., which is now being used as a substitute for plain lead pipe for services, and for which it is claimed that it is much cheaper than lead pipe. The difficulty, they claim, has been to make a comparatively low priced pipe, that will not chip if bent; that can be cut and threaded as desired, and that shall, when so cut and coupled together, have its ends and couplings entirely protected from the water.
In fitting a length of this pipe, they first cut the iron pipe in the ordinary manner, (see cut A) taking care not to cut the lead lining at the same time; then they take hold of each side of the cut and stretch the lining about half an inch, then cutting it (see Cut B), so as to leave room for turning the edge (see Cut C), over the end of the iron pipe.
It will be noticed that the thread cut on the iron pipe is cut down to the lead on the end of the pipe (see Cut D), so that when it is screwed into a fitting or a stop and waste, the thread on the stop and waste or other fitting screws in closely against the lead lining, so that no portion of the iron is exposed to the action of the water.
Their couplings, elbows, Ts and all fittings are lined with lead and have a part of the thread at each end of the fitting formed in the lead lining. Thus, when the fitting is screwed up, the end of the pipe projects several turns into the lead thread of the fitting, and the lead lining of the pipe (which is turned over the iron at the end of the pipe) is packed closely against the lead lining of the fitting, makCUT c. ing a water-tight lead joint. By this
method every particle of iron in the pipe, couplings, or any of the fittings is entirely protected from any possible contact with water. Lead-lined iron pipecombines the rustless cjualities of the lead with the strength of the iron.
This pipe is now used by water works in some forty cities and towns in New England.
Extract from the annual report of the Water Commissioners of the City of Pawtucket, R. 1., for the year 1893 :
“We are now using for all services what is known as the New England Water Pipe Co.’s lead-lined iron pipe. We have had an experience with it for the past two years, and believe it to be safe and responsible. It practically makes a lead sendee, and at one-half the cost of lead pipe, which, under our pressure, causes expansion and leakage.”