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Anti-Corrosion Engineering Co. Water Treatment Apparatus agulite--just sufficient to coagulate the particles of rust, thus insuring clear water. In small supply systems designed to operate at low velocities, no further ap paratus is required to produce non-cor rosive water. In the case of large build ings in which sudden peak loads may occur, this, apparatus is used in conjunc tion with a filter. Anti-corrosion filters are especially designed for use on hot water and have, a very low internal re sistance. The apparatus is generally located, in the basement near the hot water heater. It is connected to the sewer lines so that the deactivating tank and the filter can be blown off and washed out as required. The Deoxidizing Deactivator can be used with steam, coal or gas as the source of heat. Modifications of this apparatus can be had to meet any condi tion. Specifications, capacities, dimensions, weights, etc., will be provided upon re quest. How To Estimate Hot Water For Buildings Allow per H. W. fixture per day--For apartments, 25 gallons for high class, 20 gallons for medium class,' and 15 gallons for tenements. For transient hotels, 60 to 80 gallons. For apartment hotels, 40 to 50 gallons. For institutions, 50 to 75 gallons. For offices with private basins in rooms, 15 to 20 gallons; and for offices without private basins in rooms, 40 to 50 gallons. Allow for maximum hour demand in percentage of daily consumption, TO per cent, for apartments, apartment hotels, institutions and offices, and 7 per cent, for transient hotels. Add for laundries one gallon per piece of laundry, and for kitchens one gallon per maximum hour per person served. Water Treatment Apparatus The Permutit Company 440 Fourth Ave. New York Apparatus for removing hardness from water and preventing the formation of scale in hot or cold water systems ` Soft Water for Every Purpose A Permutit Water Softener will give your clients a bountiful supply of spark ling soft water for any purpose, either personal or industrial, no matter how hard and unsatisfactory the available supply is. Size A Permutit Water Softener is a metal shell or tank, containing Permutit mater ial, that is connected into the house sup ply line. It is offered in two sizes and six styles, which give an unlimited range of capacities according to the hardness of the water and quantity to be softened. Largest size requires 3'rO" x 6'-6" floor space and 6'-G" head room. Smallest size 2'-0" x 5'-6" floor space and 6'-0" head room. This includes necessary room for operation. Regeneration Softeners may be located in the base ment or any other convenient spot, and can be connected into the water supply line by any plumber. They are usually placed directly in the main feed line with a simple by-pass arrangement of valves. Sewer Connection Permutit material is not consumed by Sewer connection is customarily in the the softening process, but is regenerated form of an open sump to avoid the back periodically and used for an indefinite ing up of sewer gases, but it is not neces length of time. When it has softened sarily confined to that form. its designated quantity of water, com Pressure mon cooking salt is run through the Per Standard designs are constructed to mutit bed. The salt restores the Per operate under pressures up to 100 lbs. mutit material to its original condition, per sq. inch. The normal pressure drop and after draining off the surplus, it is through the Softener does not exceed in exactly the same condition it was at 5 lbs. the beginning. The amount of atten Material and Workmanship tion required is but a few minutes a Softener shells are made of steel. All week, and anyone valves are of the Crane and Jenkins can learn to turn standard, and workmanship throughout the necessary valve is the highest quality. Our many refine correctly. ments in design and construction make Capacity a Permutit Softener a permanent and Softeners are dependable fixture that will outlast the customarily de plumbing system into which it is con signed with capaci nected. ties to operate a Information Required for Estimates week to ten days To properly estimate the size, capacity between regenera and cost of a Permutit Water Softener tions. Meters are for any household the following infor not included in mation is required: standard equipment 1. Number of people in house (in but are furnished cluding servants if any). on order, as most 2. Height of ceiling in basement or houses have meters. other location. Where no meters 3. Source of water supply, i.e., city, are used, the time well, river, lake, etc. for regeneration is If the water supply is that of any determined by a good sized city we have an analysis in soap test that is our files, otherwise we need a half-gallon simple and accu sample of the water, forwarded in glass rate. ' ' or earthenware. 349