Plumbers' HandbookMcGraw-Hill book Company, Incorporated, 1922 - 629 σελίδες |
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Σελίδα 2
... size or bulk of any body is found to increase continuously with its hotness . Thus the metal rails of a railroad track are not laid with their ends in contact , but with a short space between to allow for expansion in summer ( see ...
... size or bulk of any body is found to increase continuously with its hotness . Thus the metal rails of a railroad track are not laid with their ends in contact , but with a short space between to allow for expansion in summer ( see ...
Σελίδα 22
... sizes . The resistance shown in this table is expressed in feet of water , which is sometimes called equivalent head . Pump Duty . A great many ways have been devised for expressing the duty of a pump , such as cubic feet , gallons ...
... sizes . The resistance shown in this table is expressed in feet of water , which is sometimes called equivalent head . Pump Duty . A great many ways have been devised for expressing the duty of a pump , such as cubic feet , gallons ...
Σελίδα 26
... sizes and find extensive use in city waterworks , and for elevator service . Pumps of the plunger type are frequently electric - driven . Figure 19 shows a section of a pump of this type which is made up in three cylinders and is called ...
... sizes and find extensive use in city waterworks , and for elevator service . Pumps of the plunger type are frequently electric - driven . Figure 19 shows a section of a pump of this type which is made up in three cylinders and is called ...
Σελίδα 27
... sizes and mostly for small circulating work . In Fig . 22 is shown the volute pump which gains greater efficiency than the pump shown in Fig . 21 by virtue of the volute or spiral casing , as shown . This volute pump may under some ...
... sizes and mostly for small circulating work . In Fig . 22 is shown the volute pump which gains greater efficiency than the pump shown in Fig . 21 by virtue of the volute or spiral casing , as shown . This volute pump may under some ...
Σελίδα 28
... sizes , operated by specially designed engines , for handling large quantities of sewage . When used as a sump pump and electrically driven , the installation may be made entirely automatic . The starting and stopping of the motor is ...
... sizes , operated by specially designed engines , for handling large quantities of sewage . When used as a sump pump and electrically driven , the installation may be made entirely automatic . The starting and stopping of the motor is ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
acetylene acid allowed alloy amount angle bend board or bureau boiler brass building calcium sulfate carbon cast iron CAST-IRON DRAINAGE FITTINGS cent chaser chimney coating cock column connection copper corrosion cubic cubic foot diameter Dimension discharge dissolved elbow enter eutectic fixtures flame flange floor flush foot furnace gage gallons galvanized gases heat heater house drain hydrogen inlet installed joints lead lead crystals less manganese material melting metal molten nitric acid outlet oxide oxygen pattern phosphorus placed plumbing pounds pressure pump radiator roof seam sewer shown in Fig side slag solder solution space square inch steam steel sulfur sulfuric acid supply surface TABLE tank temperature thread pipe threads toilet rooms trap tube urinal valve vent wall waste pipe water closets Weight of bundle Weight of sheet welding wrought iron zinc
Δημοφιλή αποσπάσματα
Σελίδα 522 - Measures of Length. 10 millimeters (mm.) 1 centimeter (cm.) 10 centimeters 1 decimeter (dm.) 10 decimeters 1 meter (m.) 10 meters 1 dekameter (Dm.) 10 dekameters 1 hectometer (Hm.) 10 hectometers 1 kilometer (Km.) 10 kilometers 1 myriameter (Mm.) 1181.
Σελίδα 605 - All connections of lead with iron pipes must be made with a brass sleeve or ferrule of the same size as the lead pipe, put in the hub of the branch of the iron pipe, and caulked with lead. The lead pipe must be attached to the ferrule by a wiped or overcast joint.
Σελίδα 179 - ... larger than those shown in the table are measured by the outside diameter and will be furnished with plain ends unless otherwise specified; for such sizes it will be necessary to accept Manufacturers' weights or calculate the weights on the basis of one cubic inch of steel weighing 0.2833 Ib.
Σελίδα 503 - The logarithm of any power of a number is equal to the logarithm of the number multiplied by the exponent of the power.
Σελίδα 599 - Drains. id. ; 8. The main drainage system of every house or building shall be separately and independently connected with the street sewer, where such sewer exists, except where two houses are built together on a lot with a frontage of thirty feet or less., when one connection with main sewer will be allowed ; but there shall be a separate house drain for each house, connected by a "Y...
Σελίδα 536 - In multiple dwellings the walls of all courts, unless built of a light color brick or stone, shall be thoroughly whitewashed by the owner or shall be painted a light color by him, and shall be so maintained. Such whitewash or paint shall be renewed whenever necessary, as may be required by the health officer.
Σελίδα 607 - The branches on vertical lines must be made by "Y" fittings, and be carried to the safe with as much pitch as possible.
Σελίδα 609 - Vent lines shall be connected at the bottom with a soil or waste pipe or with the drain, in such a manner as to prevent accumulation of rust scale and properly to drip the water of condensation.
Σελίδα 536 - ... yards, areaways, vacant rooms and spaces, and all parts and places used in common in a clean, sanitary and safe condition, and shall keep such parts thereof as may reasonably be required by the commissioner of labor properly lighted at all hours or times when said building is in use for factory purposes.
Σελίδα 605 - All sewer, soil and waste pipes must be as direct as possible. Changes in direction must be made with "Y" or half "Y" branches, or one-eighth bends. Offsets in soil or waste pipes will not be permitted when they can be avoided ; nor, in any case, unless suitable provision is made to prevent accumulation of rust or other obstruction. Offsets shall be made with forty-five degree bends, or similar fittings. The use of T-"Y's" (sanitary T's) will be permitted on upright lines only.