4 1957 Guide AMERICAN-STANDARD, KEWANEE BOILER DIV., 101 Franklin St., Kewanee, 111....................................................................................368-369-370-371 AMERICAN-STANDARD (Plumbing & Heating Dlv.), New York 18, N.

Heating Ventilating Am Conditioning Guide 1958

T a b le 2.

314 CHAPTER 13 1958 Guide multiplied by the appropriate coefficient of X listed in Table 14.

.436 CHAPTER 16 . 1958 Guide SPACE HEATERS Space heaters may be classified in several ways, such as: 1.

522 CHAPTER 20 1958 Guide supply mains and radiators practically , at all times.

528 CHAPTER 20 1958 Guide tant that: (1) the total pressure drop does not exceed the initial gage pressure of the system, and in actual practice it should never exceed onehalf of the initial gage pressure; (2) the pressure drop is not so great as to cause excessive velocities; (3) there is a constant initial pressure, except on systems specially designed for varying initial pressures, such as the sub-atmospheric, which normally operate under controlled partial vacua and orifice and vapor systems, which at times operate under such partial vacua as may be obtained due to the condition of the fire; and (4) the rise in water due to pressure drop does not exceed the difference in level, for gravity return systems, between the lowest point on the steam main, the heating units, or the dry-return, and the boiler water fine.

596 S CHAPTER 22 Table 1.

638 CHAPTER 23 1958 Guide Table 7.

726 CHAPTER 28 1958 Guide Table 1.

736 CHAPTER 28 1958 Guide and Fig. 3 for high-pressure service.

796 CHAPTER 31 1958 Guide Table 1.

838 CHAPTER 32 1958 Guide Table 1.

858 CHAPTER 33 1958 Guide materials.

962 CHAPTER 37 1958 i Guide steam is normally used for heating the liquid absorbent.