Document 6bX2OjNE9rox200vk8mN95K6d

16 CHAPTER 2 1951 Guide 1 atmosphere 1 in. water at 62 F (in vacuo) 1 ft water at 62 F (in vacuo) 1 in. mercury at 62 F (in vacuo) lin. mercury at 32 F (in vacuo) 14.626 lb per square inch 2116 lb per square foot 83.64 ft water at 62 F 80.01 in. mercury at 62 F 29.921 in. mercury at 32 F {0.03609 lb per square inch 0.6774 oz per square inch 6.167 lb per square foot ( 0.4330 lb per square inch \ 62.37 lb per square foot (0.4897 lb per square inch 7.835 oz per square inch 1.131 ft water at 62 F 13.57 in. water at 62 F 0.49116 lb per square inch Metric Units 1 cm 1 in. 1m 1 ft 1 sq cm 1 sq in. 1 sq m 1 sq ft 1 cu cm 1 cu in. 1 cu m 1 cu ft 1 liter 1 metric ton 1 gram 1 kilometer per hour 1 gram per square centimeter 1 kg per sq cm (metric atmosphere) 1 gram per cubic centimeter 1 dyne 1 absolute joule 1 Int. joule 1 metric horsepower 1 I.T. kilocalorie per kilogram 1 I.T. calorie per square centimeter = 0.3937 in. = 0.0328 ft = 2.640 cm = 3.281 ft = 0.3048 m = 0.1660 sq in. = 6.452 sq cm = 10.76 sq ft => 0.09290 sq m = 0.06102 cu in. -- 16.39 cu cm = 35.31 cu ft = 0.02832 cu m = 1000 cu cm = 032642 gal = 2.205 lb (avdp) = 0.4636 kg -- 2205 lb (avdp) = 0.002205 lb (avdp) = 0.6214 mph / 0.02905 in. mercury at 62 F \ 0.3942 in. water at 62 F = 14.22 lb per square inch / 0.03613 lb per cubic inch \ 62.43 lb per cubic foot = 0.00007233 poundals _ / 10,000,000 ergs \ 0.7376 ft-lb = 0.7378 ft-lb / 75 kg-m per second \ 0.986 hp (U. S.). =1.8 Btu per pound = 3.687 Btu per square foot' 1 I.T. calorie per (second) (square cent!- f 2903 Btu per (hour) (square foot) meter) for a temperature gradient of 1C = 1 for a temperature gradient of i F deg per centimeter ( deg per inch of thickness. Abbreviations and Symbols 17 graphical symbols for drawings* Graphical Symbols for Drawings Heating 1. High Pressure Steam' 2. Medium Pressure Steam 3. Low Pressure Steam 4. High Pressure Return 5. Medium Pressure Return 6! Low Pressure Return 7. Boiler Blow Off ' 8. Condensate or Vacuum Pump Discharge 9! Feedwater Pump Discharge 10. Make Up Water 11. Air Relief Line 12. Fuel Oil Flow 13. Fuel Oil Return 14. Fuel Oil Tank Vent 15. Compressed Air 16. Hot Water Heating Supply 17. Hot Water Heating Return Piping Am Conditioning 18. Refrigerant Discharge 19. Refrigerant Suction 20. Condenser Water Flow 21. Condenser Water Return 7 22. Circulating Chilled or Hot Water Flow 23. Circulating Chilled or Hot Water Return 24! Make Up Water 25. Humidification Line 26.. Drain 27. Brine Supply 28. Brine Return ,, -------------- rd-------------- ------------- RS--------------c------- cr------ch---------------- --chr------------- -------------------------------H----------- D------8------BR-------------- Plumbing 29. Soil, Waste or Leader (Above Grade) 30; Soil, Waste or Leader (Below Grade) 31. Vent 32. Cold Water 33. Hot Water 34. Hot Water Return 35. Fire Line 36. Gas 37. Acid Waste 38. Drinking Water Flow 39. Drinking Water Return . 40. Vacuum Cleaning 41. Compressed Air ACP A* Sprinklers 42. Main Supplies 43. Branch and Head 44. Drain ZU2S2 2AaZiQ3242o4i IWr?4m TMAlo?re,hn(*S"^S^t?n`rtdr-TM GraphicSaKl S?ymo1bsoJlsfffoHrePaitpineF' vittSingtisll,tVinalJveSa,danAdir PCipoinndgitio(AnS!. 29 WffltSt. N YMkl8iNhl^TMSS"'1 ^ "" pu"lBhar- The American Sccidyo/ Mxhmicai Engirue X