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CHAPTER 1 - STEAM4. CONDENSATE RETURN RISERS (Vertical, Horizontal Pitch)Capacity based on Sq. Ft. E.D.R. (2 oz. PD per 100")Pipe Size (inches)3/411-1/41-1/2Dry Return1704108901,350ONE PIPE STEAM1. STEAM MAINPipe Size (inches)22-1/2346Capacity based on Sq. Ft. E.D.R. (2 oz. PD per 100")T.E.L.100"3505801,0502,2106,880T.E.L.200"2353857001,4804,480NOTES: Mains must be pitched for steam & condensate to flow in same direction.If steam and condensate counterflows, increase piping one size.2. STEAM RISER.Capacity in Sq. Ft. (E.D.R.)(Up-feed Riser - HorizontalTravel8' Max. - Riser not Dripped)Pipe Size(inches)Sq. Ft.E.D.R.NOTES:(A) Horizontal travel beyond 10' increase one size(B) Horizontal travel sloped down and dripped decrease one size18
CHAPTER 1 - STEAM3. DRY RETURN - Capacity in Sq. Ft. (E.D.R.)Pipe Size(inches)1-1/41-1/22Sq. Ft.E.D.R.6401,0002,1804. WET RETURN - Capacity in Sq. Ft. (E.D.R.)Pipe Size(inches)1-1/41-1/22Sq. Ft.E.D.R.1,1001,7003,600NUMBER OF SMALLER PIPES EQUIVALENT TO ONE LARGER PIPEPIPEPIPE SIZE (in inches)SIZE 1/2 3/4 1 1-1/4 1-1/2 2 2-1/2 3 3-1/2 4 5 61/2 1 2.27 4.88 10 15.8 31.7 52.9 96.9 140 205 377 6203/4 1 2.05 4.3 6.97 14 23.2 42.5 65 90 166 2731 1 2.25 3.45 6.82 11.4 20.9 30 44 81 1331-1/4 1 1.5 3.1 5.25 9.1 12 19 37 681-1/2 1 2 3.34 6.13 9 13 23 392 1 1.67 3.06 4.5 6.5 11.9 19.62-1/2 1 1.82 2.7 3.87 7.12 11.73 1 1.5 2.12 3.89 6.393-1/2 1 1.25 2.5 4.254 1 1.84 3.025 1 1.656 1STEAM VELOCITIES IN STEAM PIPINGTo obtain steam velocity in feet per second, multiply load by proper factor shown below.InitalPressureof Dry SteamSq. Ft.EDRFactor5 PSIGaugePIPE SIZE (inches)1 1-1/4 1-1/2 2 2-1/2 3 4 5 6 8 10 12.1000 .0610 .0425 .0276 .0160 .0101 .0071 .0041 .0026 .001822 PSI.2750 .1580 .1170 .0700 .0490 .0320 .0186 .0118 .0082 .0047 .0030 .0021Gauge0 PSI.3094 .1778 .1316 .0788 .0551 .0360 .0209 .0133 .0093 .0054 .0034 .0024Gauge19
Page 6: INTRODUCTIONSizing for Tankless Hea
Page 11 and 12: INTRODUCTIONEven newer chimneys wit
Page 13 and 14: INTRODUCTION"Pumping Away"...but fr
Page 15 and 16: INTRODUCTIONvia outdoor reset techn
Page 17: CHAPTER 1 - STEAMONE AND TWO PIPE S
Page 21 and 22: 21PROPERTIES OF SATURATED STEAMCHAP
Page 25: CHAPTER 1 - STEAMSTEAM CONVERSION F
Page 29 and 30: CHAPTER 1 - STEAMMultiple Boilers29
Page 31 and 32: CHAPTER 1 - STEAMB. Boiler Feed Pum
Page 33 and 34: CHAPTER 1 - STEAMSizing of Vacuum P
Page 35 and 36: CHAPTER 1 - STEAMGUIDELINESCONVERTI
Page 37 and 38: CHAPTER 1 - STEAMPipeSize1/2"3/4"1"
Page 39 and 40: CHAPTER 2 - HOT WATER PIPING - RESI
Page 41: CHAPTER 2 - HOT WATER PIPING - RESI
Page 52 and 53: CHAPTER 3 - PIPING DIAGRAMSPiping &
Page 54 and 55: CHAPTER 3 - PIPING DIAGRAMSPiping:
Page 62 and 63: CHAPTER 3 - PIPING DIAGRAMSRECOMMEN
Page 64 and 65: CHAPTER 4 - DOMESTIC HOT WATERB. CO
Page 66 and 67: CHAPTER 5INSTALLED RADIATION: DETER
Page 68 and 69:
CHAPTER 5INSTALLED RADIATION: DETER
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70SIZING: CONVECTORS - COPPERFRONT
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CHAPTER 5INSTALLED RADIATION: DETER
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CHAPTER 6 - WATER CONTENTA. RADIATI
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CHAPTER 7 - HEAT LOSS CALCULATIONSH
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CHAPTER 8 - VALVES: TYPES AND APPLI
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CHAPTER 9 - VENTING FLUE PRODUCTSC.
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CHAPTER 10 - MISCELLANEOUSElectric
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CHAPTER 10 - MISCELLANEOUSSecondfor
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CHAPTER 10 - MISCELLANEOUSACIDITY A
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CHAPTER 10 - MISCELLANEOUSCAPACITY
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CHAPTER 10 - MISCELLANEOUSCONVERSIO
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CHAPTER 10 - MISCELLANEOUS∆(delta
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CHAPTER 11 - PRODUCT REVIEWGAS BOIL
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CHAPTER 11 - PRODUCT REVIEWSeries 2
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CHAPTER 11 - PRODUCT REVIEWOIL BOIL
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CHAPTER 11 - PRODUCT REVIEWRSA Seri
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CHAPTER 12 - Wiring DiagramsWiring:
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NOTES
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