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= 25' + 19' (7.6 m + 5.8 m) gas supply pipe. = 44' (13.4 m) Total Gas Liner GAS WATER HEATERS (400,000 BTU/HR. each) MAIN REGULATOR GAS TUMBLER DRYERS (75,000 BTU/HR. each) GAS METER 19' (5.8 m) 25' (7.6 m) PRESSURE REGULATOR Total BTU/HR = The sum of the BTU/HR. of all tumblers being fed by the main gas supply pipe. = 9 x 75,00019' (5.8 m) GAS SPACE HEATERS (70,000 BTU/HR. each) = 675,000 BTU/HR. T035IE3E Using the table in Figure 22, the main supply pipe diameter should be 2" (5.08 cm). Figure 21 M412616 43 GAS PIPE SIZE REQUIRED FOR 1,000 BTU NATURAL GAS — .64 SPECIFIC GRAVITY AT 6. ± ±±±±± 1. INCH WATER COLUMN PRESSURE (1.62 ± .37 kPa) EQUIVALENT LENGTH 25 FT. 50 FT. 75 FT. 100 FT. 125 FT. 150 FT. GAS (7.63 m) (15.25 m) (22.88 m) (30.50 m) (38.13 m) (45.75 m) APPLIANCES TOTAL BTU/HR. (Kcal/hr) BASED ON 0.3" WATER COLUMN (0.75 mBar) PRESSURE DROP FOR LENGTH GIVEN 100,000 (25,200) 120,000 (30,240) 140,000 (35,280) 160,000 (40,320) 180,000 (45,360) 200,000 (50,400) 300,000 (75,600) 400,000 (100,800) 500,000 (126,000) 600,000 (151,200) 700,000 (176,400) 800,000 (201,600) 900,000 (226,800) 1,000,000 (252,000) 1,100,000 (277,200) 1,200,000 (302,400) 1,300,000 (327,600) 1,400,000 (352,800) 1,500,000 (378,600) 1,600,000 (403,200) 1,700,000 (428,400) 1,800,000 (453,600) 1,900,000 (478,800) 2,000,000 (504,000) 2,200,000 (554,400) 2,400,000 (604,800) 2,600,000 (655,200) 2,800,000 (705,600) 3,000,000 (756,000) ..." (1.905cm) ..." (1.905cm) ..." (1.905cm) ..." (1.905cm) 1" (2.54cm) 1" (2.54cm) 1" (2.54cm) 1..." (3.18cm) 1..." (3.18cm) 1..." (3.81cm) 1..." (3.81cm) 1..." (3.81cm) 2" (5.08cm) 2" (5.08cm) 2" (5.08cm) 2" (5.08cm) 2" (5.08cm) 2" (5.08cm) 2" (5.08cm) 2" (5.08cm) 2" (5.08cm) 2...” (6.35cm) 2..." (6.35cm) 2..." (6.35cm) 2..." (6.35cm) 2..." (6.35cm) 2..." (6.35cm) 2..." (6.35cm) 2..." (6.35cm) ..." (1.905cm) 1" (2.54cm) 1" (2.54cm) 1" (2.54cm) 1" (2.54cm) 1" (2.54cm) 1..." (3.18cm) 1..." (3.18cm) 1..." (3.81cm) 1..." (3.81cm) 2" (5.08cm) 2" (5.08cm) 2" (5.08cm) 2" (5.08cm) 2" (5.08cm) 2" (5.08cm) 2..." (6.35cm) 2..." (6.35cm) 2..." (6.35cm) 2..." (6.35cm) 2..." (6.35cm) 2..." (6.35cm) 2..." (6.35cm) 2..." (6.35cm) 3" (7.62cm) 3" (7.62cm) 3" (7.62cm) 3" (7.62cm) 3" (7.62cm) 1" (2.54cm) 1" (2.54cm) 1" (2.54cm) 1" (2.54cm) 1" (2.54cm) 1..." (3.18cm) 1..." (3.18cm) 1..." (3.81cm) 1..." (3.81cm) 2" (5.08cm) 2" (5.08cm) 2" (5.08cm) 2" (5.08cm) 2" (5.08cm) 2..." (6.35cm) 2..." (6.35cm) 2..." (6.35cm) 2..." (6.35cm) 2..." (6.35cm) 2..." (6.35cm) 2..." (6.35cm) 3" (7.62cm) 3" (7.62cm) 3" (7.62cm) 3" (7.62cm) 3" (7.62cm) 3" (7.62cm) 3" (7.62cm) 3..." (8.89cm) 1" (2.54cm) 1" (2.54cm) 1" (2.54cm) 1..." (3.18cm) 1..." (3.18cm) 1..." (3.18cm) 1..." (3.81cm) 1..." (3.81cm) 2" (5.08cm) 2" (5.08cm) 2" (5.08cm) 2" (5.08cm) 2..." (6.35cm) 2..." (6.35cm) 2..." (6.35cm) 2..." (6.35cm) 2..." (6.35cm) 2..." (6.35cm) 2..." (6.35cm) 3" (7.62cm) 3" (7.62cm) 3" (7.62cm) 3" (7.62cm) 3" (7.62cm) 3" (7.62cm) 3" (7.62cm) 3..." (8.89cm) 3..." (8.89cm) 3..." (8.89cm) 1" (2.54cm) 1" (2.54cm) 1" (2.54cm) 1..." (3.18cm) 1..." (3.18cm) 1..." (3.18cm) 1..." (3.81cm) 1..." (3.81cm) 2" (5.08cm) 2" (5.08cm) 2" (5.08cm) 2..." (6.35cm) 2..." (6.35cm) 2..." (6.35cm) 2..." (6.35cm) 2..." (6.35cm) 2..." (6.35cm) 3" (7.62cm) 3" (7.62cm) 3" (7.62cm) 3" (7.62cm) 3" (7.62cm) 3" (7.62cm) 3" (7.62cm) 3..." (8.89cm) 3..." (8.89cm) 3..." (8.89cm) 3..." (8.89cm) 3..." (8.89cm) 1" (2.54cm) 1" (2.54cm) 1..." (3.18cm) 1..." (3.18cm) 1..." (3.18cm) 1..." (3.81cm) 1..." (3.81cm) 2" (5.08cm) 2" (5.08cm) 2" (5.08cm) 2..." (6.35cm) 2..." (6.35cm) 2..." (6.35cm) 2..." (6.35cm) 2..." (6.35cm) 2..." (6.35cm) 3" (7.62cm) 3" (7.62cm) 3" (7.62cm) 3" (7.62cm) 3" (7.62cm) 3" (7.62cm) 3" (7.62cm) 3..." (8.89cm) 3..." (8.89cm) 3..." (8.89cm) 3..." (8.89cm) 3..." (8.89cm) 4" (10.16cm) Figure 22 44 M412616 GAS CONNECTIONS (Gas Drying Tumblers) Before connecting gas piping to tumbler, make certain gas service is same as that specified on nameplate (near gas connection), Page 5. NATURAL GAS service must be supplied at 6... ± 1... inch water column pressure (1.62 ± .37 kPa). L.P. ...

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