Installation Instructions

46
*Table includes losses for four 90 degree bends and two (2) end fittings. Tubing runs with larger numbers of bends and/or fitting shall be increased by an equivalent length of tubing according to the following formula:
L = 1.3 (n) L = is the additional length (ft.) of tubing to be added to actual run. n = is the number of additional fittings and/or bends.
Caution: Capacities show in Table 12 may exceed maximum capacity of the regulator. With a 1 psig regulator inlet pressure and a 15 inch WC drop across the regulator (13 inch WC regulator out- let setting), the maximum flow capacity of a single 325-3 is 342,000 BTU/hr., while the 325 5A is 796,000 BTU/hr. The use of multiple parallel regulators may be rquired if permitted by local code.
Note: Table 12 does not include the effects of pressure drop across the line regulator. If regulator pressure drop exceeds 17 inch WC across 325-3 or 325-5A regulators,
DO NOT USE THIS TABLE. Consult with Tru-Flex Metal Hose Corp. for guidance.
*Table includes losses for four 90 degree bends and two (2) end fittings. Tubing runs with larger numbers of bends and/or fitting shall be increased by an equivalent length of tubing according to the
following formula:
L = 1.3 (n) L = is the additional length (ft.) of tubing to be added to actual run. n = is the number of additional fittings and/or bends.
Caution: Capacities show in Table 13 may exceed maximum capacity of the regulator. With a 1.5 psig regulator inlet pressure and a 1 psig pressure drop across the regulator (14 inch WC regula-
tor outlet setting), the maximum flow capacity of a single 325-3 is 467,000 BTU/hr., while the 325-5A is 1,088,000 BTU/hr. The use of multiple parallel regulators may be required if permitted by
local code.
Note: Table 13 does not include the effects of pressure drop across the line regulator. If regulator pressure drop exceeds 1 psig across 325-3 or 325-5A regulators, DO NOT USE THIS TABLE.
Consult with Tru-Flex Metal Hose Corp. for guidance.
CAPACITY TABLES OF CSST – TABLE 10
Maximum Capacity of Pro-Flex
®
CSST in Thousands of BTU per Hour of Undiluted Liquified Petroleum Gas
Gas Pressure: 2 psig Pressure Drop: 1 psig (Based on a 1.52 Specific Gravity Gas)
Tubing Length (feet)
Tube Size (EHD) 10 25 30 40 50 75 80 100 150 200 250 300 400 500 3/8” 15 525 334 305 265 237 194 188 161 138 119 107 98 85 76 1/2” 18 724 469 431 376 338 279 271 233 201 175 158 145 126 113 3/4” 25 2353 1488 1359 1177 1053 860 832 710 608 526 471 430 372 333 1” 31 6426 3836 3462 2944 2597 2067 1993 1666 1399 1190 1049 947 805 710 1
1
/4” 37 7959 5025 4585 3968 3548 2894 2802 2388 2044 1769 1581 1443 1249 1116
CAPACITY TABLES OF CSST – TABLE 11
Maximum Capacity of Pro-Flex
®
CSST in Thousands of BTU per Hour of Undiluted Liquified Petroleum Gas
Gas Pressure: 5 psig Pressure Drop: 3.5 psig (Based on a 1.52 Specific Gravity Gas)
Tubing Length (feet)
Tube Size (EHD) 10 25 30 40 50 75 80 100 150 200 250 300 400 500 3/8” 15 976 621 567 492 441 361 349 298 256 222 199 182 157 141 1/2” 18 1310 849 779 680 612 505 490 421 364 317 286 262 229 206 3/4” 25 4400 2784 2541 2201 1969 1608 1557 1328 1137 985 881 804 695 623 1” 31 13007 7766 7008 5960 5257 4184 4035 3372 2832 2409 2124 1917 1630 1438 1
1
/4” 37 14928 9424 8600 7443 6654 5429 5256 4479 3833 3318 2966 2707 2343 2094
PROPANE LOW PRESSURE GAS Locate proper sizing table based on total pressure drop allowed in piping system by local utility for each installation.
248008 17498_TF_TrainingG.indd 50248008 17498_TF_TrainingG.indd 50 6/12/13 12:16 PM6/12/13 12:16 PM