Installation Instructions

43
*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.
CAPACITY TABLES OF CSST – TABLE 5 Maximum Capacity of Pro-Flex
®
CSST in Cubic Feet per Hour of Gas Gas Pressure: 13 – 14 inches WC Pressure Drop: 6 inch WC (Based on a 0.6 Specific Gravity Gas)
Tubing Length (feet)
Tube Size (EHD) 5 10 15 20 25 30 40 50 60 70 80 90 100 150 200 250 300 3/8” 15 220 156 127 110 99 90 78 70 64 59 55 52 50 41 35 31 29 1/2” 18 308 222 183 160 144 132 115 103 95 88 83 78 74 61 53 48 44 3/4” 25 979 692 565 490 438 400 346 310 283 262 245 231 219 179 155 138 126 1” 31 2536 1717 1366 1162 1025 925 787 694 626 574 532 498 469 373 318 280 253 1
1
/4” 37 3310 2337 1906 1650 1475 1346 1165 1041 950 880 822 775 735 600 519 464 423
*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 6 may exceed maximum capacity of the regulator. With a 1 psig regulator inlet pressure and a 20 inch WC drop across the regulator (8”
WC regulator outlet setting), the maximum flow capacity of a single 325-3 is 252 CFH, while the 325-5A is 587. The use of multiple parallel regulators may be required if per-
mitted by local code.
CAPACITY TABLES OF CSST – TABLE 6 Maximum Capacity of Pro-Flex
®
CSST in Cubic Feet per Hour of Gas Gas Pressure: 2 psig Pressure Drop: 1 psig (Based on a 0.6 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” 15 332 211 193 167 150 123 119 106 87 75 67 62 53 48 1/2” 18 458 297 272 238 214 176 171 154 127 111 100 91 80 72 3/4” 25 1488 941 859 744 666 544 526 471 384 333 298 272 235 210 1” 31 4065 2427 2190 1862 1642 1307 1261 1112 885 752 664 599 509 449 1
1
/4” 37 5040 3181 2903 2513 2246 1833 1774 1586 1294 1120 1001 913 791 707
NATURAL GAS Locate proper sizing table based on total pressure drop allowed in piping system by local utility for each installation.