Installation Guide

26
Sizing/Capacity Tables
Table 5.7 Elevated Pressure Liquid Propane (LP) (10 PSI with 1 PSI drop)
Maximum Capacity of HOME-FLEX
TM
Underground Poly Pipe in BTU/h (British Thermal Units per Hour) of
LiquidPropane(LP)Gas by Length of Piping Run
(Approximate 2,520 BTU/h LP Gas per 1 CFH; based on a 1.52 specific gravity of gas)
Inlet Pressure: 10 PSI Pressure Drop: 1 PSI
Intended Use: PE Pipe Sizing Between First-Stage Pressure Regulator and Second-Stage (Low Pressure) Regulator
Run (ft.)
IPS Pipe Size (SDR)
½" (SDR 9.3) ¾" (SDR 11) 1" (SDR 11) 1¼" (SDR 11) 1½" (SDR 11) 2" (SDR 11)
30 2,140k 4,290k 7,740k 13,420k 20,300k 36,400k
40 1,840k 3,670k 6,630k 11,480k 17,300k 31,200k
50 1,630k 3,260k 5,870k 10,180k 15,400k 27,600k
60 1,470k 2,950k 5,320k 9,220k 13,900k 25,000k
70 1,360k 2,710k 4,900k 8,480k 12,800k 23,000k
80 1,260k 2,530k 4,560k 7,890k 11,900k 21,400k
90 1,180k 2,370k 4,270k 7,400k 11,200k 20,100k
100 1,120k 2,240k 4,040k 6,990k 10,600k 19,000k
125 990k 1,980k 3,580k 6,200k 9,360k 16,800k
150 897k 1,800k 3,240k 5,620k 8,480k 15,200k
175 826k 1,650k 2,980k 5,170k 7,800k 14,000k
200 778k 1,540k 2,780k 4,810k 7,260k 13,000k
225 721k 1,440k 2,600k 4,510k 6,810k 12,200k
250 681k 1,360k 2,460k 4,260k 6,430k 11,600k
275 646k 1,290k 2,340k 4,050k 6,110k 11,000k
300 617k 1,240k 2,230k 3,860k 5,830k 10,470k
350 567k 1,140k 2,050k 3,550k 5,360k 9,640k
400 528k 1,060k 1,910k 3,300k 4,990k 8,970k
450 495k 992k 1,790k 3,100k 4,680k 8,410k
500 468k 937k 1,690k 2,930k 4,420k 7,950k
600 424k 849k 1,530k 2,650k 4,010k 7,200k
700 390k 781k 1,410k 2,440k 3,690k 6,620k
800 363k 726k 1,310k 2,270k 3,430k 6,160k
900 340k 682k 1,230k 2,130k 3,220k 5,780k
1000 322k 644k 1,160k 2,010k 3,040k 5,460k
1500 258k 517k 933k 1,620k 2,440k 4,390k
2000 221k 443k 798k 1,380k 2,090k 3,750k
k = 1,000 BTU/h EXAMPLE: 252k = 252,000 BTU/h = 100 CFH (Cubic Feet per Hour) of LP Gas