Installation Guide

48
Piping System Applications
PVC Schedule 80 Pressure Ratings
PVC Schedule 80 Pipe & Fittings
Pressure Rating (psi) @ 73° F Pressure Rating (psi) @ 140° F
Socket Threaded Unions Socket Threaded Unions
Size Pipe Fittings Fittings Flanges (Socket) Pipe Fittings Fittings Flanges (Socket)
1 1
⁄22” 850 510 425 150 235 187 112 94 33 52
3 3
⁄44” 690 414 345 150 235 152 91 76 33 52
1” 630 378 315 150 235 139 83 69 33 52
1
11
⁄44” 520 312 260 150 235 114 69 57 33 52
1
11
⁄22” 470 282 235 150 235 103 62 52 33 52
2” 400 240 200 150 235 88 53 44 33 52
2
11
⁄22” 420 252 210 150 - 92 55 46 33 -
3” 370 222 185 150 235 81 49 41 33 52
4” 320 192 160 150 - 70 42 35 33 -
5” 290 174 145 - - 64 38 32 - -
6” 280 168 140 150 - 62 37 31 33 -
8” 250 150 125 150 - 55 33 28 33 -
10” 230 138 115 150 - 51 30 25 33 -
12” 230 138 115 150 - 51 30 25 33 -
14” 220 132 110 - - 48 29 24 - -
16” 220 132 110 - - 48 29 24 - -