Specifications

Milan Supply Company/Milan Engineered Systems
Page 39
Size O.D. Min. Wall PSI
.5” .840 .062 315
.75” 1.050 .060 200
1” 1.315 .063 200
1.25” 1.660 .079 200
1.5” 1.900 .090 200
2” 2.375 .113 200
2.5” 2.875 .137 200
3” 3.500 .167 200
4” 4.500 .214 200
6” 6.625 .316 200
8” 8.625 .410 200
SDR-21 ASTM D-2241
Size O.D. Min. Wall
PSI
.5” .840 .147 850
.75” 1.050 .154 690
1” 1.315 .179 630
1.25” 1.660 .191 520
1.5” 1.900 .200 470
2” 2.375 .218 400
2.5” 2.875 .276 420
3” 3.500 .300 370
4” 4.500 .337 320
6” 6.625 .432 280
8” 8.625 .500 250
SCH-80 ASTM D-1785
Size O.D. Min. Wall
3” 3.250 .070
4” 4.215 .075
6” 6.275 .100
PVC-DS ASTM D-2729
Size O.D. Min. Wall
PSI
.5” .840 .109 600
.75” 1.050 .113 480
1” 1.315 .133 450
1.25” 1.660 .140 370
1.5” 1.900 .145 330
2” 2.375 .154 280
2.5” 2.875 .203 300
3” 3.500 .216 260
4” 4.500 .237 220
6” 6.625 .280 180
8” 8.625 .332 160
10” 10.750 .365 140
12” 12.750 .406 130
SCH-40 ASTM D-1785
Size O.D. Min. Wall
4” 4.215 .120
6” 6.275 .180
8” 8.400 .240
10” 10.500 .300
12” 12.500 .360
15” 15.300 .437
SDR-35 ASTM D-3034
PVC Pipe Speci cations
Ori ce Size 2’ Head 3’ Head 4’ Head 5’ Head 6’ Head 7’ Head 8’ Head
1/8” 0.273 .335 0.386 0.432 0.473 0.511 0.547
5/32” 0.427 0.523 0.604 0.675 0.740 0.799 0.854
3/16” 0.615 0.753 0.870 0.973 1.066 1.151 1.231
7/32” 0.837 1.026 1.184 1.324 1.451 1.567 1.675
1/4” 1.094 1.340 1.548 1.730 1.895 2.047 2.188
Flow in GPM for Various Size Ori ces