Calibration Table for Pipe Sizes 3…36 Inches
See the column descriptions on the previous page for additional information about the calibration table.
Column 1 Column 2 Column 3 Column 4 Column 5 Column 6
Pipe Size Pipe O.D. (in.) Pipe I.D. (in.) K Value Offset
Suggested Operating
Range (gpm)
3 inch Sch 10S 3.5 3.260 5.009 0.090 12…400
Std. Wt., Sch 40 3.5 3.068 4.362 0.063 12…400
Extra Strong, Sch 80 3.5 2.900 3.858 0.043 12…400
PVC Class 125 3.5 3.284 5.094 0.093 12…400
PVC Class 160 3.5 3.230 4.902 0.085 12…400
PVC Class 200 3.5 3.166 4.682 0.076 12…400
4 inch Sch 10S 4.5 4.260 9.597 0.241 20…600
Std. Wt., Sch 40 4.5 4.026 8.34 0.229 20…600
Extra Strong, Sch 80 4.5 3.826 7.354 0.188 20…600
PVC Class 125 4.5 4.224 9.396 0.240 20…600
PVC Class 160 4.5 4.154 9.013 0.240 20…600
PVC Class 200 4.5 4.072 8.578 0.239 20…600
5 inch Sch 10S 5.563 5.295 16.305 0.250 30…900
Std. Wt., Sch 40 5.50 5.047 14.674 0.248 30…900
Extra Strong, Sch 80 5.50 4.813 13.165 0.246 30…900
6 inch Sch 10S 6.625 6.357 24.089 0.260 50…1500
Std. Wt., Sch 40 6.5 6.065 21.574 0.257 50…1500
Extra Strong, Sch 80 6.5 5.761 19.457 0.254 50…1500
PVC Class 125 6.625 6.217 22.853 0.258 50…1500
PVC Class 160 6.625 6.115 21.968 0.257 50…1500
PVC Class 200 6.625 5.993 21.068 0.256 50…1500
8 inch Sch 10S 8.625 8.329 43.914 0.286 80…2500
Sch 20 8.625 8.125 41.653 0.283 80…2500
Sch 30 8.625 8.071 41.063 0.283 80…2500
Std. Wt., Sch 40 8.625 7.981 40.086 0.281 80…2500
Sch 60 8.625 7.813 38.288 0.279 80…2500
Extra Strong, Sch 80 8.625 7.625 36.315 0.276 80…2500
PVC Class 125 8.625 8.095 41.324 0.283 80…2500
PVC Class 160 8.625 7.961 39.869 0.281 80…2500
PVC Class 200 8.625 7.805 38.203 0.279 80…2500
10 inch Sch 10S 10.75 10.420 70.195 0.321 125…4000
Sch 20 10.75 10.250 67.668 0.318 125…4000
Sch 30 10.75 10.136 66.069 0.316 125…4000
Sch 40, Std.Wt. 10.75 10.020 64.532 0.314 125…4000
Extra Strong, Sch 60 10.75 9.750 61.016 0.309 125…4000
Sch 80 10.75 9.564 58.644 0.306 125…4000
PVC Class 125 10.75 10.088 65.431 0.315 125…4000
PVC Class 160 10.75 9.924 63.272 0.312 125…4000
PVC Class 200 10.75 9.728 60.733 0.309 125…4000
12 inch Sch 10S 12.75 12.390 104.636 0.367 175…5000
Sch 20 12.75 12.250 102.553 0.364 175…5000
Sch 30 12.75 12.090 99.347 0.36 175…5000
Std. Wt., Sch 40S 12.75 12.000 97.576 0.358 175…5000
Sch 40 12.75 11.938 96.369 0.356 175…5000
Sch 60 12.75 11.625 90.441 0.348 175…5000
Extra Strong 12.75 11.750 92.775 0.351 175…5000
Sch 80 12.74 11.376 85.922 0.342 175…5000
PVC Class 125 12.75 11.966 96.912 0.357 175…5000
PVC Class 160 12.75 11.770 93.152 0.352 175…5000
PVC Class 200 12.75 11.538 88.842 0.346 175…5000
Calibration
Page 14 February 2018SEN-UM-01635-EN-11
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