Polyethylene
Pipe Chart

Pressure Rating

265 psi
SDR 7

psi
SDR 7.3

200 psi
SDR 9

psi
SDR 9.3

160 psi
SDR 11

psi
SDR 11.5

130 psi
SDR 13.5

110 psi
SDR 15.5

100 psi
SDR 17

89 psi
SDR 19

80 psi
SDR 21

65 psi
SDR 26

50 psi
SDR 32.5

Pipe Size

O.D. (inches)

Wall Tkns I.D.

Wall Tkns I.D.

Wall Tkns I.D.

Wall Tkns I.D.

Wall Tkns I.D.

Wall Tkns I.D.

Wall Tkns I.D.

Wall Tkns I.D.

Wall Tkns I.D.

Wall Tkns I.D.

Wall Tkns I.D.

Wall Tkns I.D.

Wall Tkns I.D.

1/2

0.840

0.120
0.600

0.115
0.610

0.093
0.654

0.090
0.660

0.076
0.688

0.073
0.694

 

 

 

 

 

 

 

3/4

1.050

0.150
0.750

0.144
0.762

0.117
0.816

0.113
0.824

0.095
0.860

0.091
0.868

 

 

 

 

 

 

 

1

1.315

0.188
0.939

0.180
0.955

0.146
1.023

0.141
1.033

0.120
1.075

0.144
1.087

 

 

 

 

 

 

 

1-1/4

1.660

0.237
1.186

0.227
1.206

0.184
1.292

0.178
1.304

0.151
1.358

0.144
1.372

0.123
1.414

 

 

 

 

 

 

1-1/2

1.900

0.271
1.358

0.260
1.380

0.211
1.478

0.204
1.492

0.173
1.554

0.165
1.570

0.141
1.618

0.123
1.654

 

 

 

 

 

2

2.375

0.339
1.697

0.325
1.725

0.264
1.847

0.255
1.865

0.216
1.943

0.207
1.961

0.176
2.023

0.153
2.069

0.140
2.095

 

 

 

 

3

3.500

0.500
2.500

0.479
2.542

0.389
2.722

0.376
2.748

0.318
2.864

0.304
2.892

0.259
2.982

0.226
3.048

0.206
3.088

0.184
3.132

0.167
3.166

0.135
3.230

0.108
3.284

4

4.500

0.643
3.214

0.616
3.268

0.500
3.500

0.484
3.532

0.409
3.682

0.391
3.718

0.333
3.834

0.290
3.920

0.265
3.970

0.237
4.026

0.214
4.072

0.173
4.154

0.138
4.224

5-3/8

5.375

 

 

 

 

 

 

 

 

0.316
4.743

 

0.256
4.863

0.207
4.961

0.165
5.045

5

5.563

0.795
3.973

0.762
4.039

0.618
4.327

0.598
4.367

0.506
4.551

0.484
4.595

0.412
4.739

0.359
4.845

0.327
4.909

0.293
4.977

0.265
5.033

0.214
5.135

0.171
5.221

6

6.625

0.946
4.733

0.908
4.809

0.736
5.153

0.712
5.201

0.602
5.421

0.576
5.473

0.491
5.643

0.427
5.771

0.390
5.845

0.349
5.927

0.315
5.995

0.255
6.115

0.204
6.217

7

7.125

1.018
5.089

 

0.792
5.541

 

0.648
5.829

 

0.528
6.069

0.460
6.205

0.419
6.287

0.375
6.375

0.340
6.445

0.274
6.577

0.220
6.685

8

8.625

1.232
6.161

1.182
6.261

0.958
6.709

0.927
6.771

0.784
7.057

0.750
7.125

0.639
7.347

0.556
7.513

0.507
7.611

0.454
7.717

0.411
7.803

0.332
7.961

0.265
0.095

10

10.750

1.536
7.678

1.473
7.804

1.194
8.362

1.156
8.438

0.977
8.796

0.935
8.880

0.796
9.158

0.694
9.362

0.632
9.486

0.566
9.618

0.512
9.726

0.413
9.924

0.331
10.088

12

12.750

1.821
9.108

1.747
9.256

1.417
9.916

1.371
10.008

1.159
10.432

1.109
10.532

0.944
10.862

0.823
11.104

0.750
11.250

0.671
11.408

0.607
11.536

0.490
11.770

0.392
11.966

13

13.380

1.912
9.556

 

1.487
10.406

 

1.217
10.946

 

0.992
11.396

0.864
11.652

0.787
11.806

0.705
11.970

0.637
12.106

0.515
12.350

0.412
12.556

14

14.000

2.000
10.000

1.918
10.164

1.556
10.888

1.505
10.990

1.273
11.454

1.217
11.566

1.037
11.926

0.903
12.194

0.824
12.352

0.737
12.526

0.667
12.666

0.538
12.924

0.431
13.138

16

16.000

2.286
11.428

2.192
11.616

1.778
12.444

1.720
12.560

1.455
13.090

1.391
13.218

1.185
13.630

1.032
13.936

0.941
14.118

0.842
14.316

0.762
14.476

0.615
14.770

0.492
15.016

18

18.000

2.571
12.858

2.466
13.068

2.000
14.000

1.935
14.130

1.636
14.728

1.565
14.870

1.333
15.334

1.161
15.678

1.059
15.882

0.947
16.106

0.857
16.286

0.692
16.616

0.554
16.892

20

20.000

2.857
14.286

2.740
14.520

2.222
15.556

2.151
15.698

1.818
16.364

1.739
16.522

1.481
17.038

1.290
17.420

1.176
17.648

1.053
17.894

0.952
18.096

0.769
18.462

0.615
18.770

21

21.500

 

 

2.389
16.722

 

1.955
17.590

 

1.593
18.314

1.387
18.726

1.265
18.970

1.132
19.236

1.024
19.452

0.827
19.846

0.662
20.176

22

22.000

 

 

2.444
17.112

2.366
17.268

2.000
18.000

1.913
18.174

1.630
18.740

1.419
19.162

1.294
19.412

1.158
19.684

1.048
19.904

0.846
20.308

0.677
20.646

24

24.000

 

 

2.667
18.666

2.581
18.838

2.182
19.636

2.087
19.826

1.778
20.444

1.548
20.904

1.412
21.176

1.263
21.474

1.143
21.714

0.923
22.154

0.738
22.524

26

26.000

 

 

 

 

2.364
21.272

 

1.926
22.148

1.677
22.646

1.529
22.942

1.368
23.264

1.238
23.524

1.000
24.000

0.800
24.400

28

28.000

 

 

 

 

2.545
22.910

2.435
23.130

2.074
23.852

1.806
24.388

1.647
24.706

1.474
25.052

1.333
25.334

1.077
25.846

0.862
26.276

30

30.000

 

 

 

 

2.727
24.546

2.609
24.782

2.222
25.556

1.935
26.130

1.765
26.470

1.579
26.470

1.429
27.142

1.154
27.692

0.923
28.154

800 mm

31.496

 

 

 

 

 

 

2.333
26.830

2.032
27.432

1.850
27.796

1.658
28.180

1.500
28.496

1.211
29.074

0.969
29.558

32

32.000

 

 

 

 

 

 

2.370
27.260

2.065
27.870

1.882
28.236

1.684
28.632

1.524
28.952

1.231
29.538

0.985
30.030

34

34.000

 

 

 

 

 

 

2.519
28.962

2.194
29.612

2.000
30.000

1.789
30.422

1.619
30.762

1.308
31.384

1.046
31.908

36

36.000

 

 

 

 

 

 

2.667
30.666

2.323
31.354

2.118
31.764

1.895
32.210

1.714
32.572

1.385
33.230

1.108
33.784

1000 mm

39.370

 

 

 

 

 

 

 

 

2.316
34.738

2.072
35.226

1.875
35.620

1.514
36.342

1.211
26.948

42

42.000

 

 

 

 

 

 

 

2.710
36.580

2.471
37.058

2.211
37.578

2.000
38.000

1.615
38.342

1.211
36.948

1200 mm

47.244

 

 

 

 

 

 

 

 

 

2.487
42.270

2.250
42.744

1.817
43.610

1.454
44.336

48

48.000

 

 

 

 

 

 

 

 

 

 

2.286
43.428

1.846
44.308

1.477
45.046

52

52.000

 

 

 

 

 

 

 

 

 

 

 

2.000
48.000

1.600
48.800

54

54.000

 

 

 

 

 

 

 

 

 

 

 

2.077
49.846

1.662
50.676