Pipe Sizes

Pressures based on ambient temperature water (73F)

These are general specifications only and can vary by manufacturer

Pressure Rating

DR 7 ( 267psi )

DR 7.3 ( 254psi )

DR 9 ( 200psi )

DR 11 ( 160psi )

DR 13.5 ( 128psi )

DR 15.5 ( 110psi )

Nom. Size

O.D.

Wall

I.D.

Lb/lf

Wall

I.D.

Lb/lf

Wall

I.D.

Lb/lf

Wall

I.D.

Lb/lf

Wall

I.D.

Lb/lf

Wall

I.D.

Lb/lf

3/4"

1.05"

0.150"

0.732"

0.184

0.144"

0.745"

0.178

0.117"

0.803"

0.15

0.095"

0.848"

0.125

---

---

---

---

---

---

1"

1.315"

0.188"

0.917"

0.289

0.180"

0.933"

0.279

0.146"

1.005"

0.234

0.120"

1.062"

0.197

---

---

---

---

---

---

1 1/4"

1.66"

0.237"

1.157"

0.46

0.227"

1.178"

0.444

0.184"

1.269"

0.372

0.151"

1.340"

0.312

---

---

---

---

---

---

1 1/2"

1.90"

0.271"

1.325"

0.603

0.260"

1.348"

0.582

0.211"

1.452"

0.488

0.173"

1.534"

0.409

---

---

---

---

---

---

2"

2.375"

0.339"

1.656"

0.943

0.325"

1.685"

0.762

0.264"

1.816"

0.762

0.216"

1.917"

0.639

0.176"

2.002"

0.531

0.153"

2.050"

0.467

3"

3.500"

0.500"

2.440"

2.047

0.479"

2.484"

1.656

0.389"

2.676"

1.656

0.318"

2.825"

1.387

0.259"

2.950"

1.153

0.226"

3.021"

1.015

4"

4.500"

0.643"

3.137"

3.384

0.616"

3.193"

2.737

0.500"

3.440"

2.737

0.409"

3.633"

2.294

0.333"

3.793"

1.906

0.290"

3.885"

1.678

5"

5.375"

0.768"

3.747"

4.83

0.736"

3.814"

4.663

0.597"

4.109"

3.903

0.489"

4.339"

3.272

0.398"

4.531"

2.718

0.347"

4.640"

2.396

5"

5.563"

0.795"

3.878"

5.172

0.762"

3.947"

4.182

0.618"

4.253"

4.182

0.506"

4.491"

3.505

0.412"

4.689"

2.912

0.359"

4.802"

2.564

6"

6.625"

0.946"

4.619"

7.336

0.908"

4.701"

5.932

0.736"

5.064"

5.932

0.602"

5.348"

4.971

0.491"

5.585"

4.13

0.427"

5.719"

3.637

7"

7.125"

1.018"

4.967"

8.195

0.976"

5.056"

8.2

0.792"

5.447"

6.863

0.648"

5.752"

5.75

0.528"

6.006"

4.779

0.460"

6.150"

3.985

8"

8.625"

1.232"

6.013"

12.433

1.182"

6.120"

10.054

0.958"

6.593"

10.054

0.784"

6.963"

8.425

0.639"

7.271"

7.001

0.556"

7.445"

6.164

10"

10.750"

1.536"

7.494"

19.314

1.473"

7.628"

15.618

1.194"

8.218"

15.618

0.977"

8.678"

13.089

0.796"

9.062"

10.875

0.694"

9.280"

9.576

12"

12.750"

1.821"

8.889"

27.17

1.747"

9.047"

21.97

1.417"

9.747"

21.97

1.159"

10.293"

18.412

0.944"

10.748"

15.298

0.823"

11.006"

13.47

14"

14.000"

2.000"

9.760"

32.758

1.918"

9.934"

26.489

1.556"

10.702"

26.489

1.273"

11.302"

22.199

1.037"

11.801"

18.445

0.903"

12.085"

16.24

16"

16.00"

2.286"

11.154"

42.786

2.192"

11.353"

34.598

1.778"

12.231"

34.598

1.455"

12.916"

28.994

1.185"

13.487"

24.092

1.032"

13.812"

21.21

18"

18.00"

2.571"

12.549"

54.151

2.466"

12.773"

43.788

2.000"

13.760"

43.788

1.636"

14.531"

36.696

1.333"

15.173"

30.491

1.161"

15.538"

26.85

20"

20.00"

2.857"

13.943"

66.853

2.740"

14.192"

54.059

2.222"

15.289"

54.059

1.818"

16.145"

45.304

1.481"

16.859"

37.643

1.290"

17.265"

33.15

22"

22.00"

3.143"

15.337"

80.17

3.014"

15.611"

65.412

2.444"

16.818"

65.412

2.000"

17.760"

54.818

1.630"

18.545"

45.548

1.419"

18.991"

40.11

24"

24.00"

3.429"

16.731"

96.267

3.288"

17.030"

92.988

2.667"

18.347"

77.845

2.182"

19.375"

65.237

1.778"

20.231"

54.206

1.548"

20.717"

47.73

26"

26.00"

---

---

---

3.562"

18.449"

110.192

2.889"

19.876"

92.05

2.364"

20.989"

76.563

1.926"

21.917"

63.617

1.677"

22.444"

56.02

28"

28.00"

---

---

---

---

---

---

3.111"

21.404"

106.75

2.545"

22.604"

88.795

2.074"

23.603"

73.781

1.806"

24.170"

64.97

30"

30.00"

---

---

---

---

---

---

3.333"

22.933"

121.633

2.727"

24.218"

101.934

2.222"

25.289"

84.697

1.935"

25.897"

74.58

32"

32.00"

---

---

---

---

---

---

3.556"

24.462"

139.452

2.909"

25.833"

116.67

2.370"

26.975"

96.367

2.065"

27.623"

84.86

34"

34.00"

---

---

---

---

---

---

---

---

---

3.091"

27.447"

130.93

2.519"

28.661"

109.33

2.194"

29.350"

96.21

36"

36.00"

---

---

---

---

---

---

---

---

---

3.273"

29.062"

146.78

2.667"

30.347"

121.96

2.323"

31.076"

107.4

42"

42.00"

---

---

---

---

---

---

---

---

---

---

---

---

3.111"

35.404"

166.8

2.710"

36.255"

146.2

48"

48.00"

---

---

---

---

---

---

---

---

---

---

---

---

3.556"

40.462"

217.9

3.097"

41.435"

175.9

54"

54.00"

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

3.484"

46.614"

242.6

63"

62.99"

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

Pressure Rating

DR 17 ( 100psi )

DR 19 ( 89psi )

DR 21 ( 80psi )

DR 26 ( 65psi )

DR 32.5 ( 50psi )

 

 

Nom. Size

O.D.

I.D.

Lb/lf

Wall

I.D.

Lb/lf

Wall

I.D.

Lb/lf

Wall

I.D.

Lb/lf

Wall

AverageI.D.

Lb/lf

 

 

3/4"

1.050"

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

 

 

1"

1.315"

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

 

 

1 1/4"

1.660"

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

 

 

1 1/2"

1.900"

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

 

 

2"

2.375"

0.140"

2.079"

0.429

---

---

---

---

---

---

---

---

---

---

---

---

 

 

3"

3.500"

0.206"

3.064"

0.932

---

---

---

---

---

---

---

---

---

---

---

---

 

 

4"

4.500"

0.265"

3.939"

1.54

0.237"

3.998"

1.387

0.214"

4.046"

1.262

0.173"

4.133"

1.03

0.138"

4.206"

0.831

 

 

5"

5.375"

0.316"

4.705"

2.197

0.283"

4.775"

1.98

0.256"

4.832"

1.801

0.207"

4.937"

1.47

0.165"

5.024"

1.186

 

 

5"

5.563"

0.327"

4.869"

2.353

0.293"

4.942"

2.12

0.265"

5.001"

1.929

0.214"

5.109"

1.574

0.171"

5.200"

1.27

 

 

6"

6.625"

0.390"

5.799"

3.338

0.349"

5.886"

3.007

0.315"

5.956"

2.736

0.255"

6.085"

2.233

0.204"

6.193"

1.801

 

 

7"

7.125"

0.419"

6.236"

3.86

0.375"

6.330"

3.478

0.339"

6.406"

3.165

0.274"

6.544"

2.582

0.219"

6.660"

2.083

 

 

8"

8.625"

0.507"

7.549"

5.657

0.454"

7.663"

5.097

0.411"

7.754"

4.637

0.332"

7.922"

3.784

0.265"

8.062"

3.053

 

 

10"

10.750"

0.632"

9.409"

8.788

0.566"

9.551"

7.918

0.512"

9.665"

7.204

0.413"

9.873"

5.878

0.331"

10.049"

4.742

 

 

12"

12.750"

0.750"

11.160"

12.362

0.671"

11.327"

11.138

0.607"

11.463"

10.134

0.490"

11.710"

8.269

0.392"

11.918"

6.671

 

 

14"

14.000"

0.824"

12.254"

14.905

0.737"

12.438"

13.429

0.667"

12.587"

12.218

0.538"

12.858"

9.97

0.431"

13.087"

8.044

 

 

16"

16.00"

0.941"

14.005"

19.467

0.842"

14.215"

17.54

0.762"

14.385"

15.959

0.615"

14.695"

13.022

0.492"

14.956"

10.506

 

 

18"

18.00"

1.059"

15.755"

24.638

0.947"

15.992"

22.199

0.857"

16.183"

20.198

0.692"

16.532"

16.48

0.554"

16.826"

13.296

 

 

20"

20.00"

1.176"

17.506"

30.418

1.053"

17.768"

27.406

0.952"

17.981"

24.936

0.769"

18.369"

20.346

0.615"

18.695"

16.415

 

 

22"

22.00"

1.294"

19.256"

36.805

1.158"

19.545"

33.162

1.048"

19.779"

30.172

0.846"

20.206"

24.619

0.677"

20.565"

19.863

 

 

24"

24.00"

1.412"

21.007"

43.801

1.263"

21.322"

39.465

1.143"

21.577"

35.907

0.923"

22.043"

29.299

0.738"

22.434"

23.638

 

 

26"

26.00"

1.529"

22.758"

51.406

1.368"

23.099"

46.316

1.238"

23.375"

42.141

1.000"

23.880"

34.385

0.800"

24.304"

27.742

 

 

28"

28.00"

1.647"

24.508"

59.618

1.474"

24.876"

53.716

1.333"

25.173"

48.874

1.077"

25.717"

39.879

0.862"

26.174"

32.174

 

 

30"

30.00"

1.765"

26.259"

68.439

1.579"

26.653"

61.664

1.429"

26.971"

56.105

1.154"

27.554"

45.779

0.923"

28.043"

36.934

 

 

32"

32.00"

1.882"

28.009"

77.869

1.684"

28.429"

70.16

1.524"

28.770"

63.835

1.231"

29.391"

52.086

0.985"

29.913"

42.023

 

 

34"

34.00"

2.000"

29.760"

87.907

1.789"

30.206"

79.204

1.619"

30.568"

72.064

1.308"

31.228"

58.814

1.046"

31.782"

47.44

 

 

36"

36.00"

2.118"

31.511"

98.553

1.895"

31.983"

88.796

1.714"

32.366"

80.791

1.385"

33.065"

65.922

1.108"

33.652"

53.186

 

 

42"

42.00"

2.471"

36.762"

134.141

2.211"

37.314"

120.861

2.000"

37.760"

109.966

1.615"

38.575"

89.727

1.292"

39.260"

72.392

 

 

48"

48.00"

2.824"

42.014"

175.205

2.526"

42.644"

157.857

2.286"

43.154"

143.629

1.846"

44.086"

117.194

1.477"

44.869"

94.552

 

 

54"

54.00"

3.176"

47.266"

222.547

2.842"

47.975"

199.791

2.571"

48.549"

182.298

2.077"

49.597"

148.324

1.662"

50.478"

119.67

 

 

63"

62.99"

---

---

---

---

---

---

3.000"

56.631"

247.8

2.423"

57.854"

202.01

1.938"

58.881"

162.98

 

 

The content in this website may be used but with no warranty or liability.

This information is believed to be correct but should always be double checked with alternative sources.

Strictly adhere to and follow all applicable national and local regulations and practices.

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