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Fittings

Flanged Fittings

AMERICAN provides a complete line of standard as well as many special flanged fittings for various types of service, including water, sewage and air.

ANSI/AWWA C110/A21.10 Fittings

Most of the flanged fittings furnished by AMERICAN are manufactured in accordance with the requirements of this standard. Such fittings in this section are designated with the heading “ANSI/AWWA C110/A21.10.” The AWWA C110 fitting flanges have facing and drilling that match AWWA C115 threaded-on flanges (see Flanged Joint Pipe) and which also match ANSI B16.1 class 125 flanges.

AMERICAN provides some fittings that are not included in AWWA C110, including long-radius 90° bends, reducing bends, wyes and various other fittings commonly used in plant piping. These have AWWA C110 flanges and are denoted by the heading “AMERICAN Standard.” Pressure ratings shown are AMERICAN Standard and are based on AWWA C110 design principles.

AWWA C110 flanges are adequate for a water working pressure of 250 psi with the body of the fitting being suitable for 150 or 250 psi as indicated. In some cases, these fittings have been supplied for greater water working pressure applications, particularly when used with AMERICAN Toruseal gaskets.

ANSI/AWWA C153/A21.53 Fittings

54", 60" and 64" fittings are manufactured in accordance with AWWA C153. Flanges match AWWA C115 and ANSI B16.1 (class 125) flanges and are adequate for a water working pressure of 250 psi. (64" flanges match 66" flanges. See the table in Standard Dimensions). The bodies of these fittings are suitable for 150 psi or 250 psi as indicated. In some cases, these fittings have been supplied for greater water working pressure applications, particularly when used with AMERICAN Toruseal gaskets.

Fittings Class 250 F&D

Except for a transition fabricated pipe from an ANSI B16.1 class 250 flange to a standard AWWA C110 flange, AMERICAN no longer furnishes fittings with flanges faced and drilled per ANSI B16.1 class 250.

Pressure Ratings

As noted in AWWA C111, flange joints in the 24" and smaller sizes may be rated for up to 350 psi with the use of special gaskets such as AMERICAN’s Toruseal gasket.

Furthermore, AMERICAN is able to rate flange pipe and fittings higher than 350 psi on special applications.

Information on fittings class 250 F&D previously furnished by AMERICAN can be found in the Guide to Historical Data.

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Tees

Welded-on outlets are preferable in many cases to tees or crosses, especially for branch reductions. Consult AMERICAN or see Fabricated Items.

Size
(in.)

Pressure
Rating
(psi)

Dimensions in Inches

Weight in
Pounds

Run

Branch

T

T 1

H

J

Tee

4

4

250

0.52

0.52

6.5

6.5

65

6

4

250

0.55

0.52

8

8

100

6

6

250

0.55

0.55

8

8

105

8

4

250

0.6

0.52

9

9

145

8

6

250

0.6

0.55

9

9

150

8

8

250

0.6

0.6

9

9

165

10

4

250

0.68

0.52

11

11

220

10

6

250

0.68

0.55

11

11

230

10

8

250

0.68

0.6

11

11

240

10

10

250

0.8

0.8

11

11

285

12

4

250

0.75

0.52

12

12

315

12

6

250

0.75

0.55

12

12

320

12

8

250

0.75

0.6

12

12

335

12

10

250

0.87

0.8

12

12

380

12

12

250

0.87

0.87

12

12

405

14

4

250

0.66

0.52

14

14

375

14

6

250

0.66

0.55

14

14

385

14

8

250

0.66

0.6

14

14

400

14

10

250

0.66

0.68

14

14

415

14

12

250

0.66

0.75

14

14

445

14

14

250

0.66

0.66

14

14

455

16

4

250

0.7

0.52

15

15

475

16

6

250

0.7

0.55

15

15

485

16

8

250

0.7

0.6

15

15

500

16

10

250

0.7

0.68

15

15

515

16

12

250

0.7

0.75

15

15

540

16

14

250

0.7

0.66

15

15

550

16

16

250

0.7

0.7

15

15

575

18

6

250

0.75

0.55

13

15.5

500

18

8

250

0.75

0.6

13

15.5

515

18

10

250

0.75

0.68

13

15.5

530

18

12

250

0.75

0.75

13

15.5

555

18

14

250

0.75

0.66

16.5

16.5

655

18

16

250

0.75

0.7

16.5

16.5

675

18

18

250

0.75

0.75

16.5

16.5

695

20

4

250

0.8

0.52

14

17

625

20

6

250

0.8

0.55

14

17

630

20

8

250

0.8

0.6

14

17

645

20

10

250

0.8

0.68

14

17

660

20

12

250

0.8

0.75

14

17

685

20

14

250

0.8

0.66

14

17

690

20

16

250

0.8

0.7

18

18

840

20

18

250

0.8

0.75

18

18

850

20

20

250

0.8

0.8

18

18

885

24

4

250

0.89

0.52

15

19

875

24

6

250

0.89

0.55

15

19

880

24

8

250

0.89

0.6

15

19

890

24

10

250

0.89

0.68

15

19

905

24

12

250

0.89

0.75

15

19

930

24

14

250

0.89

0.66

15

19

930

24

16

250

0.89

0.7

15

19

950

24

18

250

0.89

0.75

22

22

1270

24

20

250

0.89

0.8

22

22

1305

24

24

250

0.89

0.89

22

22

1380

30

12

250

1.03

0.75

18

23

1485

30

14

250

1.03

0.66

18

23

1490

30

16

250

1.03

0.7

18

23

1505

30

18

250

1.03

0.75

18

23

1515

30

20

250

1.03

0.8

18

23

1540

30

24

250

1.03

0.89

25

25

2025

30

30

250

1.03

1.03

25

25

2150

36

6

250

1.15

0.55

20

26

2130

36

8

250

1.15

0.6

20

26

2140

36

12

250

1.15

0.75

20

26

2170

36

14

250

1.15

0.66

20

26

2175

36

16

250

1.15

0.7

20

26

2185

36

18

250

1.15

0.75

20

26

2190

36

20

250

1.15

0.8

20

26

2215

36

24

250

1.15

0.89

20

26

2255

36

30

250

1.15

1.03

28

28

3000

36

36

250

1.15

1.15

28

28

3165

42

12

250

1.28

0.75

23

30

3165

42

14

250

1.28

0.66

23

30

3165

42

16

250

1.28

0.7

23

30

3180

42

18

250

1.28

0.75

23

30

3185

42

20

250

1.28

0.8

23

30

3205

42

24

250

1.28

0.89

23

30

3245

42

30

250

1.28

1.03

31

31

4130

42

36

150

1.28

1.15

31

31

4265

42

36

250

1.78

1.58

31

31

5365

42

42

150

1.28

1.28

31

31

4465

42

42

250

1.78

1.78

31

31

5580

48

12

250

1.42

0.75

26

34

4315

48

14

250

1.42

0.66

26

34

4315

48

16

250

1.42

0.7

26

34

4325

48

18

250

1.42

0.75

26

34

4330

48

20

250

1.42

0.8

26

34

4350

48

24

250

1.42

0.89

26

34

4385

48

30

250

1.42

1.03

26

34

4455

48

36

250

1.42

1.15

34

34

5555

48

42

150

1.42

1.28

34

34

5720

48

42

250

1.96

1.78

34

34

7195

48

48

150

1.42

1.42

34

34

5900

48

48

250

1.96

1.96

34

34

7380

54

36

2501

1.05

1.15

31

37

4850

54

42

2501

1.05

1.28

39

39

5980

54

48

2501

1.05

1.42

39

39

6210

54

54

2501

1.05

1.05

39

39

6025

60

36

2501

1.1

1.15

33

42

6200

60

42

2501

1.1

1.28

43

43

7640

60

48

2501

1.1

1.42

43

43

7880

60

54

2501

1.1

1.05

43

43

7665

60

60

2501

1.1

1.1

43

43

8045

64

36

2501

1.16

1.15

32

44

7505

64

42

2501

1.16

1.28

48

45

9870

64

48

2501

1.16

1.42

48

45

10090

64

54

2501

1.16

1.05

48

46

9915

64

60

2501

1.16

1.1

48

46

10285

64

64

2501

1.16

1.16

48

48

10995

1.) AMERICAN Standard. 54"-64" fittings are rated only 150 psi in AWWA C153.

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