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Bulletin f-70 – Dwyer UXF2 User Manual

Page 125

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Steel pipe coated for city water STW (JIS G3443 1987)

Centrifugal nodular graphite cast iron pipe for city water (A type) (JWWA G-105 1971)

7.5

93.0

75

7.5

118.0

100

9.5

169.0

7.5

220.0

150

7.5

271.6

200

7.5

332.8

250

7.5

374.0

300

8.5

425.6

350

9.0

476.8

400

9.5

528.0

450
500

7.5
8.0
8.5

Nominal diameter

Thickness of pipe

Actual outer diameter

T

1st type pipe

2nd type pipe

6.0
6.0
6.0
6.0
6.0
6.5
6.5
7.0
7.5
7.0

3rd type pipe

D

D1





Nominal
diameter

A

Outer

diameter

mm

Kinds of symbol

STW 30 STW 38

STW 41

Thickness

(mm)

Thickness

(mm)

Thickness

(mm)

Thickness

(mm)

150

165.2

5.0

5.5

200

216.3

5.8

6.4

250

267.4

6.6

6.4

300

318.5

6.9

6.4

350

355.6

6.0

400

406.4

6.0

450

457.2

6.0

500

508.0

6.0

600

609.6

6.0

700

711.2

7.0

6.0

800

812.8

8.0

7.0

900

914.4

8.0

7.0

1000

1016.0

9.0

8.0

125

139.8

4.5

5.1

100

114.3

4.5

4.9

A

B

Nominal thickness STW 290 STW 370

STW 400

Thickness

(mm)

Thickness

(mm)

Thickness

(mm)

Thickness

(mm)

5.0

5.5

5.8

6.4

6.6

6.4

6.9

6.4

6.0
6.0
6.0
6.0
6.0

7.0

6.0

8.0

7.0

8.0

7.0

9.0

8.0

4.5

5.1

4.5

4.9

80

89.1

4.2

4.5

4.2

4.5

A

B

Nominal thickness

1350

1371.6

12.0

10.0

1500

1524.0

14.0

11.0

1600

1625.6

15.0

12.0

1650

1676.4

15.0

12.0

1800

1828.8

16.0

13.0

1900

1930.4

17.0

14.0

2000

2032.0

18.0

15.0

2100

2133.6

19.0

16.0

2300

2336.8

21.0

17.0

2400

2438.4

22.0

18.0

2500

2540.0

23.0

18.0

2600

2641.6

24.0

19.0

1200

1219.2

11.0

9.0

1100

1117.6

10.0

8.0

12.0

10.0

14.0

11.0

15.0

12.0

15.0

12.0

16.0

13.0

17.0

14.0

18.0

15.0

19.0

16.0

2200

2235.2

20.0

16.0

20.0

16.0

21.0

17.0

22.0

18.0

23.0

18.0

24.0

19.0

11.0

9.0

10.0

8.0

2700

2743.2

25.0

20.0

2800

2844.8

26.0

21.0

2900

2946.4

27.0

21.0

3000

3048.0

29.0

22.0

25.0

20.0

26.0

21.0

27.0

21.0

29.0

22.0









































































































Kinds of symbol

BULLETIN F-70