Metric 
Specifications
Size

Inch 
Specifications
Size

Inside Diameter
I.D

Enhancement
Layer Diameter
W.D

Outside Diameter
O.D

Max.Working Pressure
W.P

Test Pressure
P.P

Min. Burst Pressure
B.P

Min. Bend Radius
Min B.R

Weight
W.T

2ST

2SN

mm

Inch

Min

Max

Min

Max

Min

Max

Max

Mpa

Psi

Bar

Mpa

Psi

Bar

Mpa

Psi

Bar

Inch

mm

Kg/m

5

3/16

4.6

5.4

10.6

11.6

15.1

16.7

14.1

41.5

6020

415

83.0

12035

830

165.0

23295

1650

3.54

90

0.32

6.3

1/4

6.2

7.0

12.1

13.3

16.7

18.3

15.7

40.0

5800

400

80.0

11600

800

160.0

23200

1600

3.94

100

0.36

8

5/16

7.7

8.5

13.7

14.9

18.3

19.9

17.3

35.0

5075

350

70.0

10150

700

140.0

20300

1400

4.53

115

0.45

10

3/8

9.3

10.1

16.1

17.3

20.6

22.2

19.7

33.0

4785

330

66.0

9570

660

132.0

19140

1320

5.12

130

0.54

12.5

1/2

12.3

13.5

19.0

20.6

23.8

25.4

23.0

27.5

3990

275

55.0

7975

550

110.0

15950

1100

7.09

180

0.68

16

5/8

15.5

16.7

22.2

23.8

27.0

28.6

26.2

25.0

3625

250

50.0

7250

500

100.0

14500

1000

7.87

200

0.80

19

3/4

18.6

19.8

26.2

27.8

31.0

32.6

30.1

21.5

3120

215

43.0

6235

430

85.0

12325

850

9.45

240

0.94

25

1

25.0

26.4

34.1

35.7

38.5

40.9

38.9

16.5

2390

165

32.5

4710

330

65.0

9425

650

11.81

300

1.35

31.5

1-1/4

31.4

33.0

43.2

45.6

49.2

52.4

49.5

12.5

1810

125

25.0

3625

250

50.0

7250

500

16.54

420

2.15

38

1-1/2

37.7

39.3

49.6

52.0

55.6

58.8

55.9

9.0

1305

90

18.0

2610

180

36.0

5220

360

19.69

500

2.65

51

2

50.4

52.0

62.3

64.7

68.3

71.4

68.6

8.0

1160

80

16.0

2320

160

32.0

4640

320

24.80

630

3.42