Rubber tube code number
（Layer - inside diameter - working pressure）

Rubber tube inside diameter
mm

Enhancement layer（Layer）

Diameter pipes
mm

Enhancement layer diameter
mm

Work pressure
MPa

Test pressure
MPa

Blasting pressure
MPa

Minimum bending radius
mm

Length delivery
m

Ø10×4S——70

10

4

23±0.5

70

140

210

150

20

Ø13×4S——60

13

4

26±0.5

60

120

180

210

20

Ø16×4S——55

16

4

30±0.5

55

110

165

235

20

Ø19×4S——46

19

4

34.0±0.5

46

92

140

280

20

Ø25×4S——40

22

4

41±0.5

40

80

112

360

20

Ø32×4S——35

25

4

48.0±0.5

35

53

96

460

20

Ø38×4S——29

38

4

54±0.8

29

44

75

560

20

Ø51×4S——25

51

4

69±0.5

25

38

70

710

20