Steel cylinders for the on-board storage of compressed natural gas as a fuel vehicles（CNG-1）

No.

Cylinder Type

According to standard

Working

Pressure, MPa

 Hyd. Test

Pressure, MPa

Volume

Nominal Outer Dia.

Design wall Thickness

Nominal Length

Nominal

Weight

Material

Neck

Thread

1

CNP20-V-232A

（ISO11439）

20

30

20

φ232

5.5

640+10  0

≤26.5

34CrMo4

W28.8

2

25.5

790+10  0

≤32

3

28

850+10  0

≤35

4

34

1025+15  0

≤40.5

5

CNP20-V-356A

（ISO11439）

20

30

50

φ356

8.2

708+15  0

≤65

34CrMo4

W28.8

6

57

785+15  0

≤71

7

65

875+15  0

≤78

8

70

930+15  0

≤85

9

77

1015+15  0

≤91

10

90

1165+15  0

≤102

11

113

1415+15  0

≤122

12

120

1500+15  0

≤129

13

130

1625+15  0

≤138

14

150

1835+15  0

≤156

15

CNP20-V-406A

（ISO11439）

20

30

85

φ406

9.5

920+15  0

≤102

34CrMo4

W28.8

16

95

990+15  0

≤108

17

100

1050+15  0

≤113

18

110

1130+15  0

≤120

19

120

1220+15  0

≤127

20

130

1310+15  0

≤136

21

145

1430+15  0

≤148

22

150

1480+15  0

≤152