LNG/LPG/CNG Tanker Semi Trailer LPG002

Design, manufacturing and inspection standard

Design parameters

1, Pressure vessel GB150.1 to 150.4-2011
2, Fixed pressure vessel safety technology and supervision code TSG R0004-2009
3, Pressure vessel welding procedures of NB/T47015-2011
4 ,Coating, pressure vessel and transport packaging JB/T4731-2005
5, Steel horizontal vessel JB/T4731-2005
6, Cryogenic pressure equipments in low alloy steel forgings NB/T47009-2010

Category (Class)

Class III (A2)

Design pressure   Mpa

1.77

Maximum allowable working pressure         Mpa

1.85

Work pressure    Mpa

1.6

Material property

 explosive extreme highly moderate mild

Design temperature   ℃

50/-40

Earthquake intensity

 7     7    8    8    9

Working temperature (maximum/minimum) ℃

40/-38

0.10g 0.15g 0.20g 0.30g 0.40g

Material name

propane

Test

Hydraulic test pressure Mpa

2.32

Material density  Kg/m³

Air tightness test pressure  Mpa

1.77

Corrosion allowance   mm

1

Nondestructive testing
JB/T4730.1to.6-2005

A.B type welded joint

Detection method and technical level

 rayAB  B

Joint efficiency

1

 ultrasonic B   C

 Basic wind pressure value Pa

Detection ratio

100%

 Main pressure parts material

16MnDR

Qualified level

Class II

All capacitym³

50

C.D type welded joint

Detection method

 Magnetic powder or penetration

Filling coefficient

Detection ratio

100%

Safety valve set pressure Mpa

1.8

Qualified level

Class I

Insulation materials

E type welded joint

Detection method

 Magnetic powder or penetration

Insulation layer thickness  mm

Detection ratio

100%

Equipment net weight   Kg

to12485

Qualified level

Class I

Coating requirements

Surface rust removal and painted twice anticorrosive paint

Heat treatment requirements

Overall heat treatment furnace

Design Service life years

10