EJ/T 306-1994 English PDF (EJT306-1994)

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EJ/T 306-1994: 1000-liter UF6 containers
EJ/T 306-94
EJ
Nuclear Industry Standard
of the People’s Republic of China
Replacing EJ/T 306-88
1,000-liter UF6 containers
1000升六氟化铀容器
ISSUED ON. MARCH 7, 1994
IMPLEMENTED ON. AUGUST 1, 1994
Issued by. China National Nuclear Corporation
Table of Contents
1 Subject content and applicable scope ... 3 
2 Normative references ... 3 
3 Provisions on the main technical parameters of containers (see Table 1) .. 3 
4 Provisions on structural type and dimensions (see Fig 1 and 2) ... 4 
5 Provisions on the main materials of containers (see Table 2) ... 5 
6 Provisions on manufacturing, tests, acceptance, application and
transportation ... 5 
7 Construction drawing number ... 5 
Additional information... 6 
1,000-liter UF6 containers
1    Subject content and applicable scope 
This Standard specifies the structural type, dimensions, main technical
parameters, and main materials of 1,000-liter UF6 containers.
This Standard applies to the containers that use depleted gaseous and solid
uranium hexafluoride as medium.
2    Normative references 
GB 912 Technical conditions of the sheet steels of ordinary carbon structural
steels and low alloy structural steels
GB 1220 Stainless steel bars
GB 3280 Cold rolled stainless steel sheets and plates
GB 3531 Technical conditions of the thick low alloy steel plates for low
temperature pressure vessels
GB 8163 Seamless steel tubes for liquid service
EJ/T 155 Flange vacuum valves (Dg25)
EJ 157 Torpedo vacuum valves (Dg65)
EJ 190 Technical conditions of steel vessels
EJ/T 307 Regulations for application of UF6 containers
3    Provisions on the main technical parameters of containers (see 
Table 1) 
Table 1 Main Technical Parameters
Volume (L)
Design
Pressure
Working
Pressure
Design
Temperature
Working
Temperature
Structural
Type Valve Weight
Internal
Pressure
External
Pressure Vacuum
Pa
(Absolute Pressure)
Maximum Pressure
MPa
(Gage Pressure)
Lowest (°C)
Highest (°C)
Lowest (°C)
Highest (°C)
Division Plate
Valve
Inlet D
N 65
EJ/T 157
Outlet D
N 25
EJ/T 155
kg
MPa
(Gage Pressure) Type I
Type II
Type I
Type II
Type III
Type I
Type II
1,000 0.5 0.3 0.1 13 0.1 -40 120 -40 120
Horizontal
Vertical
None
Internal
Pressure
MPa
(Gage
Pressure)
0.1 0.4
4    Provisions on structural type and dimensions (see Fig 1 and 2) 
Figure 1 Type I
Thermowell
Inlet Outlet
K-directional View
Figure 2 Type II
5    Provisions on the main materials of containers (see Table 2) 
Table 2 Main Materials of Containers
Container
Name Material Designation Material Standard No.
Cylinder Sealing-head 16MnDR GB 3531
Division Plate 16Mn GB 912
Tube 16Mn GB 8163
Liner 5265 –
6    Provisions  on  manufacturing,  tests,  acceptance,  application 
and transportation 
The manufacturing, tests and acceptance shall be conducted according to the
provisions of EJ 190. The application shall be conducted according to the
provisions of EJ/T 307. The transportation shall be conducted according to the
provisions of GB 11806.
7    Construction drawing number 
1,000-liter Type I (or Type II) UF6 containers EJ/T 306-I (or EJ/T 306-II)
Inlet Outlet
K-directional View
Additional information. 
This Standard was proposed by the Bureau of Nuclear Fuel of China National
Nuclear Corporation.
Responsible drafting organization of this Standard. 7th Research and Design
Institute of China National Nuclear Corporation.
Main drafters of this Standard. Wu Zhaopei and Wang Litong.
This Standard was first released in June 1988.
This Standard was first revised in September 1992.