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JB/T 308-2004 China Valve Model Designation Method
China Valve model designation method is usually as per JB/T 308-2004, then what does the valve code mean?
In China, the valve model usually include the information of valve type, driving mode, connection type, valve structure, sealing surface material or lining material, the work pressure or the pressure code or the operating temperature, body material, it is composed by seven parts. If you have any questions about valve code problem, you can feel free to contact Welco Valve, our team will help you to understand.
For example, the first code is valve type, please see as below:
|
Valve type |
Code |
Valve type |
Code |
|
Spring-loaded Safety valve |
A |
Drain valve |
P |
|
D |
Ball valve |
Q |
|
|
Diaphragm valve |
G |
Steam trap |
S |
|
Lever safety valve |
GA |
Plunger valve |
U |
|
H |
Plug valve |
X |
|
|
J |
Reducing pressure valve |
Y |
|
|
Choke valve |
L |
Z |
For example, the driving code, please see as below:
|
Driving type |
Code |
Driving type |
Code |
|
Electromagnetic |
0 |
Bevel gear |
5 |
|
Electromagnetic-hydraulic |
1 |
Pneumatic |
6 |
|
Electro-hydraulic |
2 |
Hydraulic |
7 |
|
Worm gear |
3 |
Pueumatic-hydraulic |
8 |
|
Spur gear |
4 |
Electric |
9 |
|
Note: For code 1, 2 and 8, it need two driving source to operate the valve. |
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