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Valve type and model number

2021-08-24

There are many kinds of valves, which are more common: gate valve, globe valve, butterfly valve, ball valve, plug valve, check valve, reducing valve, trap and so on. The valve model is mainly composed of seven numbers or letters, respectively, indicating the valve type, driving mode, connection mode, structure type, nominal pressure, sealing surface material and valve body material.



In our daily life, the valve is a common hardware, but there may be a lot of partners for the type and model of the valve is not too clear, let's have a look at it.


Valve type and model number

There are many kinds of valves, which are more common: gate valve, globe valve, butterfly valve, ball valve, plug valve, check valve, reducing valve, trap and so on. And type of valve is mainly made up of seven Numbers or letters, the first letter valve type, drive mode, the second number represents the third digital connection mode, the fourth figures show that the structure, the fifth the figures show that the nominal pressure, the sixth letter sealing surface material, the seventh letter body material.


Introduction to valves

Valve refers to the pipeline accessories used to open and close the pipeline, control the flow direction, adjust and control the parameters of the conveying medium. Valve is a control component in the pipeline fluid conveying system, used to change the path section and medium flow direction, with diversion, cut-off, throttling, check, shunt or relief pressure and other functions. The valve can be controlled by a variety of transmission modes, such as manual, electric, hydraulic, pneumatic, turbine, electromagnetic, electromagnetic hydraulic, electro-hydraulic, gas-hydraulic, spur gear, bevel gear drive, etc.



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