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  • 14/Feb

    2023

    Valve Specification Requirements

    1. The model of the valve should indicate the national standard number requirements based on. If it is a corporate standard, the relevant description of the model should be indi...

  • 11/Jan

    2023

    Assembly Requirements For Valves

    The cleaned components must be sealed and stored for installation. The requirements for the installation process are as follows: 1. The installation workshop must ensure cleanli...

  • 14/Dec

    2022

    Installation Requirements For Valves

    1. Before installing the valve, carefully check whether the model and specifications of the valve used match the design; 2. Check and compare whether the valve can be applied un...

  • 23/Nov

    2022

    Classification Of Valves By Valve Body Material

    (1) Metal material valve: Its valve body and other parts are made of metal material. Such as cast iron valves, cast steel valves, alloy steel valves, copper alloy valves, alumin...

  • 14/Sep

    2022

    Classification Of Valves By Connection Method

    (1) Threaded valve: The valve body is equipped with internal or external threads, which are connected to pipeline threads (2) Flange connected valve: The valve body is equipped ...

  • 24/Aug

    2022

    Classification Of Valves Based On Structural Characteristics

    The structural characteristics of valves can be divided into: (1) Gate shaped: the closing element moves along the center of the valve seat; Such as shut-off valves (2) Cocks an...

  • 09/Aug

    2022

    Classification Of Valves By Driving Method

    According to the driving method, it can be divided into automatic valve type, power driven valve type, and manual valve type. By nominal diameter (1) Small diameter valve: valve...

  • 12/Jul

    2022

    Valves Are Classified According To Operating Temperature

    (1) Ultra low temperature valve: used for valves with medium working temperature t<-101 ℃. (2) Normal temperature valve: used for valves with medium operating temperature of ...

  • 15/Jun

    2022

    Valves Are Classified According To Nominal Pressure

    (1) Vacuum valve: Refers to a valve with a working pressure lower than standard atmospheric pressure. (2) Low pressure valve: refers to a valve with a nominal pressure PN ≤ 1.6M...

  • 17/May

    2022

    Classification Of Valves - Special Purpose Categories

    Special purpose categories include pigging valves, vent valves, drain valves, exhaust valves, filters, etc. Exhaust valves are essential auxiliary components in pipeline systems...

  • 14/Apr

    2022

    Classification Of Valves - Vacuum Type

    The vacuum category includes vacuum ball valves, vacuum baffle valves, vacuum inflation valves, pneumatic vacuum valves, etc. The vacuum system components used to change the dir...

  • 17/Mar

    2022

    Classification Of Valves - Regulating Valves

    The pressure difference between the front and rear of the valve is constant. When the opening of a regular valve changes within a large range, its flow rate does not change much...