Control Valve,API 6A Valve,API 6D Valve-Cepai Group
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CEPAI GROUP CO., LTD.

Mobile:+86-17717522891
Wechat:17717522891
Tel:+86-21-54891500
Email:aires@cepai.com 

Headquarter: 15F, NO.2281, West Zhongshan Road, Shanghai, China.
Factory: No.333 West Jianshe Road, Jinhu Industrial Park, Huaian City, Jiangsu Province, China

NEWS

  • What is control valve
    2020-05-09

    What is control valve

    What is control valve? The control valve is used to regulate and control the flow, pressure and liquid level of the medium According to the signal of the adjusting position, the opening degree of the control valve is automatically controlled

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  • Pneumatic control valve flow characteristic introduction
    2020-05-09

    Pneumatic control valve flow characteristic introduction

    Pneumatic control valve flow characteristic introduction:The flow characteristic of the pneumatic control valve are linear, constant percentage and parabolic The meanings of the three flow characteristics are as follows:(1) Equal percentage flow

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  • How to reduce the air leakage rate of pneumatic vacuum ball valve
    2020-05-05

    How to reduce the air leakage rate of pneumatic vacuum ball valve

    How to reduce the air leakage rate of pneumatic vacuum ball valve:1 pump and pneumatic vacuum ball valve connected to the pipeline, the use of arc transition, so that the gas road is not blocked, can be unimpeded 2 as far as possible to avoid dead

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  • Pneumatic control valve error verification method
    2020-05-03

    Pneumatic control valve error verification method

    Pneumatic control valve error verification method:1 Pneumatic control valve Basic error verification,2 Pneumatic control valve return difference verification,3 Pneumatic control valveConsistent deviation verification The specified input signal is

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  • Debugging and adjusting procedures of pneumatic control valve
    2020-05-03

    Debugging and adjusting procedures of pneumatic control valve

    Debugging and adjusting procedures of pneumatic control valve:1, mechanical zero debugging and adjusting Pneumatic control valve input 4mA current signal, the control gas signal is 0 02mpa, the size of the cylinder stroke should be 0, if not 0

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  • Control valve routine maintenance
    2020-04-29

    Control valve routine maintenance

    Control valve routine maintenance The routine maintenance of the control valve is divided into two parts: tour inspection and regular maintenance The tour inspection of control valve is as follows Regularly clean the outside of the control valve

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  • Self-operated regulator introduction and installation attention
    2020-04-29

    Self-operated regulator introduction and installation attention

    Self-operated regulator introduction and installation attention Self-operated regulator is a new type of regulator Compared with manual control valve, Self-operated regulator has the advantage of automatic control;Self-operated regulator has the advantage

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  • Control valve type introduction
    2020-04-27

    Control valve type introduction

    Control valve type introduction:Control valve,also known as the regulating valve, general control valve type is electric control valve,pneumatic control valve, self operated control valve,pneumatic control valve body type through the acceptance of the

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  • Pneumatic control valve working condition
    2020-04-27

    Pneumatic control valve working condition

    As can be seen from the above pneumatic control valve: And the basic error and sensitivity of pneumatic control valve reach 0 5%, but it is essentially safe Pneumatic control valve is suitable for the occasions with high explosion-proof requirements

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  • Self-operated pressure control valve application notice
    2018-09-14

    Self-operated pressure control valve application notice

    (1) the pressure difference self-operated control valve should be matched with the pressure difference of the outer pipe network,(2) The selection of setting pressure difference setting of pressure difference self-operated control valve

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  • Electric control valve technical parameter instruction
    2018-09-13

    Electric control valve technical parameter instruction

    When we choose the electric control valve, we need know Electric Control Valve medium parameters,Electric Control Valve body parameters,Electric Control Valve Actuator parameters, then we can choose the suitable control valve for the clients

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  • The difference between full lift and low lift safety relief valve
    2018-09-07

    The difference between full lift and low lift safety relief valve

    What is the difference between full lift and low lift safety relief valve?we give you a brief introduction about the full lift and low lift safety relief valve Full lift safety relief valve: when the pressure at the entrance of the safety relief valve

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  • The setting pressure rating of safety relief valve
    2018-09-07

    The setting pressure rating of safety relief valve

    Setting pressure of safety relief valve is an important parameter of safety relief valve operation Setting of setting pressure is directly related to the safety of equipment operation The setting pressure rating of safety relief valve is as below:

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  • Different control valve application
    2018-09-06

    Different control valve application

    The control valve structure is divided into the following: single seat control valve, sleeve control valve, cage control valve, double seat control valve,3-way control valve, angle control valve The Specific control valve application is as follows:

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  • Steam pressure reducing valve work principle
    2018-09-06

    Steam pressure reducing valve work principle

    The steam pressure reducing valve is suitable for water, steam and air medium pipe By adjusting, the inlet pressure of steam pressure reducing valve is reduced to a certain outlet pressure When the inlet pressure and flow rate change

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  • How to calculate control valve diameter size
    2018-09-05

    How to calculate control valve diameter size

    How to calculate control valve diameter size ,let’s give you some brief introduction about how to confirm whether the diameter is suitable for the control valve

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  • High temperature control valve types selection
    2018-09-05

    High temperature control valve types selection

    High temperature control valve refers to the valve working temperature higher than 450 ℃ The high temperature can be divided into 450 ~ 600 ℃ and 600 ~ 700 ℃, 750 ℃ What are the main issues involved with the high temperature control valve

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  • Control valve types selection in paper industry
    2018-09-04

    Control valve types selection in paper industry

    How to choose correct types for rhe control valve in the paper industry ,let s introduce the control valve types selection In the paper industry, the choice of control valve is obviously different from other industries

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  • Angle control valve application
    2018-09-04

    Angle control valve application

    Angle control valve has a wide application in industry,this is the brief introduction about angle control valve application Angle control valve is special single seat structure, which is suitable for specific piping and flow requirements, the inner side

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  • Advantage and disadvantage of cage guided control valve
    2018-09-03

    Advantage and disadvantage of cage guided control valve

    The cage guided control valve has streamlined body access to increase flow capacity Control valve body internal parts can be replaced online The structural feature of the cage guided control valve is that the flexible metal gasket containing asbestos

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  • How to choose electric single seat control valve
    2018-09-03

    How to choose electric single seat control valve

    ZRHP or ZDHP electric single seat control valve is commonly used in the operation condition of the medium pressure difference is small, the pressure difference is not more than 0 4 MPa, the electric control valve diameter less than DN40,

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  • Control valve installation precautions
    2018-09-02

    Control valve installation precautions

    For the newly designed and installed control system, in order to ensure that the control valve can work normally when control valve is driven and the system can operate safely, the new control valve should first check whether the nameplate mark

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  • Pneumatic control valve accessories selection
    2018-09-02

    Pneumatic control valve accessories selection

    pneumatic control valve of the main accessories: control valve positioner, solenoid valve, control valve position feedback, air filtering pressure reducing valve, valve, pneumatic relay etc, the following describe principle of type selection of pneumatic

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  • Installation instructions for pneumatic control valve
    2018-09-01

    Installation instructions for pneumatic control valve

    The correct installation technology of pneumatic control valve shall always comply with the installation instructions and points of attention of the manufacturer of the pneumatic regulating valve Here is a brief summary of typical installation instruction

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  • How to conduct strength test for single seat control valve?
    2018-09-01

    How to conduct strength test for single seat control valve?

    The strength test of the single seat control valve is generally carried out on the valve test bench as shown in FIG 5-13 During the test, the pressure should gradually rise to the test pressure During the specified duration, the pressure should remain

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