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05-19

Electric control valve in the installation of the use of several aspects to pay attention

In the field of use, many often not because of the quality of the control valve itself caused, but on the control valve device caused by improper use, such as the device environment, device orientation and direction is not appropriate or the pipeline is not clean and other reasons. Therefore, the electric control valve in the device should pay attention to the following aspects:

Electric control valve in the installation of the use of several aspects to pay attention

05-12

Key points of construction and installation of electric control valve

What are the key points of the construction equipment of the gas regulating valve? Origin of the regulating valve manufacturer: Date: 2015-4-68:22:011. The equipment orientation, height and import and export direction of the gas regulating valve must meet the requirements of the port direction planning, and the connection should be strong and tight.

Key points of construction and installation of electric control valve

05-07

Maintenance, installation and use of pneumatic control valve

Pneumatic control valve by the common pneumatic actuator and control valve connection after installation and commissioning of the combination. Pneumatic control valve installation and debugging is extremely important, this paper mainly introduces the pneumatic control valve installation details and skills: the installation process should always comply with the pneumatic control valve installation counseling and attention points.

Maintenance, installation and use of pneumatic control valve

04-29

Installation principle of pneumatic control valve and electric control valve

Different control valves have different device requirements, pneumatic control valve and electric control valve device guidelines and what are the precautions? Xiaobian today and we talk about. pneumatic control valve device guidelines: 1 The position of the pneumatic control valve device is required to have a certain height from the ground, and a certain space should be left up and down the valve for disassembly, assembly and repair of the valve. Regarding the regulating valve equipped with pneumatic valve positioner and handwheel, it is necessary to ensure the convenience of operation, investigation and adjustment.

Installation principle of pneumatic control valve and electric control valve

04-24

Faults and inspection methods of solenoid valves

Solenoid valve fault will directly affect the switching valve and regulating valve action, the common fault is the solenoid valve does not act, we should be from the following aspects of the investigation:

Faults and inspection methods of solenoid valves

04-15

Matters needing attention in the selection of pneumatic ball valve

Pneumatic ball valve selection three key points of attention cylinder structure diagram the third key point: pneumatic accessories selection solenoid valve: double-acting cylinder one matching two-position five-way solenoid valve or three-position five-way solenoid valve. The single-acting cylinder can be equipped with a two-position three-way solenoid valve. Voltage can choose DC24V,AC220V, etc. Explosion protection requirements should be considered.

Matters needing attention in the selection of pneumatic ball valve

04-08

Several Methods of Correct Selection of Electric Control Valve

Water supply valve main and auxiliary boiler water supply valve, composite water supply control valve control requirements: control boiler water supply, adhere to the boiler liquid level and steam flow. Working condition requirements: when the boiler is claimed, the valve pressure difference can reach 100-300kg, the flow rate is small, the pressure difference is small during normal operation, the flow rate is large, and the adjustable ratio of flow rate is WCB/WC9. regarding the demand of the claimed valve in the double valve system for cavitation resistance and class v closing grade, the composite water feed valve needs to use characteristic valve trim to satisfy the demand of the boiler and normal operation. General valve selection for the shortcomings off. Boiler feed pump small flow circulation valve control requirements.

Several Methods of Correct Selection of Electric Control Valve

04-02

Explore the working principle of pneumatic control valve

The pneumatic conditioning valve uses compressed air as the power source, takes the cylinder as the actuator, and drives the valve with the help of electric valve positioner, converter, solenoid valve, holding valve and other accessories to complete the switching value or proportional conditioning, and receives the control signal of the industrial automation control system to complete the conditioning pipeline medium: flow, pressure, temperature and other process parameters. Pneumatic conditioning valve is characterized by simple control, rapid response, and intrinsically safe, no need to take additional explosion-proof measures. First of all, admit whether the pressure of the air source is normal, and look for the fault of the air source. If the pressure of the gas source is normal, judge the amplifier of the positioner or the electric/gas converter.

Explore the working principle of pneumatic control valve

03-26

What to do to prepare the pneumatic conditioning valve before the device

What to do to prepare the pneumatic conditioning valve before the device

03-04

Electric valves and pneumatic valves are really different

Electric valves are the primary accessories of electric actuators, namely electric actuators, which are mainly used in power plants or nuclear power plants. Due to the demand for a smooth, stable and slow process in high-pressure water systems. The primary advantage of the electric actuator is the high stability and the stable thrust that the user can use. The maximum thrust of the actuator can be as high as 225000kgf, and only the hydraulic actuator can reach such a large thrust.

Electric valves and pneumatic valves are really different

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