Things To Know About The Solenoid Valve

The solenoid valve is characterized as an electromagnetic valve or solenoid valves, as it requires an electric current to open and close its pin. It has a coil and a movable core with one of its ends connected to the valve housing utilizing a spring. They have been used for many years as a type of on / off switch for pneumatic systems.

Solenoid valve is classified according to its type of action, being characterized as direct or indirect. In a direct-acting valve, the solenoid is activated by an electric current, pulling the piston or piston, responsible for blocking the fluid or airflow. The indirect ones are controlled by a pilot that has the function of creating a small opening so that the pressure that will pass in the plunger will be responsible for controlling the valve seal.

They are also classified by the number of inputs and outputs of 2 ways (fluid control and pneumatic automation), three ways (diversion and convergence of fluids), four ways, and five ways (operation of fluids and double action actuators), and they can be monostable and bistable. There is a wide variety of solenoid valves, and the most used in injection systems are the direct ones, being the most used in high-pressure systems. ‘

The solenoid valve at belimo is process valves used for application in the industrial sector. They are used to open and close the passage of a fluid, water vapor, light oils, neutral gases, water, or compressed air. But the specific characteristics must always be observed, as they vary significantly, both the model and its specifications.

Some have a device that allows the passage of fluid or not. The closing process of the solenoid valve occurs when the coil loses energy, as the pin exerts a force through its weight and the spring it has installed.

In installing the solenoid valve, it is necessary to follow the correct form of its installation, having a CO2 inlet and outlet, following the manufacturer’s instructions so that the valve does not come with mechanical damage. It is necessary to observe the electrical current so that it is not installed at voltages other than the electrical network.

Safety Valves

The safety valve is an essential element in industries. Responsible for ensuring the safety of the systems against overpressure of air, water, gases, steam, fluids, and other chemical products. They act intensely in pressure vessels. The safety valve acts in a self-assessed manner, that is, alone. It does not need anyone to operate, as it is activated by itself, acting according to the pressure under which it is already opening automatically.

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