ATOS proportional valve RZGO-AEB-NP-033/315/I 10 in stock
$318.94
The purpose of Italian ATOS proportional valves or servo valves is to achieve flow throttling control through electronic means (of course, pressure control can also be achieved through structural modifications). Since it is throttling control, there will inevitably be energy loss. The difference between servo valves and other valves is that their energy loss is greater because they require a certain flow to maintain the operation of the pre-stage control circuit.
Brand
ATOS/Italian Atos
ATOS Proportional Valve Structure and Principle:
When the input signal to the ATOS proportional valve increases, the pilot valve 1 of the supply solenoid valve switches, while the exhaust solenoid pilot valve 7 remains in the reset state. The supply pressure then enters the pilot chamber 5 from the SUP port through valve 1. The pilot chamber pressure rises, and this pressure acts on the diaphragm 2, opening the supply valve core 4 connected to diaphragm 2 and closing the exhaust valve core 3, generating output pressure. This output pressure is fed back to the control circuit 8 via pressure sensor 6. Here, a rapid comparison and correction is performed with the target value until the output pressure is proportional to the input signal, thus demonstrating that the output pressure changes proportionally to the change in the input signal. Because there is no nozzle-baffle mechanism, the valve is insensitive to impurities and has high reliability.
ATOS Proportional Valve Structure and Principle
When the input signal to the ATOS proportional valve increases, the pilot valve 1 of the supply solenoid valve switches, while the exhaust solenoid pilot valve 7 remains in the reset state. The supply pressure then enters the pilot chamber 5 from the SUP port through valve 1. The pilot chamber pressure rises, and this pressure acts on the diaphragm 2, opening the supply valve core 4 connected to diaphragm 2 and closing the exhaust valve core 3, generating output pressure. This output pressure is fed back to the control circuit 8 via pressure sensor 6. Here, a rapid comparison and correction is performed with the target value until the output pressure is proportional to the input signal, thus demonstrating that the output pressure changes proportionally to the change in the input signal. Because there is no nozzle-baffle mechanism, the valve is insensitive to impurities and has high reliability.
The ATOS proportional directional valve is a type of proportional valve used to control flow rate and direction.
Extended Information---Automatic control of electrical proportional valves can be divided into intermittent control and continuous control. Intermittent control is also known as on/off control. Pneumatic control systems use on/off directional valves with low operating frequencies to control the opening and closing of the air path. Traditional pneumatic control systems rely on pressure-reducing valves to regulate the required pressure and throttle valves to regulate the required flow rate. To achieve multiple output forces and speeds, such systems require multiple pressure-reducing valves, throttle valves, and directional valves. This not only increases the number of components, raising costs and complicating the system, but also necessitates manual adjustment of many components beforehand. Electro-proportional valve control is a continuous control method, characterized by output varying proportionally to input. Proportional control can be open-loop or closed-loop.
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American brands: MOOG, ASCO, MAC, NUMATICS, PARKER, Vickers, Helón (Norgren)
Italian brands: OMAL, ATOS, CAMOZZI, UNIVER, Camozzi
