ATOS Proportional Valve Supply and Sales in Atos, Italy

pressATOS Proportional Valve Supply and Sales in Atos, ItalyControl mode classification refers to the classification based on the electrical mechanical conversion mode in the pilot control valve of the proportional valve. Its electrical control part includes various forms such as proportional solenoid, torque motor, DC servo motor, etc.

(1) Electromagnetic electromagnetic valve refers to a proportional valve that uses a proportional electromagnet as an electrical mechanical conversion component. The proportional electromagnet converts the input current signal into force and displacement mechanical signals for output, thereby controlling parameters such as pressure, flow rate, and direction.

(2) Electric type refers to a proportional valve that uses a DC servo motor as an electrical mechanical conversion component. The DC servo motor converts the input electrical signal into rotational speed, and then outputs force and displacement through reduction devices and transformation mechanisms such as screw nuts, gear racks or gear camshafts, further controlling hydraulic parameters.

(3) Electro hydraulic refers to a proportional valve with a structure of a torque motor and nozzle baffle as the pilot control stage. Input different electrical signals to the torque motor and output displacement or angular displacement through the baffle connected to it (sometimes the armature of the torque motor is the baffle), change the distance between the baffle and the nozzle, and change the flow resistance of the oil sprayed from the nozzle, thereby controlling the transmission parameters.

I. Overview

As a brand in the field of fluid control, ATOS's proportional valve DLHZO-T-040-L7131 has become a product in many industrial applications due to its excellent dynamic and static characteristics. This proportional valve combines the high precision of servo valves with the ease of maintenance of proportional valves, providing features such as low sensitivity, low filtration requirements, high stability, ease of maintenance, and high reliability.

2、 Technical features

High precision control: DATOS Proportional Valve Supply and Sales in Atos, ItalyUsing precision machined sliding sleeve and four-way valve core structure, it can slide inside the sliding sleeve to achieve the highest covering accuracy. The valve core is controlled for closed-loop position by a proportional electromagnet integrated with an inductive electronic sensor LVDT, ensuring control accuracy.

Flow and pressure control: This proportional valve can continuously and proportionally control the flow and pressure of the hydraulic system based on the input electrical signal, and its output flow and pressure are not affected by load changes. At a pressure drop of 70 bar, the maximum flow rate can reach 40-100 L/min, suitable for various hydraulic control needs.

Multiple interface forms: DLHZO-T-040-L7131 proportional valve provides multiple interface forms, including - TE (analog integrated electronic amplifier), - TES (digital integrated electronic amplifier), - PS (RS232 serial communication interface), and - BP (PROFIBUS-DP interface), to meet the communication and control needs of different systems.

Anti vibration, anti impact, and anti environmental impact: The coil of this proportional valve is fully encapsulated in plastic (H-grade insulation), and the entire valve has the characteristics of anti vibration, anti impact, and anti environmental impact, which can operate stably in harsh industrial environments.

Easy maintenance and interchangeability: The integrated amplifier of DLHZO-T-040-L7131 proportional valve is pre tuned at the factory, ensuring excellent performance and valve valve interchangeability, simplifying wiring and installation processes, and reducing maintenance costs.

3、 Working principle

The working principle of DLHZO-T-040-L7131 proportional valve is based on the electromechanical conversion of proportional electromagnet and DC servo motor. The proportional electromagnet converts the input current signal into force and controls the position of the valve core through mechanical signal output, thereby achieving control over flow rate, pressure, and direction. Electric proportional valves, on the other hand, use DC servo motors as electromechanical conversion components to convert input electrical signals into rotational motion speed. Through reducers and conversion mechanisms such as screw nuts, gear racks, or gear camshafts, they output pressure and displacement to further control hydraulic parameters.

4、 Structural composition

The DLHZO-T-040-L7131 proportional valve mainly consists of the following parts:

Valve body: Five chamber valve body structure, with a sliding sleeve pressed into it, and the valve core sliding inside the sliding sleeve.

Proportional electromagnet: Integrated with inductive electronic sensor LVDT for closed-loop position control.

Four way valve core: precision machined and hardened to ensure coverage accuracy.

Electronic amplifier: provides an appropriate amount of current signal, calibrates the adjustment of the valve to correspond with the input signal.

Connection interface: including flange connection forms, as well as various communication and control interfaces.

5、 Application scenarios

DLHZO-T-040-L7131 proportional valves are widely used in industrial automation fields that require precise control of hydraulic system flow, pressure, and direction, such as:

Machine tool manufacturing: used to control the movement of oil cylinders of various machine tools, achieving precise positioning and machining accuracy.

Plastic Machinery: Used in plastic processing equipment such as injection molding machines and extruders to control the pressure and flow of hydraulic systems, ensuring the quality and production efficiency of plastic products.

Metallurgical industry: Used in hydraulic systems of metallurgical equipment such as steel and non-ferrous metals to control the movement of various hydraulic cylinders and achieve precise displacement and force control.

Shipbuilding: Used in hydraulic systems such as servos and anchors of ships to control rudder angles and anchor chain retraction, ensuring the safety and stability of ship navigation.

VI. Summary

The Atros proportional valve DLHZO-T-040-L7131 has become an important control component in industrial automation systems due to its high precision, multi interface form, and resistance to vibration and impact. By understanding its technical characteristics, working principles, structural composition, and application scenarios, readers can better understand and apply this high-performance proportional valve, providing strong support for the stable operation and precise control of industrial automation systems.