We will strictly demand ourselves and provide consumers with more high-end APL210 Limit Switch Box, Electric PVC Ball Valve, Pneumaic Actuator With Manual Override with perfect after-sales service. In order to quickly adapt to the development of economic globalization, we have gradually established an international production strategy in order to make full use of the advantages of different countries and regions in terms of production factor costs, logistics, resources and markets. We will unswervingly implement the business philosophy of 'customer first' and perfect the enthusiastic after-sales service. Our company has experienced design team and production team, advanced production technology, equipment and perfect process and we implement the most strict quality management system in the industry. Based on the enterprise concept of 'honesty, trustworthiness, professionalism and innovation', we strive for development with technology, survive with quality, serve every customer and devote ourselves to every product.

Description

The Electric Rotary Actuator 4-20mA is the actuator and control valve combination in the automatic control system. Its role in the automatic control system is to accept the signal from the regulator, to adjust the flow of the process medium in the position and characteristics of the process pipeline, so as to control the controlled number within the range required by the production process.

Specification

Model:  OHQ-005E~OHQ-200E (Explosion proof)

Torque Range: 50~2000Nm

Body Material: Aluminium Alloy 

Protection Class: IP67,IP68

Motion Range: 0-90°, 110°~270° customized

Ambient Temperature: -30º C~+60º C

Intelligent type with LCD screen and local control buttons

Voltage: 380V/220V/110V AC power or 24V/110V DC 

Working principle

At the gear stage, the engine speed can be transmitted to the output rod via two sets of gears. The final drive is made up of planetary gears and the secondary reducer is realized by a worm gear, which is held in a central position by a set of springs. In the event of an overload, that is, when the output rod exceeds the set torque of the spring, the central worm gear will axially shift, fine-tuning the switch and signal device to provide protection for the system.

Acted by the coupling of the externally controlled lever, the output rod is coupled to the worm gear during engine operation and coupled to the handwheel during manual operation. When the engine is not working, the motor drive can be easily disconnected and the handwheel can be connected by simply pressing the lever. Since the motor drive takes precedence over manual operation, a reverse action occurs automatically when the engine is started again. This will prevent the handwheel from turning on when the engine is running, which will help protect the Electric Rotary Actuator 4-20mA.

Our Rotary Type Electric-Pneumatic Valve Positioner is more competitive with other similar products in terms of quality, reliability and especially diversity. We take into account the aesthetic concept of users and pay more attention to ergonomic experience. On the road of future development, we will continue to explore and innovate technologies, and continuously improve product quality and service levels.

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