AVAR Smart Quarter-turn Electric Valve Actuator
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Product Overview
The economical quarter turn electric actuator achieves an ideal balance between outstanding cost-effectiveness and core intelligent functions. This series is optimally designed based on the mature AVAT platform, effectively controlling costs through precise simplification of structure and functions, while retaining key intelligent configurations including non-intrusive commissioning, LCD screen and menu-driven operation.
Its valve position measurement adopts a highly reliable absolute encoder design, ensuring precise position control and long service life, which makes the economical series demonstrate significant performance and technical advantages among products at the same price level. Despite being positioned as an economical type, it is essentially a fully functional intelligent electric actuator.
Relying on its excellent practicality and cost-effectiveness, the economical series has become an ideal choice for large-scale applications in environmental protection and industrial fields such as desulfurization, denitrification, and water treatment.
Key Features
In order to meet the demand of the market, Greatork has developed AVAR series quarter-turn electric actuator on the basis of AVAT series actuator.
AVAR series actuator with the torque range from 50Nm to 500Nm, has the characteristics of smart, simple structure, complete function, reliable quality and competitive price.
AVAR series actuator simplifies parts function of AVAT range without lowering its performance and introduces dot matrix LCD as well as absolute encoder to make it more personified.
Non-intrusive design.
Auto phase correction.
Instantaneous reversal protection.
Motor overheating protection.
4 sets of indication contacts.
Analog position control (option).
Fieldbus (option).
Button setting of parameters: AVAR actuator changes the parameter setting mode and uses the push button to set parameters instead of infrared setting tool which is used by AVAT.
High-brightness industrial LCD display: AVAR series adopt high-brightness large-screen LCD display which can show Chinese or English menu clearly.
Absolute encoder measurement of valve position: AVAR range actuator takes advanced 12-bit hall magnetic absolute encoder,which can record the valve position accurately without battery when the power is off. The accuracy of the valve position measurement can be 0.08°.
Product Close-ups
Precision-engineered components, inspected to the last detail.

01 / 09
Smart actuator front view
Manufacturing Process
A four-stage workflow covering Production, Assembly, Factory Testing, and Packaging and Transportation.






Actuator Certificates







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Full OEM/ODM capabilities for extreme temperatures (-60°C), special protocols, and custom mounting interfaces. From concept to delivery.
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Electro-Hydraulic Actuator
Output: 3kN-700kN
IP66/IP68 | SIL2

