AT51 Series

Ultra high precision electro-hydraulic actuator

Advantages

● Unique dual-power servo pump control design, high-speed ultra-high precision adjustment	● Modular design, flexible combination of different specifications to meet load requirements
● Intelligent electronic control, visual interface, rich functions, to meet various process requirements	● Independent hand pump module for easy commissioning and emergency operation
● High reliability, low energy consumption and low maintenance cos	● Flexible installation method, which can be installed as a whole or separately, adapting to complex site conditions
● Reliable protection and explosion-proof performance	● Fast response capability, large speed adjustment range
● Fully enclosed self-contained oil source	● Multiple power supply options, wide ambient temperature range, with heat tracing
● All electrical isolation signal interface

The main function

● Ultra-precision valve position adjustment function	● Remote control jog, remote control long-distance and remote control analog adjustment function
● Lock the home position when the operation is stopped, and lock the home position when the power is off	● Fault linkage function
● On-the-spot, on-site long-moving function	● Minimum opening limit function
● Fault self-diagnosis function	● PST partial stroke test function
● On-site installation verification positioning and parameter setting function	● Full-open, full-close and valve position status feedback
● Programmable segment speed control function	● Fault alarm and reset function

Technical parameters

● Power supply (optional): DC: 24V; 48V; 72V AC (50/60Hz): 110VAC/1P; 220VAC/1P; 380VAC/3P; 400VAC/3P; 415VAC/3P	● Adjusting linearity: ≤0.1%
● Thrust range (Linear Type): 16KN~800KN	● Repeat error: ≤0.1%
● Protection level: IP66	● Control signal accuracy: ≤0.1%
● Explosion-proof Level: ExdIIBT4	● Position return accuracy: ≤0.1%
● Switching control signal: dry contact or 24VDC active	● Dead zone setting: ≤0.05%~5.0%
● Analog control signal: 4-20 mA/dc or 20-4 mA/DC	● Hysteresis time: ≤0.2s
● Switching signal: Dry contact SPDT/3A	● Frequency response: >3Hz
● Position feedback signal: 4-20mA/DC active	● Noise: ≤80dB
● Adjustment accuracy: ≤0.1%	● Automatic heating (optional): 10°C to 18°C
● Electrical interface: NPT1 1⁄2(F), NPT3/4(F), NPT1/2(F)	● Ambient temperature: -40°C to 60°C

Structure diagram

Hydraulic schematic

Electrical wiring diagram

选型参考
AT51-80-ME-300-XXXX

AT	5	1	-80	-M	E	-300	-xxxx
Aero Electro-Hydraulic Actuator	5: Ultra High Precision type	1: Linear	Thrust series	M: Modulate O: ON/OFF	E: Explosion Protection W: Waterproof	Stroke mm	Special specifications

AT51 series linear electro-hydraulic actuator