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AT51 Series

Ultra high precision electro-hydraulic actuator
AT51 SeriesUltra high precision electro-hydraulic actuator

AT51 Series

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

model
Rated thrust
kN
Maximum operating speed (mm/S)
Power module
A
B
C
D
2A
2B
2C
B+C
C+D
2D
Maximum power consumption
500W
1KW
2KW
5KW
1KW
2KW
4KW
3KW
7KW
10KW
AT51-16
16
21.67
47.67
/
/
43.33
/
/
/
/
/
AT51-30
32
10.83
23.83
45.50
/
21.67
47.67
/
/
/
/
AT51-40
40
8.67
19.07
36.40
/
17.33
38.13
/
55.47
/
/
AT51-50
50
6.93
15.25
29.12
/
13.87
30.51
58.24
44.37
/
/
AT51-63
63
5.50
12.11
23.11
46.22
11.01
24.21
46.22
35.22
/
/
AT51-80
80
/
9.53
18.20
36.40
8.67
19.07
36.40
27.73
54.60
/
AT51-100
100
/
7.63
14.56
29.12
6.93
15.25
29.12
22.19
43.68
/
AT51-125
125
/
6.10
11.65
23.30
5.55
12.20
23.30
17.75
34.94
46.59
AT51-160
160
/
/
9.10
18.20
/`
9.53
18.20
13.87
27.30
36.40
AT51-200
200
/
/
7.28
14.56
/
7.63
14.56
11.09
21.84
29.12
AT51-250
250
/
/
5.82
11.65
/
6.10
11.65
8.87
17.47
23.30
AT51-320
320
/
/
/
9.10
/
/
9.10
6.93
13.65
18.20
AT51-400
400
/
/
/
7.28
/
/
7.28
5.55
10.92
14.56
AT51-500
500
/
/
/
5.82
/
/
5.82
/
8.74
11.65
AT51-630
630
/
/
/
4.62
/
/
/
/
6.93
9.24
AT51-800
800
/
/
/
3.64
/
/
/
/
5.46
7.28


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