Moog G631 Weike Sfl218A Electric Hydraulic Servo Valve Replacement

Product Details
Customization: Available
Temperature: Ordinary Temperature
Certification: ISO9001
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Management System Certification
ISO9001:2015
Export Year
2015-01-01
  • Moog G631 Weike Sfl218A Electric Hydraulic Servo Valve Replacement
  • Moog G631 Weike Sfl218A Electric Hydraulic Servo Valve Replacement
  • Moog G631 Weike Sfl218A Electric Hydraulic Servo Valve Replacement
  • Moog G631 Weike Sfl218A Electric Hydraulic Servo Valve Replacement
  • Moog G631 Weike Sfl218A Electric Hydraulic Servo Valve Replacement
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Basic Info.

Model NO.
MOOG G631
Media
Oil
Standard
Standard
Power
Hydraulic
Transport Package
Paper Box
Specification
Standard
Trademark
WK
Origin
China
HS Code
84818010
Production Capacity
50000PCS/Year

Product Description

Performance indices

 
Item Unit Index
Supply pressure Ps MPa 2~31.5
Rated supply pressure Pn MPa 21
Rated flow Qn () L/min 40
Rated current In mA 40
Hysteresis % ≤3
Threshold % ≤1
Nonlinearity % ≤±10
Unsymmetry % ≤±10
Pressure gain % >30
Internal leakage L/min ≤2
Null bias % ≤±2
Null shift with temperature (ΔT=56ºC) % ≤±4
Null shift with supply pressure of
 (80~110%) Pn
% ≤±4
Null shift with return pressure of
 (0~20%) Pn
% ≤±4
Frequency
response
Amplitude ratio with (-3dB) ≥50 ≥100
Phase lag with (-90°) ≥60 ≥100
Working temperature ºC -15~100
Weight kg ≈2.8


 Electrical interface

 
Item Unit Single coil Parallel coil Series coil
Coil resistance Ω 80 40 160
Rated current mA 40 40 20
Coil inductance H 0.72 0.36 1.44


Overall and installation dimensions


Overall dimensions



Installation dimensions

*Requirement: Flatness less than 0.01mm, roughness below   .
  P A B T T2 X F1 F2 F3 F4
  ф11.5 ф11.5 ф11.5 ф11.5 ф11.5 ф6.3 M6 M6 M6 M6
X 27.0 16.7 37.3 3.2 50.8 -9 0 54.0 54.0 0
Y 6.3 21.4 21.4 32.5 32.5 6.3 0 0 46.0 46.0



Comparison between Servo Valve Model and Moog Model

                                    
WK    Model MOOG   Model
SFL218        Series MOOG 760/761 Series
SFL218A      Series MOOG G631    Series
SFL218B      Series MOOG062        Series (PLASSER)
SFL214,216  Series MOOG 072      Series
SFL212A      Series MOOG 30        Series
SFL212/B     Series MOOG 31        Series
SFZ141         Series MOOG D633    Series
SFZ142         Series MOOG D634    Series
SFL317        Series MOOG792        Series
SFL316        Series MOOG791        Series
SFD234        Series MOOG D661    Series


Certificate test


Moog G631 Weike Sfl218A Electric Hydraulic Servo Valve Replacement
 

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