Model NO.:

MOOG G631

Temperature:

Ordinary Temperature

Certification:

ISO9001

Media:

Oil

Standard:

Standard

Power:

Hydraulic

Trademark:

Transport Package:

Paper Box

Specification:

Standard

Origin:

China

HS Code:

84818010

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

Overall and installation dimensions

Overall dimensions

Installation dimensions

*Requirement: Flatness less than 0.01mm, roughness below .

Comparison between Servo Valve Model and Moog Model

Certificate test

Moog G631 Weike Sfl218A Electric Hydraulic Servo Valve Replacement