Hot Recommended Cross Reference Moog 31 Servo Valve

• Customization: Available
• Temperature: Ordinary Temperature
• Certification: ISO9001
• Model NO.: Moog 31
• 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	20
Rated current In		mA	40
Hysteresis		%	≤4
Threshold		%	≤0.5
Nonlinearity		%	≤±5
Unsymmetry		%	≤±5
Pressure gain		%	>30
Internal leakage		L/min	≤2.0
Null bias		%	≤±1
Null shift with temperature (ΔT=56ºC)		%	≤±2
Null shift with supply pressure of  (80~110%) Pn		%	≤±2
Null shift with return pressure of  (0~20%) Pn		%	≤±2
Frequency response	Amplitude ratio with (-3dB)	≥100	≥100
	Phase lag with (-90°)	≥100	≥100
Working temperature		ºC	-15~100
Weight		kg	≈0.4

 Electrical interface

 

Item	Unit	Single coil	Parallel coil	Series coil
Coil resistance	Ω	100	50	200
Rated current	mA	40	40	20
Coil inductance	H	1	0.5	2

Overall and installation dimensions

Overall dimensions

Installation dimensions

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

	P	A	B	T	G	F1	F2	F3	F4
	Ф5	Ф5	Ф5	Ф5	ф3	M5	M5	M5	M5
X	21.7	11.8	31.6	21.7	11.8	0	43.4	43.4	0
Y	7.2	17.1	17.1	27	4.3	0	0	34.2	34.2

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

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