Moog D633 Cross Reference Hydraulic Flow Electro- Valve Control Servo Valve

• Temperature: Ordinary Temperature
• Certification: ISO9001
• Media: Oil
• Standard: Standard
• Power: Hydraulic
• Name: Servo Valve
• Model NO.: D633
• Pressure: 2~28MPa
• Rate Flow Qn: 20L/Min
• Weight: 1.2kg
• Rated Current in: 10 Ma
• 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	2~28
Rated supply pressure Pn		MPa	21
Rated flow Qn()		L/min	20
Rated current In		mA	10
Hysteresis		%	≤0.2
Threshold		%	0.3
Nonlinearity		%	≤±7.5
Unsymmetry		%	≤±7.5
Pressure GAIN		%	>30
Internal leakage		L/min	≤1.5
Null bias		%	≤±1.5
Frequency response	Amplitude ratio with (-3dB)	Hz	≥30
	Phase lag with (-90°)	Hz	≥50
Working temperature		ºC	-15~100
Weight		kg	≈1.2

Overall and installation dimensions


Overall dimensions

Installation dimensions

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

	P	A	B	T	Y	F1	F2	F3	F4	G
	ф7.5	ф7.5	ф7.5	ф7.5	ф3.5	M5	M5	M5	M5	ф2
x	21.5	12.7	30.2	21.5	40.5	0	40.5	40.5	0	33
y	25.9	15.5	15.5	5.1	9	0	-0.75	31.75	31	31.75

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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