WK-HYDRAULIC

WK servo valve SFL212

Short Description:

Place of Origin: Shanghai, China (Mainland)
Brand Name: WK-Hydraulic
Warranty: 1 Years, 12months
OE NO.: Customized
Size: Standard Size
Product name: hydraulic oil filter
Fluid comp: mineral oil
Application: Hydraulic filter system
Certificate: ISO9001:2015
Function: Pressure filter
Type: Other
Supply Ability: 8000 Unit/Units per month


Product Detail

FAQ

Product Tags

WK P/N  MOOG P/N 
SFL218 Series MOOG 760/761 Series
SFL218A Series MOOG G631 Series
SFL218B Series MOOG 06 Series And P&T EL-T76.00.MO
SFL214216 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 MOOG 792 Series
SFL316 Series MOOG 791 Series
SFD234 Series MOOG D661 Series

 SFL212 Electro-hydraulic Flow Control Servo Valve

Performance indices

Item

Unit

Index

Supply pressure Ps

MPa

225

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=56℃)

%

≤±2

Null shift with supply pressure of (80110%) Pn

%

≤±2

Null shift with return pressure of (020%) Pn

%

≤±2

Frequency

response

Amplitude ratio with (-3dB)

Hz

≥100

Phase lag with (-90°)

Hz

≥100

Working temperature

-15100

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

1

Overall and installation dimensions

Overall dimensions

2

Installation dimensions

3

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

0 P A B T G F1 F2 F3 F4
  Ф5 Ф5 Ф5 Ф5 ф3 M4 M4 M4 M4
X 22 14 30 22 32 0 44 44 0
Y 9 17 17 25 29 0 0 34 34

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