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SECTION 21 -
SPENCER FRANKLIN HYDRACLAMP, HYDRAULICS
AND PNEUMATICS
WDS
WDS
www.wdsltd.co.uk21-33
&
0845 606 66 77
•
:
www.wdsltd.co.uk•
*
sales@wdsltd.co.ukHollow Cylinders Flange Mounted
Double Acting
SF-3421F-3425F
S P.C.D.
45°
M P.C.D.
R HOLES 4-OFF
N HOLES 4-OFF
A
B
C
F
G
H
J
K
L
P
E
T
D PORTS
TECHNICAL INFORMATION
-
Max Operating Pressure =
275 BAR
T
heoretical Thrust (N) =
Oil Pressure (bar) x Effective Area (cm²)
Other strokes available on request
A B C
D
B.S.P.
E
F
G
H
J
K L (f7)
M WDS No.
63 47 0.5
1
⁄
8
"
11 6.8
M8x1.25x15mm
Deep
16 76
1
18 32 SF-3421F
85 65 0.5 ¼"
13 10.2
M12x1.75x18mm
Deep
25 110 1
33 50 SF-3422F
94 80 0.5 ¼"
14 17.5
M20x2.25x18mm
Deep
35 140 1
40 56 SF-3423F
110 95 0.5
3
⁄
8
"
17 21
M24x3.0x25mm
Deep
45 152 1
50 78 SF-3424F
144 114.3 0.5
3
⁄
8
"
20 26.5
M30x3.5x28mm
Deep
56 170 1
60 90 SF-3425F
Dimensions in mm
Stroke
Effective
Push Area
cm²
Swept
Push
Volume
cm³
Effective
Pull Area
cm²
Swept Pull
Volume
cm³
WDS No.
N
P
R
S T
M5x0.8x10mm
Deep
12
5.5mm DIA THRO' C/BORED
9mm DIA x 5mm DEEP
62 27 8
4.12 3.3
2.9
2.3 SF-3421F
M10x1.5x15mm
Deep
18
8mm DIA THRO' C/BORED
14 DIA x 8mm DEEP
90 34 15 9.39 14.08 6.43
9.6 SF-3422F
M10x1.5x15mm
Deep
20
11mm DIA THRO' C/BORED
17mm DIA x 10mm DEEP
110 38 20 14.72 29.44 10.01 20 SF-3423F
M12x1.75x20mm
Deep
24
13mm DIA THRO' C/BORED
19mm DIA x 12mm DEEP
125 40 25 23.12 57.8 15.27 37.2 SF-3424F
M12x1.75x20mm
Deep
27
13mm DIA THRO' C/BORED
19mm DIA x 12mm DEEP
140 43 50 37.69 188.4 25.64 128.2 SF-3425F
Re
fer to page 21-46 & 21-47 for
more technical information