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SECTION 21 -
SPENCER FRANKLIN HYDRACLAMP, HYDRAULICS
AND PNEUMATICS
WDS
&
0845 606 66 77
•
:
www.wdsltd.co.uk•
*
sales@wdsltd.co.uk21-32
WDS
www.wdsltd.co.ukHollow Cylinders Double
Acting
SF-3421-3425
M P.C.D.
45°
N HOLES 4-OFF
A
B
G
H
K
C
L
F
E
J
D PORTS
3421
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 27
1
18 32
SF-3421
85 65 0.5 ¼"
13 10.2
M12x1.75x18mm
Deep
25 34
1
33 50
SF-3422
94 80 0.5 ¼"
14 17.5
M20x2.25x18mm
Deep
35 36
1
40 56
SF-3423
110 95 0.5
3
⁄
8
"
17 21
M24x3.0x25mm
Deep
45 40
1
50 78
SF-3424
144 114.3 0.5
3
⁄
8
"
20 26.5
M30x3.5x28mm
Deep
56 53
1
60 90
SF-3425
N
Stroke
Effective Push
Area cm²
Swept Push
Volume cm³
Effective Pull Area
cm²
Swept Pull
Volume cm³
WDS No.
M5x0.8x10mm
Deep
8
4.12
3.3
2.9
2.3
SF-3421
M10x1.5x15mm
Deep
15
9.39
14.08
6.43
9.6
SF-3422
M10x1.5x15mm
Deep
20
14.72
29.44
10.01
20
SF-3423
M12x1.75x20mm
Deep
25
23.12
57.8
15.27
37.2
SF-3424
M12x1.75x20mm
Deep
50
37.69
188.4
25.64
128.2
SF-3425
Re
fer to page 21-46 & 21-47 for
more technical information