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SECTION 21 -
SPENCER FRANKLIN HYDRACLAMP, HYDRAULICS
AND PNEUMATICS
WDS
WDS
www.wdsltd.co.uk21-45
&
0845 606 66 77
•
:
www.wdsltd.co.uk•
*
sales@wdsltd.co.ukPowRlock Zoom-
ATC Booster High
Volume
SF-7900A
Series
30°
216 P.C.D
3 HOLES 10.4
EQUALY SPACED
70
703
368
49
1/2" B.S.P. AIR INLET PORT
1 PORT 1/2" B.S.P.
OIL OUTLET PORTS
4 PORTS 3/8" B.S.P.
7900
Intensification
Ratio
Maximum Oil cm³
Max Air Input bar
Weight kg
WDS No.
Seal Kit No.
12.2:1
463
7
21.8
SF-7980A
SF-76809
21.8:1
260
7
21.8
SF-7960A
SF-76609
31.4:1
181
7
21.8
SF-7950A
SF-76509
49.0:1
116
7
21.8
SF-7940A
SF-76409
64.0:1
88
5.5
21.8
SF-7935A
SF-76359
TECHNICAL INFORMATION
-
Maximum Air Pressure 7 bar except
for 7935 which must not exceed
5.5 bar
Air Consumption at 5.6 bar per
25.4mm stroke = 0.004m³
Maximum Stroke: 228.6mm
Mounting: Novel arrangement of the Autofeed device allows Booster to be mounted horizontally or vertically with the outlet ports uppermost, simply
by rotating the Autofeed assembly through 90°.
Re
fer to page 21-46 & 21-47 for
more technical information