Metric Size, Steel
Heavy Duty Pneumatic Lock-Down Toggle Clamps
with Magnetic Piston, with Vertical Mounting Base

GN 863
RoHS Compliant

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Specification
Base: Cast steel, black powder coat paint finish
Other parts: Steel St. 60, zinc plated, blue passivated finish
Bearing bolts case-hardened
Double-action air cylinder, maximum operating pressure 6 bar
All mobile sections lubricated with special grease

Information
GN 863 heavy duty pneumatic lock-down toggle clamps have been constructed in such a way as to make them easy to unmount: The bearing pins are axially fixed with circlips. This allows the clamping arm to be modified once it is dismantled, to suit any particular application.
To ensure an extended life of the mechanical parts as well as air cylinder, the operating pressure should not exceed 6 bar. In addition a lubrication control unit should be mounted in the air in-feed line.
These clamps have a magnetic piston. In conjuction with a GN 896.3 proximity switch, the piston position is sensed and the generated signal can be used in sequence control systems.
See also General Information on Toggle Clamps.

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Dimensions in:

millimeters
(inches)

Part Number
Size Ref.
Holding
Capacity FH[N]
Piston Force
at 6 bar FS[N]
b1~
b2
b3
b4
d1
d2 Tapped
Inside Ø Connec- tion Tube
h1~
1000
10000
3250
102
(4.02)
90
(3.54)
80
(3.15)
20
(.79)
10.5
(.41)
G 1/4
8
(.31)
355
(13.98)
2000
20000
5600
112
(4.41)
100
(3.94)
90
(3.54)
20
(.79)
12.5
(.49)
G 3/8
10
(.39)
425
(16.73)

Size Ref.
h2
h3
l1~
l2~
m1
m2
m3
m4
r
s
1000
132.5
(5.22)
25
(.98)
217.5
(8.56)
80
(3.15)
50
(1.97)
12.5
(.49)
50
(1.97)
--
144
(5.67)
13
(.51)
2000
161
(6.34)
35
(1.38)
246.5
(9.70)
100
(3.94)
54
(2.13)
12.5
(.49)
58
(2.28)
45
(1.77)
168.5
(6.63)
14
(.55)