Metric Size, Steel
Heavy-Duty Pneumatic Toggle Clamps
with Horizontal Mounting Base, with or without Magnetic Piston
GN 861

ROHS Compliant

 

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Specification
Base: Cast steel, black lacquered finish
Other parts: St. 60 steel, zinc plated, blue passivated finish
Bearing bolts case-hardened
Double-action air cylinder, maximum pressure 6 bar
All mobile sections lubricated with special grease
Type EP: With weldable solid clamping arm
Version M (optional): With magnetic piston

Information
GN 861 Heavy-duty pneumatic toggle clamps have been constructed in such a way as to make them easy to unmount. The bearing bolts are axially fixed with circlips. This allows the clamping arm to be modified to suit any particular application.
To ensure an extended life of the mechanical parts as well as the 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.
GN 861 heavy-duty pneumatic toggle clamps are also available as version M (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
d1
d2 Tapped
Inside Ø Con- nection Tube
h1~
h2
With Magnetic Piston Without Magnetic Piston
1000
10000
3200
102
(4.02)
90
(3.54)
20
(.79)
10.5
(.41)
G 1/4
8
(.31)
145
(5.71)
80
(3.15)
2000
20000
3800
112
(4.41)
100
(3.94)
20
(.79)
10.5
(.41)
G 3/8
10
(.39)
170
(6.69)
90
(3.54)

Size Ref.
h3
l1~
l2~
l3~
m1
m2
m3
m4
r~
s
1000
25
(.98)
410
(16.14)
90
(3.54)
155
(6.10)
65
(2.56)
12.5
(.49)
65
(2.56)
48
(1.89)
140
(5.51)
13
(.51)
2000
35
(1.38)
487
(19.17)
113
(4.45)
176
(6.93)
70
(2.76)
15
(.59)
70
(2.76)
56
(2.20)
172
(6.77)
13
(.51)