Metric Size, Steel
Pneumatic Push-Pull Toggle Clamps
with or without Magnetic Piston, with Horizontal Mounting Base
GN 890

ROHS Compliant

 


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Specification
Base: Steel, forged, black powder coat paint finish
Parts in sheet metal: Case-hardened C10 steel,
zinc plated, blue passivated finish
Tapped connecting rod: St. 37 steel, zinc plated, yellow passivated finish
Bearing bolts are case-hardened
Double-action air cylinder, maximum pressure 6 bar
All mobile sections lubricated with special grease

Toggle clamp spindle assemblies not included; see index to assemblies HERE

Information
The working principle of GN 890 pneumatic push-pull toggle clamps is identical in construction and dimensions to the GN 842 manual plunger clamp. 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. The sturdy mounting frame for the cylinder has been designed to avoid the trunions of the cylinder protruding over the frame.
GN 890 Pneumatic push-pull toggle clamps are also available from size 360 up as version M (with magnetic piston). In conjunction with a proximity switch (GN 896.1 / GN 896.2) the position of the piston 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 4 bar FS[N]
a
b1
b2
d1
d2 Thread
d3
d4 Tapped
Air Tube I.D.
h
With Magnetic Piston
Without Magnetic Piston
--
70
1200
550
14
(.55)
42
(1.65)
64
(2.52)
8.5
(.33)
M6 x 1.0
4.3
(.17)
G 1/8
4
(.16)
52
(2.05)
360
5600
1100
27.5
(1.08)
53
(2.09)
90
(3.54)
12
(.47)
M8 x 1.25
5.5
(.22)
G 1/8
4
(.16)
70
(2.76)
1000
16000
1750
28
(1.10)
67
(2.68)
133
(5.24)
16
(.63)
M10 x 1.5
8.5
(.33)
G 1/4
6
(.24)
88
(3.46)
2000
25000
3000
38.5
(1.52)
81
(3.19)
177
(6.97)
20
(.79)
M12 x 1.75
8.5
(.33)
G 1/4
8
(.31)
100
(3.94)

Size Ref.
l1
l2
l3
l4
m1
m2
m3
m4
s
t
w
Stroke
70
171
(6.73)
78.5
(3.09)
20
(.79)
64
(2.52)
26
(1.02)
13.5
(.53)
26
(1.02)
--
8.5
(.33)
12
(.47)
12
(.47)
360
260
(10.24)
113
(4.45)
32
(1.26)
116
(4.57)
33.5
(1.32)
30
(1.18)
36.5
(1.44)
--
8.5
(.33)
16
(.64)
21
(.73)
1000
355
(13.98)
171
(6.73)
49
(2.05)
171
(6.73)
41
(1.61)
15
(.59)
35
(1.38)
41
(1.61)
12
(.47)
18
(.71)
31
(1.22)
2000
461
(18.47)
222
(8.74)
61.5
(2.42)
222
(8.74)
50
(1.97)
35
(1.38)
50
(1.97)
50
(1.97)
13
(.51)
22
(.87)
45
(1.77)