Pneumatic Push Toggle Clamps GN 890

More Information to Toggle Clamps (Pneumatic) Overview of Pneumatically Operated Clamps General Notes Operating instruction GN 890 Pneumatic Toggle Clamps

Product description

The clamping principle of the pneumatic toggle clamps GN 890 is identical in construction and dimensions to the manual toggle clamps GN 842.

To ensure an extended life of the mechanical parts as well as the air cylinders, the operating pressure should not exceed 6 bar and a compressed air maintenance unit should be installed upstream. The sturdy mounting frame for the cylinder has been designed to avoid the trunions of the cylinder to protruding over the frame.

Toggle clamps GN 890 have a permanent magnet integrated into the piston. In conjunction with sensors GN 3380, it is possible to detect the end position, such as for implementing machine controls.

Specification

Body
Steel

Forged
Chemically blackened finsih

Sheet metal parts
Case hardening steel C10
Zinc plated, blue passivated finish

Plunger
Steel St 37
Zinc plated, blue passivated finish

Bearing pins (Bearing rivets)
Steel
Case hardened

Double action air cylinder
Max. pressure 6 bar

RoHS

Accessory

GN 804 Toggle Clamp Spindle Assemblies
GN 3380 Sensor
GN 807 Toggle Clamp Spindle Assemblies
GN 708.1 Toggle Clamp Spindle Assemblies (with rubber pressure pad)
GN 802 Toggle Clamp Spindle Assemblies
GN 903 Toggle Clamp Spindle Assemblies

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Part Number	Size	F_H in N Holding capacity	F_S in N Clamping force at 6 bar ≈	a	b₁	b₂	d₁	d₂	d₃	d₄ Compressed air connections	Inside Ø Connection tube	h

890-70-SP-M	70	270 lbf (1200 N)	175 lbf (780 N)	0.53	1.65	2.52	0.33	M 6	0.17	M 5	0.16	1.97
890-360-SP-M	360	1259 lbf (5600 N)	290 lbf (1290 N)	1.08	2.17	3.54	0.47	M 8	0.22	G 1/8	0.16	2.72
890-1100-SP-M	1100	3597 lbf (16000 N)	1007 lbf (4480 N)	1.10	2.60	5.24	0.63	M 10	0.33	G 1/4	0.24	3.35
890-2100-SP-M	2100	5620 lbf (25000 N)	1241 lbf (5520 N)	1.52	3.15	6.97	0.79	M 12	0.33	G 1/4	0.31	3.80

Size	l₁	l₂	l₃	l₄	m₁	m₂	m₃	m₄	s ≈	t	w Stroke

70	6.42	3.09	0.79	2.76	1.02	0.51	1.02	-	0.30	0.47	0.47
360	10.79	4.45	1.26	3.70	1.32	1.18	1.44	-	0.37	0.59	0.83
1100	14.21	6.73	1.93	5.43	1.61	0.59	1.38	1.61	0.43	0.71	1.22
2100	18.98	8.74	2.42	7.48	1.97	1.38	1.97	1.97	0.53	0.87	1.77

Size	F_H in N Holding capacity	F_S in N Clamping force at 6 bar ≈	a	b₁	b₂	d₁	d₂	d₃	d₄ Compressed air connections	Inside Ø Connection tube	h

70	270 lbf (1200 N)	175 lbf (780 N)	0.53	1.65	2.52	0.33	M 6	0.17	M 5	0.16	1.97
360	1259 lbf (5600 N)	290 lbf (1290 N)	1.08	2.17	3.54	0.47	M 8	0.22	G 1/8	0.16	2.72
1100	3597 lbf (16000 N)	1007 lbf (4480 N)	1.10	2.60	5.24	0.63	M 10	0.33	G 1/4	0.24	3.35
2100	5620 lbf (25000 N)	1241 lbf (5520 N)	1.52	3.15	6.97	0.79	M 12	0.33	G 1/4	0.31	3.80

Size	l₁	l₂	l₃	l₄	m₁	m₂	m₃	m₄	s ≈	t	w Stroke

70	6.42	3.09	0.79	2.76	1.02	0.51	1.02	-	0.30	0.47	0.47
360	10.79	4.45	1.26	3.70	1.32	1.18	1.44	-	0.37	0.59	0.83
1100	14.21	6.73	1.93	5.43	1.61	0.59	1.38	1.61	0.43	0.71	1.22
2100	18.98	8.74	2.42	7.48	1.97	1.38	1.97	1.97	0.53	0.87	1.77