Metric Size, Aluminum
Swivel Clamp Connector Joints
GN 284
wo
RoHS Compliant

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Specification
Connector clamp:
Black version--Aluminum, powder coated, textured finish
Tumbled version--Aluminum, matte shot-blasted finish
Clamping bores machined
Cap screws: DIN 912, steel, zinc plated
Nylon insert hex nuts: DIN 985, steel, zinc plated
Available with stepless adjustment or adjustment by 15° -division (serration)

ADJUSTABLE CLAMPING LEVER KITS GN 911 (SOLD SEPARATELY):
These kits can be used to replace the DIN 912 cap screws with adjustable levers. They include lever, spacer bushing, and hex nut, unassembled. See GN 911 to order separately; see right hand column in tables for part numbers of appropriate kit.

Information
GN 284 swivel clamp connector joints are an assembly of the GN 274 and GN 276 swivel clamp connectors. For the type with stepless adjustment, sweivel clamp connectors with a stepped flat surface are used. Since the latter have an identical swivel width "b," all bores "d1/d2" can be combined as required.
The clamping bore is machined and designed for construction tubings GN 990 or DIN 2391, DIN 2395 and DIN 2462 respectively.
In the standard version, the clamping force of the clamp onto the tube is achieved via the socket cap screws and hex nuts with nylon insert.
Stainless steel screws available upon request.
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Stepless Adjustment Type

Dimensions in:

millimeters
(inches)
Part Number
d1
Bore (B)
d2
Bore (B)
b
Swivel Width
d3 / d4
Clamp-
ing
Screw Size
k1
Clamp-
ing Length
k2
l1
l2
m1
m2
GN 911
Adjustable
Clamping
Lever Kit
Black Version
Tumbled Version
for d3
for d4
B20
B20
40
(1.57)
M8 x 1.25
42.5
(1.67)
40
(1.57)
147
(5.79)
52
(2.05)
43
(1.69)
72
(2.83)
B25
B25
40
(1.57)
M8 x 1.25
42.5
(1.67)
40
(1.57)
147
(5.79)
52
(2.05)
43
(1.69)
72
(2.83)
B30
B30
40
(1.57)
M8 x 1.25
42.5
(1.67)
40
(1.57)
147
(5.79)
52
(2.05)
43
(1.69)
72
(2.83)
B40
B40
65
(2.56)
M10 x 1.5
74
(2.91)
65
(2.56)
230
(9.06)
77.5
(3.05)
70
(1.76)
115
(4.53)
B42
B42
65
(2.56)
M10 x 1.5
74
(2.91)
65
(2.56)
230
(9.06)
77.5
(3.05)
70
(1.76)
115
(4.53)
B45
B45
65
(2.56)
M10 x 1.5
74
(2.91)
65
(2.56)
230
(9.06)
77.5
(3.05)
70
(1.76)
115
(4.53)
B48
B48
65
(2.56)
M10 x 1.5
74
(2.91)
65
(2.56)
230
(9.06)
77.5
(3.05)
70
(1.76)
115
(4.53)
B50
B50
65
(2.56)
M10 x 1.5
74
(2.91)
65
(2.56)
230
(9.06)
77.5
(3.05)
70
(1.76)
115
(4.53)
 
Serrated Adjustment Type

Dimensions in:

millimeters
(inches)
Part Number
d1
Bore (B)
d2
Bore (B)
b
Swivel Width
d3 / d4
Clamp-
ing
Screw Size
k1
Clamp-
ing Length
k2
l1
l2
m1
m2
GN 911
Adjustable
Clamping
Lever Kit
Black Version
Tumbled Version
for d3
for d4
B20
B20
40
(1.57)
M8 x 1.25
42.5
(1.67)
40
(1.57)
147
(5.79)
52
(2.05)
43
(1.69)
72
(2.83)
B25
B25
40
(1.57)
M8 x 1.25
42.5
(1.67)
40
(1.57)
147
(5.79)
52
(2.05)
43
(1.69)
72
(2.83)
B30
B30
40
(1.57)
M8 x 1.25
42.5
(1.67)
40
(1.57)
147
(5.79)
52
(2.05)
43
(1.69)
72
(2.83)
B40
B40
65
(2.56)
M10 x 1.5
74
(2.91)
65
(2.56)
230
(9.06)
77.5
(3.05)
70
(1.76)
115
(4.53)
B42
B42
65
(2.56)
M10 x 1.5
74
(2.91)
65
(2.56)
230
(9.06)
77.5
(3.05)
70
(1.76)
115
(4.53)
B45
B45
65
(2.56)
M10 x 1.5
74
(2.91)
65
(2.56)
230
(9.06)
77.5
(3.05)
70
(1.76)
115
(4.53)
B48
B48
65
(2.56)
M10 x 1.5
74
(2.91)
65
(2.56)
230
(9.06)
77.5
(3.05)
70
(1.76)
115
(4.53)
B50
B50
65
(2.56)
M10 x 1.5
74
(2.91)
65
(2.56)
230
(9.06)
77.5
(3.05)
70
(1.76)
115
(4.53)