Metric Size, Aluminum
Swivel Clamp Connector Joints
GN 284
wo
ISO 9001 Supplier

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)

Alternative clamping assemblies available upon request:
Adjustable clamping levers
Hex head clamping screws

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.
Versions with adjustable levers or hex head clamping screws with nylon insert hex nuts have a spacer added to be able to acheive the proper clamping force needed.
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Stepless Adjustment Type

Dimensions in:

millimeters
(inches)
Part Number
d1
Bore (B)
d2
Bore (B)
b
Swivel Width
d3
Clamp-
ing
Screw Size
k1
Clamp-
ing Length
k2
l1
l2
m1
m2
Black Version
Tumbled Version
B20
B20
40
(1.57)
M8
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
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
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
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
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
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
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
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
Clamp-
ing
Screw Size
k1
Clamp-
ing Length
k2
l1
l2
m1
m2
Black Version
Tumbled Version
B20
B20
40
(1.57)
M8
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
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
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
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
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
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
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
74
(2.91)
65
(2.56)
230
(9.06)
77.5
(3.05)
70
(1.76)
115
(4.53)