Home Tube Clamp Connectors Tube clamp connectors GN 278

GN 278

Swivel Clamp Connectors

Aluminum

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GN 278-OZ

Swivel Clamp Connectors

Without centering step (smooth)

GN 278-MZ

Swivel Clamp Connectors

With centering step

GN 278-AV

Swivel Clamp Connectors

With external serration

GN 278-IV

Swivel Clamp Connectors

With internal serration

Description

Specification

Types

Type OZ: Without centering step (smooth)

Type MZ: With centering step

Type AV: With external serration

Type IV: With internal serration

Identification No.

No. 2: With stainless steel socket cap screw DIN 912

Aluminum

Powder coated

Black, RAL 9005, textured finish SW

Plain, matte shot-blasted BL

Socket cap screws DIN 912

Stainless Steel AISI 304

Hex nuts DIN 985

Stainless Steel AISI 304

Self-locking via polyamide ring

Information

The clamping bore of swivel clamp connectors GN 278 is mechanically machined and designed for construction tubes GN 990 or DIN 2391, DIN 2395 and DIN 2462.

At the screw location z, the socket cap screw reduces the bore cross-section for clamping. For clamping without tools, the socket cap screw can be replaced by an adjustable hand lever GN 911 listed in the table as accessory.

Swivel clamp connectors GN 278 can be combined with swivel clamp connectors GN 272, GN 274 or GN 276 to swivel clamp connector joints.

Accessory

Adjustable Hand Levers GN 911

Technical information

Stainless Steel Characteristics

GN 278-MZ

	Color	d₁ Bore	b	d₂	k	l₁	l₂	m	s	t	z Screw location	Accessory Recom. hand lever GN 911 for z l₃
Code														Actions
GN 278-B20-MZ-2-BL	BL - Plain finish	B 20	40	8.5	40	95	40	43	13	20	M8-25	-	182
GN 278-B20-MZ-2-SW	SW - RAL 9005	B 20	40	8.5	40	95	40	43	13	20	M8-25	-	182
GN 278-B25-MZ-2-BL	BL - Plain finish	B 25	40	8.5	40	95	40	43	13	20	M8-25	63 \| 78	170
GN 278-B25-MZ-2-SW	SW - RAL 9005	B 25	40	8.5	40	95	40	43	13	20	M8-25	63 \| 78	170
GN 278-B30-MZ-2-BL	BL - Plain finish	B 30	40	8.5	40	95	40	43	13	20	M8-25	63 \| 78	145
GN 278-B30-MZ-2-SW	SW - RAL 9005	B 30	40	8.5	40	95	40	43	13	20	M8-25	63 \| 78	145
GN 278-B40-MZ-2-BL	BL - Plain finish	B 40	65	10.5	65	148	65	70	17	32.5	M10-50	92 \| -	695
GN 278-B40-MZ-2-SW	SW - RAL 9005	B 40	65	10.5	65	148	65	70	17	32.5	M10-50	92 \| -	695
GN 278-B42-MZ-2-BL	BL - Plain finish	B 42	65	10.5	65	148	65	70	17	32.5	M10-50	78 \| 92	675
GN 278-B42-MZ-2-SW	SW - RAL 9005	B 42	65	10.5	65	148	65	70	17	32.5	M10-50	78 \| 92	675
GN 278-B45-MZ-2-BL	BL - Plain finish	B 45	65	10.5	65	148	65	70	17	32.5	M10-50	78 \| 92	645
GN 278-B45-MZ-2-SW	SW - RAL 9005	B 45	65	10.5	65	148	65	70	17	32.5	M10-50	78 \| 92	645
GN 278-B48-MZ-2-BL	BL - Plain finish	B 48	65	10.5	65	148	65	70	17	32.5	M10-50	78 \| 92	605
GN 278-B48-MZ-2-SW	SW - RAL 9005	B 48	65	10.5	65	148	65	70	17	32.5	M10-50	78 \| 92	605
GN 278-B50-MZ-2-BL	BL - Plain finish	B 50	65	10.5	65	148	65	70	17	32.5	M10-50	78 \| 92	575
GN 278-B50-MZ-2-SW	SW - RAL 9005	B 50	65	10.5	65	148	65	70	17	32.5	M10-50	78 \| 92	575

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