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GN 990

Construction Tubes

Aluminum / Stainless Steel, for Tube Clamp Connectors

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Description

Specification

Version in Aluminum

Aluminum AL

Anodized, natural color EL

Version in Stainless Steel

Stainless steel AISI 304 NI

Plain finish BL

Untreated

Sawed cross sections deburred blank, i.e. not surface treated.

Information

Construction tubes GN 990 can be supplied in these standard lengths.

The tolerances specified for the outside diameter of the round construction tubes comply with the requirements for split mono-block connector clamps. Two-piece connector clamps allow obviously larger tolerances on construction tubes.

Accessory

Tube End Plugs GN 991

Insert Bushings GN NDX.T / GN NDX.Q

Insert Bushings GN 992 / GN 992.5

On request

Further lengths

Technical Information

Stainless Steel Characteristics

GN 990-AL

	Color	d₁ Diameter	s₁ Square	Length l ±0.5	d₂	s₂	w₁	w₂
Code										Actions
GN 990-AL-D12-200-EL	D	D 12 +0.05/-0.15	-	200	9	-	1.5	-	28
GN 990-AL-D12-500-EL	D	D 12 +0.05/-0.15	-	500	9	-	1.5	-	68
GN 990-AL-D12-1000-EL	D	D 12 +0.05/-0.15	-	1000	9	-	1.5	-	136
GN 990-AL-D14-200-EL	D	D 14 +0.05/-0.15	-	200	11	-	1.5	-	32
GN 990-AL-D14-500-EL	D	D 14 +0.05/-0.15	-	500	11	-	1.5	-	80
GN 990-AL-D14-1000-EL	D	D 14 +0.05/-0.15	-	1000	11	-	1.5	-	160
GN 990-AL-D15-200-EL	D	D 15 +0.05/-0.15	-	200	12	-	1.5	-	36
GN 990-AL-D15-500-EL	D	D 15 +0.05/-0.15	-	500	12	-	1.5	-	89
GN 990-AL-D15-1000-EL	D	D 15 +0.05/-0.15	-	1000	12	-	1.5	-	177
GN 990-AL-D16-200-EL	D	D 16 +0.05/-0.15	-	200	13	-	1.5	-	36
GN 990-AL-D16-500-EL	D	D 16 +0.05/-0.15	-	500	13	-	1.5	-	89
GN 990-AL-D16-1000-EL	D	D 16 +0.05/-0.15	-	1000	13	-	1.5	-	184
GN 990-AL-D18-200-EL	D	D 18 +0.05/-0.15	-	200	15	-	1.5	-	42
GN 990-AL-D18-500-EL	D	D 18 +0.05/-0.15	-	500	15	-	1.5	-	104
GN 990-AL-D18-1000-EL	D	D 18 +0.05/-0.15	-	1000	15	-	1.5	-	208
GN 990-AL-D20-200-EL	D	D 20 +0.1/-0.2	-	200	16	-	2	-	61
GN 990-AL-D20-500-EL	D	D 20 +0.1/-0.2	-	500	16	-	2	-	150
GN 990-AL-D20-1000-EL	D	D 20 +0.1/-0.2	-	1000	16	-	2	-	305
GN 990-AL-D20-2000-EL	D	D 20 +0.1/-0.2	-	2000	16	-	2	-	610
GN 990-AL-D25-200-EL	D	D 25 +0.1/-0.2	-	200	21	-	2	-	78
GN 990-AL-D25-500-EL	D	D 25 +0.1/-0.2	-	500	21	-	2	-	195
GN 990-AL-D25-1000-EL	D	D 25 +0.1/-0.2	-	1000	21	-	2	-	389
GN 990-AL-D25-2000-EL	D	D 25 +0.1/-0.2	-	2000	21	-	2	-	778
GN 990-AL-D30-200-EL	D	D 30 ±0.15	-	200	26	-	2	-	95
GN 990-AL-D30-500-EL	D	D 30 ±0.15	-	500	26	-	2	-	230
GN 990-AL-D30-1000-EL	D	D 30 ±0.15	-	1000	26	-	2	-	475
GN 990-AL-D30-2000-EL	D	D 30 ±0.15	-	2000	26	-	2	-	950
GN 990-AL-D35-200-EL	D	D 35 ±0.15	-	200	31	-	2	-	110
GN 990-AL-D35-500-EL	D	D 35 ±0.15	-	500	31	-	2	-	281
GN 990-AL-D35-1000-EL	D	D 35 ±0.15	-	1000	31	-	2	-	561
GN 990-AL-D40-200-EL	D	D 40 +0.15/-0.25	-	200	34	-	3	-	189
GN 990-AL-D40-500-EL	D	D 40 +0.15/-0.25	-	500	34	-	3	-	472
GN 990-AL-D40-1000-EL	D	D 40 +0.15/-0.25	-	1000	34	-	3	-	943
GN 990-AL-D40-2000-EL	D	D 40 +0.15/-0.25	-	2000	34	-	3	-	1886
GN 990-AL-D50-500-EL	D	D 50 ±0.2	-	500	44	-	3	-	599
GN 990-AL-D50-1000-EL	D	D 50 ±0.2	-	1000	44	-	3	-	1195
GN 990-AL-D50-2000-EL	D	D 50 ±0.2	-	2000	44	-	3	-	2395
GN 990-AL-D60-500-EL	D	D 60 ±0.25	-	500	52	-	4	-	840
GN 990-AL-D60-1000-EL	D	D 60 ±0.25	-	1000	52	-	4	-	1900
GN 990-AL-D60-2000-EL	D	D 60 ±0.25	-	2000	52	-	4	-	3800
GN 990-AL-V10-200-EL	V	-	V 10	200	-	7	-	1.5	20
GN 990-AL-V10-500-EL	V	-	V 10	500	-	7	-	1.5	40
GN 990-AL-V10-1000-EL	V	-	V 10	1000	-	7	-	1.5	98
GN 990-AL-V12-200-EL	V	-	V 12	200	-	9	-	1.5	24
GN 990-AL-V12-500-EL	V	-	V 12	500	-	9	-	1.5	60
GN 990-AL-V12-1000-EL	V	-	V 12	1000	-	9	-	1.5	119
GN 990-AL-V16-200-EL	V	-	V 16	200	-	13	-	1.5	32
GN 990-AL-V16-500-EL	V	-	V 16	500	-	13	-	1.5	80
GN 990-AL-V16-1000-EL	V	-	V 16	1000	-	13	-	1.5	160
GN 990-AL-V20-200-EL	V	-	V 20	200	-	16	-	2	78
GN 990-AL-V20-500-EL	V	-	V 20	500	-	16	-	2	194
GN 990-AL-V20-1000-EL	V	-	V 20	1000	-	16	-	2	388
GN 990-AL-V20-2000-EL	V	-	V 20	2000	-	16	-	2	776
GN 990-AL-V25-200-EL	V	-	V 25	200	-	21	-	2	99
GN 990-AL-V25-500-EL	V	-	V 25	500	-	21	-	2	249
GN 990-AL-V25-1000-EL	V	-	V 25	1000	-	21	-	2	497
GN 990-AL-V25-2000-EL	V	-	V 25	2000	-	21	-	2	1100
GN 990-AL-V30-200-EL	V	-	V 30	200	-	26	-	2	121
GN 990-AL-V30-500-EL	V	-	V 30	500	-	26	-	2	303
GN 990-AL-V30-1000-EL	V	-	V 30	1000	-	26	-	2	605
GN 990-AL-V30-2000-EL	V	-	V 30	2000	-	26	-	2	1210
GN 990-AL-V40-500-EL	V	-	V 40	500	-	34	-	3	640
GN 990-AL-V40-1000-EL	V	-	V 40	1000	-	34	-	3	1200
GN 990-AL-V40-2000-EL	V	-	V 40	2000	-	34	-	3	2398
GN 990-AL-V50-500-EL	V	-	V 50	500	-	44	-	3	762
GN 990-AL-V50-1000-EL	V	-	V 50	1000	-	44	-	3	1525
GN 990-AL-V50-2000-EL	V	-	V 50	2000	-	44	-	3	3050

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