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Catalogue Technical Specification

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GN990 NI 3D CAD Model


GN990 Construction Tube, Aluminium



GN990: Construction Tubes

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Series Selector


Type D - Round

Type V - Square

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Product Description

GN990 Construction Tube, Aluminium, for Tube Clamp Connectors

Construction tubings GN 990 can be supplied in any length up to 3000mm, in 1mm increments.

Please call the sales office +44 (0)1732 763377 for pricing on other lengths of tubing.

The tolerances specified for the outside diameter of the round construction tubings comply with the requirements for split mono-block connector clamps. Otherwise the tolerances comply with DIN2391, DIN2395 and DIN2462.

Two-piece connector clamps allow larger tolerances on round and square construction tubings.


Aluminium AL Anodized, natural colour EL

*Aluminium AL Blank, untreated BL - limited availability

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

Other lengths are available on request

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GN990 Construction Tubes Tubing Round Square Aluminium for Clamps Connectors GN 990

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