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Tube Size Technical Data

The Kee range of fittings is produced in a range of standard sizes to suit steel tubing to BS EN 10255 (ISO 65), medium and heavy gauge, from 21.3mm to 60.3mm outside diameter; also equivalent sizes of tubing in other materials.

Tubing of other specifications can be used, providing the steel is compatible with BS EN 10255 (ISO 65) and wall thickness is not less than 3.2mm.

Tube Size Technical Data

Kee Klamp & Kee Life Tube Size
Fast Clamp Tube Size
Tube Diameter (mm o,d,)
Nominal Bore* (mm)
9
G50
60.3
50
4
N/A
21.3
15
5
G20
26.9
20
6
G25
33.7
25
7
G32
42.4
32
8
G40
48.3
40

Tube Size Table

*Nominal bore is an arbitrary dimension because the bore varies with the wall thickness of the tubes.

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