Page 112 - PRESS-FIT SYSTEMS FOR DIVERSE APPLICATIONS

3.0 TECHNICAL DATA
TUBES, PIPE AND THEIR COMPATIBILITIES

Copper tube BS EN 1057 Compatibility: XPress Copper, XPress Copper Gas fittings and XPress
Solar. All tube tempers (R250 and R290) are available in all the designated wall thicknesses

Outside
diameter 0.7mm 0.9mm 1.0mm 1.2mm 1.5mm 2.0mm 2.5mm
12mm – – R290 – – – –
R250 R250
15mm R290 – R290 – – – –
R250 R250 R250
22mm – – – –
R290 R290 R290
COPPER TUBE R250 R250 R250
28mm – R290 R290 R290 R290 – –
Compatible copper tube must meet
the requirements of BS EN 1057 R250 R250
and R290 for copper and copper alloy 35mm – – – R290 R290 – –
– seamless round copper tubes for R250
water (and gas) in sanitary and heating 42mm – – – R290 R290 – –
applications. R250
The higher the number, the harder the 54mm – – – R290 – R290 –
material. As a result, tube diameter, wall
thickness, length and the material temper 66.7mm – – – R250 – – –
must all be specified for full product
designation. 76.1mm – – – – R250 R290 –
R290
All XPress Copper, Copper Gas and
XPress Solar fittings can be used 88.9mm – – – – – R290 –
with copper tube, although in humid
conditions some staining of the tube may 108mm – – – – R250 – R290
R290
be witnessed (see page 128 Phenolic
foam section for details on moisture-proof
insulation).
XPress Solar requires Copper tube
capable of operating to higher
temperature ratings (200°C) for Solar
Application.

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