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Comparison between Series (S) and Nominal Pressure (NP) EA1 13470:200
S SDR PN(bar)
8.3 17 8.3
5 11 12.5
3.2 7.4 20
2.5 6 25
2 5 32
Nominal pressure and continual service during 50 years
IPS Product Service Pressure and Working temperature Maximum resistance to pressure PN S
IPS Fusion Fittings temperature 32.3 Kgf/cm2 at 20ºC 120 Kgf/cm2 32 2
Strengthened Fusion Multilayer 30.9 Kgf/cm2 at 20ºC 120 Kgf/cm2 25 2.5
IPS Fusion Multilayer
S3.2 and Maxum S3.2
24.5 Kgf/cm2 at 20ºC 100 Kgf/cm2 20 3.2
IPS Fusion Pipe (Cold water) 15.5 Kgf/cm2 at 20ºC 80 Kgf/cm2 12.5 5
Pressure Table*
System Tube Diameter Continuous Working Pressure
IPS Fusion System (Multilayer Tube S3,2) Standard: DIN 8077/IRAM 13470   20º C 70º C
20mm 20 Bar 8.1 Bar
25mm 20 Bar 8.1 Bar
32mm 20 Bar 8.1 Bar
40mm 20 Bar 8.1 Bar
50mm 20 Bar 8.1 Bar
63mm 20 Bar 8.1 Bar
75mm 20 Bar 8.1 Bar
90mm 20 Bar 8.1 Bar
110mm 20 Bar 8.1 Bar
* Pressure table equivalent to DIN Standards and Testing at 20ºC. Pipes marked with DIN rating (20 Bar) for Europe, Africa and Australasia. Pipes also marked with IRAM rating (16 Bar) for South American market.