Page 3 - VESBO OXYPERT Brochure
P. 3
Permissible Operating Pressures
Properties of PERT Piping Systems
DIN 16833 PERT PIPING SYSTEMS Projected Service Life
(Hot and Cold Water)
Temperature Service Life Year PN 12.5 Safety Factor 1.5 SDR 7.4 The table on the left provides more detailed (Outer Diameter) ( Wall Thickness) Dimension Ratio Nominal Class of Vesbo OxyPex Coil Length Permeability Ratio
D S Standard
Oxygen
pressure
Pipes
SDR 9
SDR 11
mm
mm
m
mg.O 2 /m².day
PN 20
PN 16
Allowable Working Pressure (bar) information on permissible pressures of various 1.8 SDR 9 PN 16 1/8; 2/8; 4/10; 5/8 160.0, 200.0, 400.0,
16 2.0 <0.1
1 13.2 16.6 20.9 pipe pressure ratings at various temperatures. 2.2 SDR 7.4 PN 20 1/10; 2/10; 4/10; 5/10 500.0, 600.0
5 12.9 16.3 20.5 1/8; 2/8; 4/10; 5/8 160.0, 200.0, 400.0,
20°C 10 12.8 16.2 20.4 17 2.0 SDR 8.5 PN 16 500.0, 600.0 <0.1
25 12.7 16.0 20.1 2.0 SDR 11 PN 12.5 1/6; 2/6; 4/8; 5/6 160.0, 200.0, 400.0,
50 12.6 15.9 20.0 20 2.8 SDR 7.4 PN 20 1/10; 2/10; 4/10; 5/10 500.0, <0.1
1 11.7 14.7 18.5 Examples 25 2.3 SDR 11 PN 12.5 1/6; 2/6; 4/8; 5/6 160.0, 200.0 <0.1
5 11.5 14.4 18.2 1/6; 2/6; 4/8; 5/6
30°C 10 11.4 14.3 18.1 32 2.9 SDR 11 PN 12.5 160.0, 200.0 <0.1
25 11.3 14.2 17.9 Vesbo Multilayer OXYPERT SDR 11 hot and cold
50 11.2 14.0 17.7
1 10.4 13.1 16.5 water pipe, transporting water at a temperature of
5 10.2 12.8 16.2
40°C 10 10.1 12.7 16.1 Features Test Method Unit Value
25 10.0 12.6 15.9 30°C is projected to last more than 50 years under
50 9.9 12.5 15.7 Density DIN 53 497 g/cm 3 0.94
1 9.3 11.7 14.7
5 9.1 11.4 14.4 normal operating conditions with an operating Melt Index (190C 5 kg) ISO 1133 g/10 min 0.45
50°C 10 9.0 11.3 14.3 Thermal Conductivity DIN 52 612-1 WK -1 m -1 0.41
25 8.9 11.2 14.1 pressure of 11.2 bar.
50 8.8 11.1 14.0 Elastic Modulus ASTM D790 N/mm 2 620
1 8.3 10.4 13.1
5 8.1 10.2 12.9 Tensile Strength at Break ASTM D638 kg/cm2 430
60°C 10 8.0 10.1 12.8 Elongation at Break ASTM D638 % 850
25 7.9 10.0 12.6 Vesbo Multilayer OXYPERT SDR 7.4 hot and cold
50 7.9 9.9 12.5 Impact Strength DIN 53453 m.J.mm 2 No cracking
1 7.4 9.3 11.8
5 7.3 9.1 11.5 water pipe, transporting water at a temperature of
70°C 10 7.2 9.1 11.4
25 7.1 9.0 11.3 70°C is projected to last more than 50 • Class 1 (70 °C / 8 bar) • Class 2 (70 °C / 8 bar) • Class 4 (60 °C / 10 bar) • Class 5 (60 °C / 8 bar)
50 7.0 8.9 11.2
1 6.6 8.4 10.5
5 6.5 8.2 10.3 years under normal operating conditions with an
80°C
10 6.4 8.1 10.2
25 6.4 8.0 10.1 operating pressure of 11.2 bar.
1 6.0 7.5 9.5
90°C 5 5.8 7.4 9.3
10 5.8 7.3 9.2
1 5.7 7.1 9.1
95°C
5 5.5 7.0 8.8
SDR is the short form of Standard Dimension Ratio
Quality Assurance & Health SDR = Diameter / Wall Thickness
Certifications SDR = d /s = Pipes series index from ISO 4065
A high-temperature flexible plastic pressure pipe with a 35 year history of
successful use in the European market with extensive testing for durability
and material performance, made of cross-linked high density PERT.