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.
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