Page 3 - VESBO PE-X Brochure
P. 3

Permissible Operating Pressures
                                                                                                Properties of PEX Piping Systems
                                            Projected Service Life
                    DIN 16893 PEX PIPING SYSTEMS
         Temperature  Service Life Year  PN 12.5  (Hot and Cold Water) SDR 7.4  The table on the left provides more detailed  Diameter Thickness  Dimension   Pressure  Class of VESBO PEX   Coil Length
                         Safety Factor 1.5
                                                                                                        Wall
                                                                                                 Outer
                            SDR 9
                    SDR 11
                                                                                                             Standard
                                                                                                                     Nominal
                                   PN 20
                            PN 16
                                            information on permissible pressures of
                                                                                                                                 Pipes
                                                                                                                                               (m)
                                   20.9
                            16.6
                     13.2
               1    Allowable Working Pressure (bar)  various pipe pressure ratings at various   (mm)  (mm)   Ratio
               5     12.9   16.3   20.5                                                           16    2.0   SDR 9   PN 16  1/8; 2/8; 4/10; 5/8  160, 200, 400, 500, 600
       20°C    10    12.8   16.2   20.4                                                                 2.2   SDR 7.4  PN 20  1/10; 2/10; 4/10; 5/10
               25    12.7   16.0   20.1     temperatures.                                         17    2.0   SDR 8.5  PN 16  1/8; 2/8; 4/10; 5/8  160, 200, 400, 500, 600
               50    12.6   15.9   20.0
               1     11.7   14.7   18.5                                                                 2.0   SDR 11  PN 12.5  1/6; 2/6; 4/8; 5/6
               5     11.5   14.4   18.2                                                           20    2.8   SDR 7.4  PN 20  1/10; 2/10; 4/10; 5/10  160, 200, 400, 500
       30°C    10    11.4   14.3   18.1                                                           25    2.3   SDR 11  PN 12.5  1/6; 2/6; 4/8; 5/6  160, 200
               25    11.3   14.2   17.9     Examples
               50    11.2   14.0   17.7                                                           32    2.9   SDR 11  PN 12.5  1/6; 2/6; 4/8; 5/6  160, 200
               1     10.4   13.1   16.5     Vesbo PE-X SDR 11 hot and cold water pipe,
               5     10.2   12.8   16.2
       40°C    10    10.1   12.7   16.1
               25    10.0   12.6   15.9     transporting water at a temperature of 30°C
               50    9.9    12.5   15.7                                                        Features         Test Method  Unit  Value  •  Class 1 (70 °C / 8 bar)
               1     9.3    11.7   14.7                                                        Density          DIN 53 497  g/cm 3  0.94
               5     9.1    11.4   14.4     is projected to last more than 50 years under                                               •  Class 2 (70 °C / 8 bar)
       50°C    10    9.0    11.3   14.3                                                        Linear Expansion Coefficient  DIN 53 752   K -1  2x10 -4
               25    8.9    11.2   14.1     normal   operating  conditions  with  an                                                    •  Class 4 (60 °C / 10 bar)
               50    8.8    11.1   14.0                                                        Thermal Conductivity  DIN 52 612-1  WK -1 m -1  0.41
               1     8.3    10.4   13.1                                                        Elastic Modulus  ASTM D790  N/mm 2  600  •  Class 5 (60 °C / 8 bar)
               5     8.1    10.2   12.9     operating pressure of 11.2 bar.
       60°C    10    8.0    10.1   12.8                                                        Surface Resistance  DIN 53482  W  >10 12
               25    7.9    10.0   12.6
               50    7.9     9.9   12.5                                                        Elongation at Break  ASTM D638  %  400
               1     7.4     9.3   11.8                                                        Impact Strength  DIN 53453  m.J.mm 2 No cracking
               5     7.3     9.1   11.5     Vesbo PE-X SDR 7.4 hot and cold water pipe,
       70°C    10    7.2     9.1   11.4                                                        Degree of Cross-Linking  DIN 16892  %  Min.65
               25    7.1     9.0   11.3     transporting water at a temperature of 70°C
               50    7.0     8.9   11.2
               1     6.6     8.4   10.5
               5     6.5     8.2   10.3     is projected to last more than 50
       80°C
               10    6.4     8.1   10.2
               25    6.4     8.0   10.1     years under normal operating conditions
               1     6.0     7.5    9.5
       90°C    5     5.8     7.4    9.3
               10    5.8     7.3    9.2     with an operating pressure of 11.2 bar.
               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
                                                                                                                         Ethylene Vinyl Alcohol (‘’EVOH’’) Oxygen Barrier with excellent gas barrier
                                                                                                                         properties that limits oxygen diffusion through the walls of the tubing.
                                                                                                                         Designed to be compatible with PEX and EVOH layers and creates a superb
                                                                                                                         adhesion between layers
                                                                                                                         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
                                                                                                                         PEX .
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