Page 3 - VESBO PERT Brochure

Permissible Operating Pressures

Properties of PERT Piping Systems

Outer Wall Standard
Nominal
Diameter Thickness Dimension Pressure Class of VESBO PERT Coil Length
(m)
Pipes
(mm) (mm) Ratio
2.0 SDR 9 PN 16 1/8; 2/8; 4/10; 5/8
16 160, 200, 400, 500, 600
2.2 SDR 7.4 PN 20 1/10; 2/10; 4/10; 5/10
17 2.0 SDR 8.5 PN 16 1/8; 2/8; 4/10; 5/8 160, 200, 400, 500, 600
2.0 SDR 11 PN 12.5 1/6; 2/6; 4/8; 5/6
20 160, 200, 400, 500
2.8 SDR 7.4 PN 20 1/10; 2/10; 4/10; 5/10
25 2.3 SDR 11 PN 12.5 1/6; 2/6; 4/8; 5/6 160, 200
32 2.9 SDR 11 PN 12.5 1/6; 2/6; 4/8; 5/6 160, 200
Features Standard Unit Value
Density DIN 53 497 g/cm 3 0.94
Elastic Modulus ASTM D790 N/mm 2 620 • Class 1 (70 °C / 8 bar)
Melt Index 2.16 kg ASTM D1238 g/10 min 0.14
(190°C) 5 kg 0.45 • Class 2 (70 °C / 8 bar)
Elongation at Break ASTM D638 % 850
• Class 4 (60 °C / 10 bar)
Tensile Strength at Break ASTM D638 kg/cm 2 430
No • Class 5 (60 °C / 8 bar)
Impact Strength DIN 53453 m.J.mm 2
cracking
Vicat Softening Temperature ASTM D1525 °C 122

 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 PERT 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 PERT.