Test basé sur BS EN ISO 1452-3
| Article | Exigence | |
Extérieur | La surface doit être lisse et plate, sans fissures, bulles, pelage, impuretés évidentes, points froids graves, couleur inégale, décomposition et décoloration ne sont pas autorisés | ||
Taille | Conforme aux exigences de la norme BS 4346, clause 3.3, tableau 1 | ||
Essai au four | Température d'essai : temps d'essai | 150±2℃ 15min30min60min140min220min240min | |
Aucune bulle sérieuse, délaminage ou fissure de la ligne de soudure n'est requise | |||
Vika | ≥74℃ | ||
Pression interne | dn<160mm, 20℃, pression 4.2xPN, 1hdn≥160mm, 20℃, pression 3.36xPN, 1h, aucune fissure n'est requise | ||
Marquage | Conformez-vous à 13.2 de la norme BS EN ISO 1452-3:2009 et exigez un numéro de norme, une marque, une taille, une matière première, une valeur PN, utilisez W/P | ||
Tests: | Requirement/test standard：W534 | Initial type test | Self-monitoring | Third-party control |
Hygiene | Fitting has to fulfil KTW-recommendations | Yes | Documentation | 1 x per year |
Material acc. work sheet W 270 and organoleptic test following KTW-recommendations | Yes | Documentation | check of doc | |
Raw material (PP-R) | Long-term behaviour acc. ISO 9080 and table 7 | Normally by test report | No | No |
Melt mass-flow rate (MFR) 190/5 < 0.2 g/10 min（ | Yes | 1 x per week | 2 x per year | |
Hydrostatic pressure tests | At 20°C, 1 hour, 6.40MPa , no burst ,no leakage20°C。At 95°C, 1000 hour, 1.40MPa , no burst ,no leakage95°C。 | Yes | 1 x per month 20°C/6.40 MPa /≥1h | 2 x per year |
Dimension and tolerance | Acc. to the tables of DIN 16962and EN 10226-1 | Yes | Continuously | 2 x per year |
Tightness under pressure cycling | Tight after 10,000 cycles (30 cycles/min) at 20 °C between 1 and 25 bar | Yes | No | No |
Thermal cycling | Tight after 5,000 cycles (1 cycle = 30 min) between 20 °C and 93 °C,10 bar internal pressure10 bar | Yes | No | No |
Bending | Tight under bending with 8xd at 18 °C / 15 bar/ ≥ 1 h18 °C | Yes | No | No |
Marking | Min.: DVGW and reg. no., PP-R, pipe-Ø, thread- Ø system name | Yes | Continuously | 2 x per year |
Homogeneity | ≤ 0.02 mm² / evaluation on microtome with 10 μm, scale of enlargement 75-100, determined surface min. 100 mm² | Yes | 1 x per week | 2 x per year |
