HDPE channeling ECOPAL - OUTSIDE

for drainage systems

Ecopal pipes outside diameter Polyethylene corrugated pipes standardized on the outside diameter Specifications for the contract High density polyethylene co-extruded twin-wall pipe, plain and violet internally and corrugated and black externally for underground sewer ducts not under pressure manufactured in compliance with the EN 13476type B standard, certified by the P IIP mark and by UNI/IIP mark issued by the Istituto Italiano dei Plastici (Italian Institute for Plastic Materials) stiffness class corresponding to SN 4 (or 8) kN/m2, produced in 6 or 12 meter bars with jointing by means of a PEAD coupling, P IIP and UNI/IIP mark and EPDM lip seal. Pipe must be produced by ISO 9001:2000 and ISO 14001:2004 certified companies (environmental certification). Nominal outer diameter ND ... Minimum inner diameter ID … (≥ than to the minimum established by the reference rule). Ring stiffness class SN measured on samples according to EN ISO 9969 standard. Abrasion resistance certified according to EN 295-3. Tightness of the jointing system certified at 0.5 bar under pressure and 0.3 bar under negative pressure for 15 minutes according to EN 1277 rule. Ring stiffress with application of constant load for 24 hours according to DIN 16961-2. Marking according to the standard, including: trade-mark name, UNI/IIP mark and standard reference, P IIP mark and standard reference, nominal diameter (DN/OD), stiffness class, material, prophile type, application area code, day/month/year, hour/minute of production. Other quality marks required: - CSTBatFrench mar - UGerman mark - AENORSpanish mark