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Ecopal pipes internal diameter, Polyethylene corrugated pipes standardized on the inside diameter, Sewage, production and sale polyethylene corrugated pipes and pead
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| Ecopal pipes internal diameter |
| Polyethylene corrugated pipes standardized on the inside diameter |
The constant search for innovating products together with the need to meet the customer's requirements lead Polieco to develop the project concerning the production of Ecopal pipes, which were standardized on the inside diameter.
| Products range |
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| Inner diameter (mm) |
300 |
400 |
500 |
600 |
800 |
| Outer diameter (mm) |
350 |
465 |
580 |
700 |
930 |
| N° of 6 m bars in one pallet |
10 |
5 |
4 |
Loose |
Loose |
| Meters per truck |
480 |
240 |
192 |
144 |
72 |
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Specifications for the contract |
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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/a 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/a and UNI/IIP mark and EPDM lip seal.
Pipe must be produced by ISO 9001:2000 and ISO 14001:2004 certified companies (environmental certification).
1.
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Inside nominal diameter DI... |
| 2. |
SN ring stiffness measured on product test pieces according to EN ISO 9969. |
| 3. |
Resistance to abrasion tested in compliance with EN 295-3 standard |
| 4. |
Joint watertightness test certified at 0.5 bar under pressure and 0.3 bar negative pressure for 15 minutes according to EN 1277 standard. |
| 5. |
Ring stiffress with application of constant load for 24 hours according to DIN 16961-2. |
| 6. |
Marking according to the standard, including: trade-mark name, UNI/IIP mark and standard reference, P IIP mark and standard reference, nominal diameter (DN/ID), stiffness class, material, prophile type, application area code, day/month/year, hour/minute of production. |
| 7. |
Other quality marks required:
- U German mark |
| Flow rate table |
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Comparison between an Ecopal pipe and a PVC pipe flow rates with 95% filling percentage.
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DN/
ID |
Ecopal
300
300 |
Pvc
315
299,6 |
Ecopal
400
400 |
Pvc
400
380,4 |
Ecopal
500
500 |
Pvc
500
475,4 |
Ecopal
600
600 |
Pvc
630
599,2 |
Ecopal
800
800 |
Pvc
800
760,8 |
2 |
Q(l/s) |
48 |
48 |
104 |
91 |
189 |
165 |
307 |
306 |
661 |
578 |
| 5 |
Q(l/s) |
76 |
76 |
165 |
144 |
298 |
261 |
485 |
483 |
1045 |
914 |
| 1% |
Q(l/s) |
108 |
108 |
233 |
204 |
422 |
369 |
686 |
684 |
1478 |
1292 |
| 5% |
Q(l/s) |
242 |
241 |
520 |
455 |
944 |
825 |
1534 |
1529 |
3304 |
2890 |
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The calculation has been made by the GAUCKLER – STRICKER method. The roughness parameter suggested by ASTM for standard ducts with manholes, adapters, bends and gully pots: Ks = 80.
The suggested velocities are:
- 0.5 to 4 m/s for black waters
- 0.5 to 7 m/s for rainwaters.
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Technical characteristics |
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