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Pressure Ratings are calculated using 0.63 design factor for HDS at 73°F as listed in PPI TR-4 for PE 4710 materials. Temperature, chemical and environmental use considerations may require use of additional design factors. Pipe weights are calculated in accordance with PPI-7 TR-7.
Pressure ratings shown are applicable to aqueous solutions including up to 2% hydrocarbons at 80oF. Gajeske HDPE may confirm to these standards: ASTM F714, F2619, D2513, D3350, API 15LE, AWWA C906, AWWA C901, ASTM D3035.
Based on the international standard HDPE pipes are available in all pressure classes, with diameters range from 90mm up to 500mm and it is necessary for lengths of pipes to be supplied by agreement between purchaser & manufacturer.
5 maj 2021 · fabrication of VERSAPIPE® HD100 PW pipe for potable water and wastewater transport applications at operating pressure up to 2,3 MPa (333 psi). The maximum recommended operating temperature for pressure service is 60 °C (140 °F).
1 mar 2020 · CONTINUUM™ DGDA-2490 PE4710 bimodal HDPE resin meeting the cell classification 445574E per ASTM D3350. The material is listed as a standard grade in Plastics Pipe Institute (PPI) TR-4 with HDB ratings of 1 600 psi at 73 °F and a 1 000 psi at 140 °F.
Pressure ratings shown are applicable to aqueous solutions including up to 2% hydrocarbons at 80oF. Gajeske HDPE may confirm to these standards: ASTM F714, F2619, D2513, D3350, API 15LE, AWWA C906, AWWA C901, ASTM D3035.
DR 7 (335 psi) take in consideration pressure class of fitting. Typically, the disinfectant is 3ppm chlorine - and chlorimines (and in some few cases, chlorine dioxide).
