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Transportation of Solids through Plastics Pipes



Plastic Pipes Conference Association # 1982 York


Plastic pipes, in particular High Density Polyethylene (HDPE) have found wide acceptance for the hydraulic transportation of bulk materials.
This paper discusses the applications of plastic pipes on the basis of the following criteria: strength under internal pressure, abrasion resistance, corrosion resistance, loss due to friction. Insensitivity of the EDPF pipes to pressure surge enables them to be dimensioned on the basis of the working pressure. The laying of plastics pipeline systems underground and in the open is dealt with in the relevant directions ana standards.

Plastic pipes made from unplasticised PVC (UPVC), high density polyethylene (HDPE) and polypropylene (PP) have already been used successfully in many applications. PVC and HDPE pipes in particular, are well established for water and gas supply and effluent discharge. It seemed an obvious idea to use pipes made from such plastics for the hydraulic transportation of solids in view of their excellent corrosion resistance and ease of handling due basically to their light weight and flexibility (1,2). Abrasion tests show that plastic pipes, and particularly EDPE pipes, may be classified as wear resistant materials.

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Members of the Association

BOREALISBOROUGEFormosa Plastics CorporationHanwha TotalEnergiesINEOS O&PIRPCKorea Petrochemical IND. Co., LTD (KPIC)LyondellBasellPetroChina Dushanzi Petrochemical CompanyPRIME POLYMERSABICSCG Chemicals & Thai PolyethyleneSinopecTASNEE