DIN 30670 inoreva machira e polyethylene pamapombi esimbi uye mafittings-Zvinodiwa uye kuyedzwa.

Iyi chiyero inotsanangudza zvinodiwa pafekitori-yakaiswa matatu-layer extruded polyethylene-based coatings, uye imwe-kana yakawanda-layered sintered polyethylene-based coatings yekudzivirira ngura yesimbi pombi uye fittings.The coatings akakodzera kudzivirira akavigwa kana kunyura simbi pombi panguva kugadzira tembiricha ye-40 °C kusvika +80°C. Muyero uripo unotsanangura zvinodikanwa zvejasi rinoiswa pairiLSAW simbi pombi or mapaipi esimbi asina musono uyefittings inoshandiswa pakugadzira mapaipi ekutakurisa zvinwiwa kana magasi.Kushandisa chiyero ichi kunovimbisa kuti iyo PE coating inopa dziviriro yakakwana kubva kumagetsi, kupisa uye kemikari mitoro inoitika panguva yekushanda, kutakura, kuchengetedza uye kuisa.DIN EN ISO 21809-1 inotsanangura zvinodiwa padanho repasi rose kune matatu-layer extruded polyethylene- uye polypropylene-based coatings yemapombi esimbi epetroleum uye gasi rechisikigo pombi yekufambisa masisitimu.Aya minda anotevera ekushandisa haana kufukidzwa neDIN EN ISO 21809-1:─ese polyethylene-based coatings emapombi esimbi uye mafittings anoshandiswa kufambisa uye kugovera mvura nemvura yetsvina,─ese ma polyethylene-based coatings emapombi esimbi uye zvigadziriso mukugovera mapaipi egasi uye mvura midhiya,─single- and multi-layer sintered polyethylene-based coatings yemapombi esimbi uye mafittings anoshandiswa pakutakura mapaipi nemapaipi ekuparadzira.Maviri-layer polyethylene-based coatings akamisikidzwa padanho reEuropean muDIN EN 10288 iyo yakaburitswa muna Zvita 2003.

Zvishandiso zvichasarudzwa nekufunga kwecoater nekuti, zvichienderana nekuisa uye kupfekedza maitiro, zvinhu zvakasiyana-siyana zvinogona kushandiswa kutevedzera zvidiki zvinodiwa zvinotsanangurwa muyero iyi yekupfeka yakapedzwa.Zvose zvinotsauka zvinodikanwa zvemutengi maererano nezvinhu zvichashandiswa zvichaenderana nekubvumirana.Pamusoro pacho pachagadzirwa nekubvisa ngura nenzira yekuchenesa.Kucheneswa kwekuputika uye chero basa rinodiwa rinotevera harizokonzeri kuderedzwa kwehudiki hwemadziro ukobvu hunotsanangurwa mune tekinoroji yekuunza zviyero zvepombi yesimbi.Yasara abrasive guruva ichabviswa isati yaiswa.