ʻO DIN 30670 e pili ana i nā uhi polyethylene ma nā paipu kila a me nā mea pono–Nā koi a me nā ho'āʻo.

Hōʻike kēia maʻamau i nā koi no nā ʻāpana polyethylene extruded extruded polyethylene i hoʻohana ʻia i ka hale hana, a me hoʻokahi a i ʻole multi-layered sintered polyethylene-based coatings no ka pale ʻino ʻana o nā paipu kila a me nā mea pono.Ua kūpono nā uhi no ka pale ʻana i nā paipu kila i kanu ʻia a i ʻole i lalo i nā wela hoʻolālā o–40 °C a hiki i +80°C. Hōʻike ka maʻamau o kēia manawa i nā koi no nā uhi i hoʻopili ʻiaLSAW paipu kila or paipu kila ʻole anā lako hoʻohana ʻia no ke kūkulu ʻana i nā paipu no ka lawe ʻana i nā wai a i ʻole nā ​​​​gasana.ʻO ka hoʻohana ʻana i kēia maʻamau e hōʻoiaʻiʻo i ka uhi ʻana o ka PE e hāʻawi i ka pale kūpono e kūʻē i nā kaumaha mechanical, thermal a me nā kemika e kū nei i ka wā o ka hana, lawe ʻana, mālama a hoʻokomo.Hōʻike ʻo DIN EN ISO 21809-1 i nā koi ma ka pae honua no ka ʻekolu-layer extruded polyethylene- a me ka polypropylene-based coatings no nā paipu kila no ka ʻaila a me nā ʻōnaehana pipeline pipeline.ʻAʻole uhi ʻia nā māhele o ka noi e DIN EN ISO 21809-1:─ʻO nā uhi polyethylene a pau no nā paipu kila a me nā mea pono i hoʻohana ʻia no ka lawe ʻana a me ka hāʻawi ʻana i ka wai a me ka wai ʻino,─ʻO nā uhi polyethylene a pau no nā paipu kila a me nā mea pono i nā paipu hoʻohele no nā mea kinoea a me ka wai,─hoʻokahi a me ka multi-layer sintered polyethylene-based coatings no nā paipu kila a me nā mea pono i hoʻohana ʻia no ka lawe ʻana i nā pipelines a me nā paipu hoʻohele ʻO ka maʻamau o kēia manawa ke kūpaʻa nei no nā māhele o luna.Hoʻonohonoho ʻia nā ʻāpana polyethylene ʻelua-layer ma ka pae ʻEulopa ma DIN EN 10288 i paʻi ʻia ma Dekemaba 2003.

E kohoʻia nā mea i ka manaʻo o ka mea hoʻopili no ka mea, ma muli o ke kaʻina hana a me ka hoʻopiliʻana, hiki ke hoʻohanaʻia nā mea likeʻole no ka hoʻokōʻana i nā koi liʻiliʻi i'ōleloʻia ma kēia kūlana no ka hoʻopauʻana.ʻO nā koi ʻē aʻe o ka mea kūʻai aku e pili ana i nā mea e hoʻohana ʻia e pili ana i ka ʻaelike.ʻO ka hoʻomaʻemaʻe pahū a me nā hana e pono ai ma hope, ʻaʻole ia e hōʻemi i ka mānoanoa liʻiliʻi o ka pā i kuhikuhi ʻia ma nā kūlana hoʻopuka ʻenehana no ka paipu kila.E wehe ʻia ke koena o ka lepo abrasive ma mua o ka uhi ʻana.