EN 598: 2021 ,le tulaga fa'atonuina aupito lata mai o le EN 598, dpaipa u'amea e fa'agaoioi ai, mea fa'apipi'i (tulilima, tees, reducers, ma isi mea fa'aopoopo), mea fa'aopoopo (flange, soketi, spigot, ma isi mea fa'aopoopo) ma o latou so'oga (E pei o le push-in T-type/K-typeso'oga, so'oga o le flange, so'oga fa'amekanika) mo mana'oga o talosaga otaota ma metotia fa'ata'ita'i

- fa'agaoioia e aunoa ma le mamafa (alavai o le kalave), pe fa'atasi ai ma le mamafa lelei pe leaga;

- e faʻapipiʻi i lalo pe i luga aʻe o le eleele;

- e momoli ai vai i luga o le fogaeleele, otaota o aigavai ma nisi ituaiga o otaota o fale gaosi oloa, i ni faiga eseese pe i ni faiga tuufaatasi;

- Ufiufi le lautele o paipa maiDN 80 i le DN 2600ma tua atu.

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