1. City gas: kesi gaosiga o paipa, laina autu ma sapalai paipa o laina fafaga uma, ma isi.
2. Faʻavevela tutotonu: paipa gaosiga, laina autu ma laina lala o mea faʻavevela tetele.
3. Fa'afesuia'i vevela: paipa ma matasele tatala ma tapuni.
4. Galuega u'amea: paipa tafe eseese, kesi fa'amalolo paipa, kesi ma vevela tu'uina atu paipa, suauu tu'uina paipa.
5. Uelo atoatoaValve Polotu'ufa'atasiga u'u polo valve o lo'o fa'aaogaina i meafaigaluega tau alamanuia eseese: va'aiga vevela vevela, eseese kesi fale gaosimea ma pipelines vevela.
1, uelo polo valve tino ma faaleleia e uelo uma ma le faamaufaailoga o, e mafai ona i le faagaoioiga soo, le mama ma vailaau i lalo o le tulaga o le olaga umi.
2.Welded integral ball valve oloina polo uamea e mafai ona mautinoa o le tele o tausaga o tatala ma tapunia, faagaoioiga faatuatuaina.
3. Faatasi ai ma le polo opeopea ma le fausaga faʻamau, o le vaalele faʻapipiʻi e faʻamalosi e faʻamautinoa ai o loʻo faʻapipiʻi le mama faʻamau i luga o le polo, ma e mafai ona faʻamausali le valve e oʻo lava i lalo o le mamafa o le mamafa.
4.O le leakproof structure of the welded ball valve stem FA'A'O mama o lua e fa'agaioi saoloto ma fufusi le au.
5.E le manaʻomia le tausiga, fetuunaiga ma le lubrication, faigofie ona faʻapipiʻi, faʻaogaina i lalo ole tau maualalo.
6. Welded ball valve stem e mafai ona faʻalauteleina ma faigofie ona faʻamafanafana.
7. E mafai ona aveese le au ma sui.
8.Fully welded polo valve tino e le o aofia ai castings mamafa ma le faatuatuaina.
9.Install regulator, sili saogalemu valve.