Aotelega o paipa erw/hfw
ERW paipa o le acronym mo le tetee eletise uʻamea paipa uʻamea, ma le paipa HFW o loʻo faʻatusalia maualuga-alave uelo (HFW) paipa uʻamea & paipa. O paipa e faia i le u'amea u'amea ma o le su'iga uelo e fa'asolosolo tutusa ma le paipa. Ma o se tasi lea o meafaigaluega sili ona lelei i faʻatoʻaga, alamanuia, ma galuega faufale. O le gaosiga o le gaosiga o paipa uamea ERW e aofia ai le HFW. O le ERW e aofia ai le maualalo, feololo, ma le maualuga-telefoni uelo, ae o le HFW e faapitoa lava mo le maualuga o le paipa uelo eletise.
Vaega o paipa erw/hfw
1. Pe a faatusatusa i isi ituaiga o paipa uelo, paipa ERW e sili atu i le malosi.
2. sili atu le faatinoga nai lo paipa uelo masani ma tau maualalo nai lo paipa seamless.
3. O le gaosiga o paipa ERW e sili atu le saogalemu nai lo isi paipa uelo.
Parameter o paipa ERW/HFW
Vasega | API 5L GR.B, X80 PSL1 PSL2 AS1163 / 1074, BS1387, ISO65, JIS G3444 / 3445 / 3454 / 3452 API 5CT H40 J55 K55 L80-1 N80 P110 ASTM A53 GR.A / GR.B, A252 GR.1 / GR.2 / GR.3 |
C250 / C250LO / C350 / C350LO / C450 / C450LO EN10219 / 10210 / 10217 / 10255 | |
P195GH / P235GH / P265GH STK290-STK540, STKM11A-STKM14C, STPG370 / STPG410 / S195T S235JRH, S275JRH, S275J0H, S275J2H, S355J0H, S355J2H, S355K2H | |
Tele | Vaitafe i fafo: 21.3-660mm Malosi o le Pa: 1.0-19.05mm |
Fa'aaogāga
● Faufale/mea faufale paipa u'amea
● fausaga uamea
● paipa faufau
● Pa pou uamea paipa
● paipa uʻamea puipuia afi
● Greenhouse paipa uamea
● Suavai maualalo maualalo, vai, kesi, suauu, paipa laina
● paipa vai
● paipa alavai