Izixhumi zephayiphi zensimbi zisetshenziswa ukuxhuma amaphayiphi ensimbi. Ziyimikhiqizo yokucubungula ethulwe phansi embonini yamaphayiphi ensimbi, zisetshenziswa ekuhlanganiseni amaphayiphi ngezindlela ezifana nokuhlanganiswa kwe-socket, ukuxhumana kwe-threaded, ukuxhumana kwe-flange, noma ukuxhumana okusheshayo ukuze kuhlangatshezwane nezidingo ezihlukahlukene zobunjiniyela.

Ihlukaniswe ngokusebenza, izinsiza zephayiphi zensimbi zifaka ikakhulukazi izinsiza zokufaka (ezixhumanisa amaphayiphi amabili aqondile), ama-reducers (axhumanisa amaphayiphi anobubanzi obuhlukile), ama-elbows (njenge 90° noma 45° elbows, asetshenziselwa ukushintsha umkhondo wamaphayiphi), ama-tees (okwehlukaniswa kwamaphayiphi), kanye nezinsiza zokuxhumana (okwehlukaniswa okwenziwe ngendlela ye-cross). Ngokwehlukaniswa kwezinto, izinsiza zephayiphi zensimbi zingahlukaniswa zibe izigaba ezintathu: insimbi ebomvu, i-brass, kanye ne-bronze. Izinsiza zephayiphi zensimbi ebomvu (njenge T2 noma TP2) zinephunga elibomvu, zine-ductility enhle, kanye nokuhamba kahle kokushisa nokuhamba kukagesi, futhi zisetshenziswa kakhulu emanzini, ekupholiseni, nasezishintsheni zokushisa. Izinsiza zephayiphi ze-brass (ama-alloys ensimbi ne-zinc, njenges H59 noma H62) zinezimfanelo ezinhle zomshini, kulula ukuzenza, futhi ziqinile ekugugeni, okwenza kube yohlobo olusetshenziswa kakhulu, ikakhulukazi ezifanele emanzini, igesi, kanye nezinsiza zokuhlanzeka. Izinsiza zephayiphi ze-bronze (ezine-insimbi, ithini, i-phosphorus, njll.) zinegunya eliphezulu, ziqinile ekugqokeni nasekugugeni, ikakhulukazi ziqinile ekugugeni kwamanzi olwandle, futhi zisetshenziswa kakhulu ekwakhiweni kwemikhumbi, emikhiqizweni yekhemikhali, nasezinhlelweni ezinzima. Ngokwemikhuba yokuxhuma, izinsiza zephayiphi zensimbi zifaka ukuxhumana okunezintambo (oxhunywe ngok tightening izintambo zangaphakathi nezangaphandle, ezifanele izinhlelo eziphansi zok pressure ezifana namaphayiphi amanzi noma amaphayiphi egasi), ukwelashwa kwe-socket (iphayiphi lifakwa ku-socket futhi lihlala, linikeza amandla aphezulu okuxhumana nokuhlala kahle, okufanele izinhlelo eziphezulu zok pressure nezishisayo ezifana nokupholisa noma amaphayiphi e-hydraulic oil), ukuxhumana kwe-flange (oxhunywe nge-flanges kanye nezibambo ezine-gasket yokuhlala phakathi, ezifanele amaphayiphi amakhulu noma amaphayiphi adinga ukuvulwa kaningi), kanye nezixhumi ezisheshayo (njengezixhumi zokucindezela noma izixhumi ezisheshayo, eziklanyelwe nge-snap-fit ​​noma izindlela zokuvula, zivumela ukuxhumana okusheshayo nokuhlukaniswa ngaphandle kwezinsiza, zisetshenziswa kakhulu nezinsiza ze-pneumatic noma ezimweni ezidinga ukuvulwa nokuhlanganiswa kaningi). Izinsiza zephayiphi zensimbi zisetshenziswa kakhulu emishinini yokupholisa, ezinhlelweni zokuhlinzeka ngamanzi, ezimotweni, emikhumbini, nasezinhlelweni zokuhlunga amanzi olwandle. Emkhakheni wokwakha, zisetshenziswe ezinhlelweni zokuhlinzeka ngamanzi ezinhlelweni ezifana ne-Great Hall of the People kanye ne-National Centre for the Performing Arts eBeijing. Ngokuthuthukiswa kwezinga lokusebenza kwamandla kokupholisa, ukusetshenziswa kwezinsiza zephayiphi zensimbi ezishintsheni zokushisa kuye kwanda, lapho imishini yokupholisa neye-air conditioning ithola cishe u-75% wokusetshenziswa kwephayiphi zensimbi.