Ukufakwa kwepayipi kuyingxenye ehlanganisa ipayipi ibe yipayipi.Ngokwendlela yokuhlanganisa, ingahlukaniswa ngezinhlobo ezine: ukufaka ipayipi lesokhethi, ukufaka ipayipi elinentambo, ukufaka amapayipi ane-flanged kanye nokufakwa kwamapayipi ashiselwe.Indololwane isetshenziselwa ukuphenduka kwepayipi;i-flange isetshenziselwa ukwenza ipayipi Izingxenye ezixhunywe epayipini zixhunywe ekugcineni kwepayipi, ipayipi le-tee lisetshenziselwa indawo lapho amapayipi amathathu eqoqwe khona, ipayipi elinendlela emine(ipayipi eliphambanayo) lisetshenziselwa indawo. lapho amapayipi amane eqoqwe khona, futhi ipayipi yokunciphisa isetshenziselwa ukuxhuma amapayipi amabili amadayimitha amapayipi ahlukene.