Ukufakwa kwamapayipi wensimbi kwenziwa ngamapayipi e-carbon noma ama-alloy, amashidi, amaphrofayli, futhi abe nemvuka ebavumela ukuba isebenze (shintsha indlela noma isilinganiso soketshezi) ohlelweni lwamapayipi. Lezi zinto zezesekeli zifaka phakathi ama-elbows ensimbi (ama-degree angama-45 noma ama-90 degree), ama-tees, ama-reducers (ama-eccentric noma ama-eccentric amunyu), iziphambano, amakhethini, amajoyipha, ama-gaskets, ama-stud, njll.