Zitsulo zopangira zimapereka mwayi woyenera kuyeretsa, kuyeserera kapena kusintha. Nthawi zambiri amabwera motsatana koma amathanso kubwera m'magulu osiyanasiyana komanso amakona. Ma flanges amalumikizidwa wina ndi mnzake pobowola komanso wolumikizidwa ndi makina opukusa ndi kuwotcherera kapena kuluma ndipo amapangidwira kusokonekera kwamphamvu; 150lb, 300lb, 400lb, 600LB, 900LB, 1500LB ndi 2500Lb.
ASTM A350 LF1, LF2 Cl1 \ / cl2, lf3 cl1 \ / cl2 ma carbon, almon, nicken, nicken, nickel ndi mankhwala ena apadera omwe amathandizira kulimbitsa thupi.