Umbhobho wepayipi ngumbhobho wokwenza umbhobho ofakwe kwi-weld ekupheleni kombhobho okanye ufakwe kwintambo yangaphandle yokuphela kombhobho ukugubungela umbhobho.Isetyenziselwa ukuvala umbhobho kwaye inomsebenzi ofanayo kunye neplagi yombhobho.Umnqwazi wombhobho weconvex uquka: umnqwazi wombhobho we-hemispherical, i-oval pipe cap, iminqwazi yesitya kunye neminqwazi engqukuva.Izigqoko zethu ziquka i-carbon steel caps, i-stainless steel caps, i-alloy caps, njl., ezinokuhlangabezana neemfuno zakho ezahlukeneyo.