Isu tinoongorora mavharuvhu ebhora, mavharuvhu ekutarisa, mavharuvhu egedhi, mavharuvhu eglobhu, butterfly mavharuvhu, block uye kubuda ropa mavharuvhu se API6D & API 15000. Material yemavharuvhu anogona kugadzirwa (semuenzaniso as per ASTM A105 forgings, ASTM A216 WCB for castings, ASTM A351 CF8M castings Stainless eel uye duplex giredhi F51.