Choke valve ke karolo e ka sehloohong ea sefate sa Keresemese 'me e etselitsoe ho laola tlhahiso ea seliba sa oli, lisebelisoa tsa' mele le likarolo tsa choke valve li lumellana ka ho feletseng le API 6A le NACE MR-0175 Standard Specifications, 'me e sebelisoa haholo. bakeng sa ho cheka peterole ea lebopong le kantle ho naha. The valve throttle e sebelisoa haholo-holo ho lokisa phallo le khatello ea tsamaiso e mengata; Ho na le mefuta e 'meli ea li-valve tsa ho laola phallo: tse tsitsitseng le tse feto-fetohang. Li-valve tsa throttle tse feto-fetohang li arotsoe ka mofuta oa nale, mofuta oa letsoho la ka hare la cage, mofuta oa letsoho la ka ntle la cage le mofuta oa poleiti ea orifice ho latela sebopeho; Ho ea ka mokhoa oa ts'ebetso, e ka aroloa ka tataiso le hydraulic tse peli. Khokahano ea ho qetela ea Valve ea choke ke khoele kapa Flange, e hokahantsoeng ke bao eseng kapa flange. Choke valve e oela ka har'a: valve choke e ntle, valve choke ea nale, valve ea choke e feto-fetohang, valve ea choke ea cage le orifice choke valve, joalo-joalo.