Ivalve yokujonga i-swing engabuyi isetyenziswe kwimibhobho phantsi koxinzelelo phakathi kwe-1.6-42.0. Ubushushu bokusebenza phakathi kwe-46℃-570℃. Zisetyenziswa ngokubanzi kumashishini abandakanya i-oyile, ikhemistri, amayeza kunye nokuveliswa kwamandla ukukhusela ukuhamba ngasemva kwe-medium.And ngexesha elifanayo, imathiriyeli yevalvu ingaba yiWCB, CF8, WC6, DI kunye njl.