Hoʻokomo ʻia ka valve butterfly flanged Eccentric i kahi sila disiki kūpaʻa paʻa maikaʻi a i ʻole kahi noho kino kino.ʻEkolu mau hiʻohiʻona kūʻokoʻa o ka valve: liʻiliʻi ke kaumaha, ʻoi aku ka ikaika a me ka torque haʻahaʻa.