Nws tso siab rauntiaj teb valve qia siabkom nruj ua ke lub valve disc sealing nto nrog lub valve lub rooj sealing nto los tiv thaiv kev khiav ntawm cov xov xwm. Thaum lub sijhawm qhib thiab kaw cov txheej txheem, kev sib txhuam ntawm covntiaj teb valve sealing ntoyog me me, hnav-resistant, qhov qhib qhov siab me me, thiab cov txheej txheem tsim khoom yog qhov zoo. Nws yog feem ntau siv valve nyob rau hauv industrial sector. Ob txoj kab nruab nrab ntawm qhov nruab nrab qhov nkag thiab qhov hluav taws xob yog nyob rau hauv txoj kab ncaj nraim, 180 degree.
