FOOT VALVES yog tsim tag nrho nrog cov ntaub ntawv yas uas muaj zog heev thiab ib txwm nrog cov hlau tsis muaj steel, uas tso cai rau kev ua haujlwm zoo hauv txhua hom kev ua haujlwm. Tag nrho cov no ua ke nrog rau kev siv nyob rau hauv nws tsim thiab nws modular polyvalence, ua ib tug tseem ceeb lub ntsiab nyob rau hauv tsim ntawm nws cov chaw.