Flange pneumatic marking tshuab tuaj yeem siv rau qhov loj thiab nyuaj txav cov khoom kos npe, tsim kom muaj nuj nqis rau cov neeg siv khoom, tus nqi zoo ntsug kos tshuab;kev kos npe ntawm flanges thiab lwm yam khoom yog qhov tsim nyog rau cov tshuab pneumatic.Lub tshuab npav yog siv dav hauv kev lag luam flange, thiab qhov pom tseeb tshaj plaws yog daim ntawv thov ntawm pneumatic npav tshuab.