I-valve butterfly light lightweight, i-corrosion resistance, isetshenziswa emikhakheni eminingi, njengamanzi ahlanzekile kanye nohlelo lwamapayipi amanzi okuphuza aluhlaza, uhlelo lwamapayipi okukhipha amanzi kanye nendle, amanzi anosawoti namanzi olwandle, i-asidi ne-alkali kanye nesistimu yesisombululo samakhemikhali nezinye izimboni. , ikhwalithi ibonwe iningi labasebenzisi.
Usayizi: 2″, 2-1;2″, 3″, 4″, 6″;