◎ bracelet type magnesium alloy sacrificial anode We provide magnesium anode potential negative energy per unit mass occurrence of large, is the ideal sacrificial anode material. Applied to the soil, freshwater and seawater media cathodic protection of metallic structures. Magnesium alloy sacrificial anode according to national standard GB/T17731-2004 "magnesium alloy sacrificial anode" production, for pipe anode also comply SY/T0019-97 "Buried Steel Pipeline Cathodic Protection design specifications." Model Specification Weight MD-114 260 × 185 × 115 × 60 5.5 MD-159 260 × 230 × 160 × 80 7.0 MD-219 260 × 290 × 220 × 115 9.0 MD-273 260 × 344 × 274 × 140 11.0 MD-323 260 × 395 × 325 × 170 13.0