wedding water flow indicator 1.saddle,thread,welding and flange four type 2.ductile cast iron 3.12bar--16bar 4.WP:1.2Mpa wedding water flow indicator1.saddle,thread,welding and flange four type2.ductile cast iron3.12bar--16bar4.WP:1.2Mpa 1.detail picture2.Technical Parameter Installation connection type flange type wedling type saddle type threaed typeModel specification ZSJZ ZSJZ/H ZSJZ/AZSJZ/ ...