Landing Fire Hydrant & Underground Fire Hydrants Features: 1) Model NO: A)Landing fire hydrants: SS100/65 , SS150/80 B)Underground fire hydrants : SA65, SA100/65 C) Landing dash-against fire hydrant : SSF100/65 2) Nominal diameter (mm) DN100, DN150 3) Nominal Working Pressure : 1.5Mpa, 1.6Mpa 4) Strength Test Pressure : 1.5Mpa, 2.4Mpa 5) Open Height :50mm, 55mm 6) Application : Clear Water , Foam Admixture Liquids