Detailed Product Description Features: 1) Sizes: 40mm - 600mm 2) Seal: brass / cast iron / rubber 3) Body: cast iron 4) Disc: cast iron 5) Bonnet: cast iron 6) Standards: JB, JB/T, DIN 7) Type: two-way cast iron swing check valve 8) Pressure: 1.0 / 1.6MPa (10 / 16kg) 9) Connection type: flange end 10) Control method: automatic 11) Advantage: good appearance, long service life and flexible switch Conveyance: By steam ship