Detailed Product Description Features: 1) Sizes: 100mm - 800mm 2) Seal: stainless steel / fluorine plastic 3) Body: cast steel 4) Disc: cast steel 5) Stem: stainless steel 6) Standard: JB, GB/T, DIN 7) Type: two-way cast steel butterfly valve 8) Pressure: 1.6MPa (16kg) 9) Connection type: flange end 10) Control method: gear driven 11) Advantages: good appearance, long service life and flexible switch Conveyance: By steam ship