Key Specifications/Special Features: ? Body materials: A105, WCB,CF3,CF8,LCB, F304L, F316, F316L.etc ? Manufacturing standards: API, ANSI, BS, DIN, and JIS ? Pressure: ANSI 800LB-2500LB ? Connection: Flange Gate valves and butt-welded ? Size range: 1/2"-4" ? Test standard: CE,ISO9001:2000, API 6D ,AZ ? Operated way: lever, gear ? Suitable media: water, oil, gas ,marine,chemical ? Full port or Reduce port Notes: The specifications can be designed and satisfied for your special requirement. ball valve , ball valve manufacturers