... 3. tem.-23-80C 4. ISO lever handle butterfly valve 1. Butterfly Valve Product model:WD7A1X-10ZN2. Nominal Diameter:DN40-150MM3. ... related companies , Their Relationship will be affirmed according to china laws and regulations , also it will be clearly display ... Line Capacity Actual Units Produced(Previous Year) Butterfly Valve, Gate Valve, Strainer, Ball Valve, Check Valve 127,200 Sets, (Per year) 80, ...