LUG Butterfly Valve 1.Size:DN40(1.5")-DN1000(40") ... 3.A/LT Wafer Butterfly Valve 4.PN10/16, A LUG Butterfly Valve Size: DN40(1.5")-DN1800(72")Nominal ... compact construction, quick 90 degrees on-off operation3. Minimized operating torque, energy saving4. Flow curve teeing to straight line, excellent regulation ... -DN800Materials List of DN900-DN1000Technical Data of DN900-DN1000 LUG Butterfly Valve