composite materail embedded round falp gate

Caliber side: round DN300mm 2000mm square 300mm 3000mm 1.*Working medium: with a ph of industrial, domestic sewage, seawater, river water, with a weak acid alkali industry, domestic sewage, seawater 2.*Working temperature : ≤60°C, and according to use requirement , the maximum temperature resistance of flap valve can be designed to reach 100°C 3.*Working pressure : normal pressure to 0.25Mpa 4.*Seal type :lip-shape seal , hollow round pipe seal 5.*Open angle of flap valve cover : more than 75° 6.*Open when the water level inside flap valve cover is higher than outside water level by 50mm 250mm ( related to flap valve obliquity , weight and caliber size ) , and it can be designed according to the demand of the customer. 7.*hardness : ≥40 8.*Specific gravity: 1.6 1.9 9.Use life: more than thirty years model DN D D1 L b JY-HDPE-Y-6-0.25-300 300 440 320 300 30 JY-HDPE-Y-6-0.25-400 400 560 425 350 30 JY-HDPE-Y-6-0.25-500 500 670 530 400 35 JY-HDPE-Y-6-0.25-600 600 780 635 450 35 JY-HDPE-Y-6-0.25-700 700 895 740 450 40 JY-HDPE-Y-6-0.25-800 800 1010 845 500 40 JY-HDPE-Y-6-0.25-900 900 1110 950 500 45 JY-HDPE-Y-6-0.25-1000 1000 1220 1055 550 45 JY-HDPE-Y-6-0.25-1100 1100 1320 1160 550 50 JY-HDPE-Y-6-0.25-1200 1200 1450 1265 600 50 JY-HDPE-Y-6-0.25-1300 1300 1560 1370 600 55 JY-HDPE-Y-6-0.25-1400 1400 1670 1475 650 55 JY-HDPE-Y-6-0.25-1500 1500 1775 1580 700 60 JY-HDPE-Y-6-0.25-1600 1600 1915 1685 750 60 JY-HDPE-Y-6-0.25-1700 1700 2015 1790 800 65 JY-HDPE-Y-6-0.25-1800 1800 2115 1895 850 70 JY-HDPE-Y-6-0.25-1900 1900 2220 2000 900 75 JY-HDPE-Y-6-0.25-2000 2000 2325 2105 950 80 Notice: the nominal diameters DNand flange bolt hole distance D1,hole number, hole diameter etc. In this table can be designed based on the demand of the customer. Take * number specification for non-standard products.