高性能三偏心蝶阀的简单介绍The use of temperature -196 ℃ ~850 ℃, working pressure PN0.6--10Mpa or 150 - 160 pound. The valve高性能三偏心蝶阀的详细信息高性能三偏心蝶阀The valve is used on the high, high temperature, low temperature, low pressure in the pipeline, in the closed sealing device, a throttling device and a regulating device. Widely used in petroleum, chemical, metallurgy, mine, electric power, energy, transportation, water, farmland, environmental protection, architecture, medicine, bio industry. Especially suitable for sealing requirements more stringent conditions, such as gas, water, steam, oil is also used, air, dust and gas, nitric acid and other corrosive media. The use of temperature -196 ℃ ~850 ℃, working pressure PN0.6--10Mpa or 150 - 160 pound. The valve can replace bulky, high prices of the gate valve, globe valve, ball valve, throttle valve, and as a country into the product. Three butterfly valve applicable standards. The GB standard butterfly valve Design and manufacture of acceptance by GB12238-89; JB/T8527-1997 rules. The length of the structure according to the provisions of GB12221-89, double flange manufacturing by short series, clamp connections DN40~65, DN1400~2000 according to the long series, DN80~600 in the series, DN700~1200 produced by short series (≥ 4.0Mpa, which references the MSS SP-68 standard). Butt welding flange series. The size of GB/T9113.1-2000, GB/T9113.2-2000 standard and GB9113.8-1988 standard flange. Valve inspection and test according to GB/T13927. American Standard pound valve standards: · design manufacturing approval according to the provisions of API609 lug and flat type butterfly valve |