行业新闻

原文
Hard seal butterfly with multi-layer metal to solve the problem of cavitation The rubber seal butterfly valves drawback is that for throttle use, improper use will produce cavitation, so that rubber seat spalling, damage from happening. To this end, the solution of the birth of a new generation of metal sealing butterfly valve cavitation. a three eccentric multi-level metal hard seal butterfly valve disc seals for hard and soft cascading sheet metal to metal sealing and elastic seal the dual advantages, both in the case of low and high temperatures, with excellent sealing performance. b, three-dimensional eccentric structure, seat and disc are almost no friction, the valve is closed when the internal parts is almost no damage; This structure significantly improves the performance of the valve in use. And has more to shut more tightly sealed. c, the stem, the next site is equipped with bushings, each bushing wear and friction resistance is very small, this structure can prevent wear and adhesion, but also to improve life. d, the valve sealing surface surfacing alloy steel or Secretary Starry carbide, stainless steel hard seal butterfly valve sealing surface wear resistance, erosion resistance, corrosion resistance; long service life. e, the unique structure switching torque, flexible, labor-saving, convenient, from the medium pressure high-and low-impact, reliable sealing performance. Can be used for opening and closing and conditioning equipment.
原文来自：http://www.diefa.org

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译文：
橡胶密封蝶阀缺点是作节流使用时，由于使用不当会产生气蚀，使橡胶座剥落、损伤等情况发生。为此，解决气蚀问题的新一代金属密封蝶阀诞生了。 a、三偏心多层次金属硬密封蝶阀的蝶板密封圈为软硬层叠式金属片，具有金属密封和弹性密封的双重优点，无论在低温和高温情况下，均具有优良的密封性能。 b、采用三维偏心结构，阀座与蝶板几乎无磨擦，在关闭时阀门内部零件几乎无损伤；这种结构大大地提高了阀门在使用中的性能。且具有越关越紧的密封功能。 c、在阀杆的上、下部位装有衬套，而每个衬套产生的磨损和摩擦阻力很小，这种结构完全可以防止磨损和粘连，同时也提高使用寿命。 d、阀体密封面采用堆焊合金钢或司太立硬质合金，不锈钢硬密封蝶阀的密封面耐磨损，耐冲刷、耐腐蚀；使用寿命长。 e、结构独特，开关力矩小，操作灵活、省力、方便、不受介质压力的高、低影响，密封性能可靠。可作启闭和调节设备用。

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