球阀: 浮动球阀
浮动球阀原理:浮动球阀由两片阀座支撑一个浮动球。在介质的压力作用之下,球本身会产生一定的位移,以致压到阀座密封环的出口处,产生密封作用。浮动球阀根据结构可分为一体式球阀结构,和分体式球阀结构。
设计特点:
球阀根据标准ISO17292、API 608、BS 5351、GB/T 12237设计
结构简单,密封性能好,扭矩小
缩径和通径结构均带有最低流动阻力设计(实际为0)
低泄露填料
防火,防静电,防阀杆防吹出设计
带锁装置
产品范围:
体材料: ASTM：A105、LF2、F304（L）、F316（L）、F51、F6a、Hc、HB、20Alloy、WCB、CF8、CF8M、CF3、CF3M等
阀座材料：PTFE、R.PTFE、PEEK、PPL、PA12、PFA
口径:1/2"~10"(DN15~DN250)
连接方式:RF, BW, THR
压力范围:Class150 – 300(PN16~PN40)
工作温度:-46℃ - +200℃
操作方式:手柄,蜗轮,电动，气动等
应用范围：适用于石油、化工、石化、冶金、轻工、炼油、电厂、食品、医药、造纸、矿产等
适用介质：淡水、海水、空气、气体、煤气、食品、药品、化学制剂、各种油类、酸类、碱类、盐类及各种有机物料
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