球阀: 固定式球阀
侧装式固定球阀可设计成分体式和三片式,带有两个在介质压力下可移动的浮动阀座,在阀座的底部配有特定的弹簧以确保两个阀座能够紧密的贴近球体,在介质压力的作用下,推动球跟阀座更加紧贴,确保实现密封。
固定球阀配备可移动的阀座密封环,密封环在介质的压力之下,会产生移位,只有介质压力存在,压力会推动阀座密封环紧贴球体,确保密封效果。
设计特点:
设计标准ISO14313,API 6D,BS 5351,GB/T 19672
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)
紧急注脂密封结构
中腔自动泄压设计
独立球体和阀杆结构
防火,防静电,防阀杆冲出设计
阀门阀座功能DBB, DIB-1, DIB-2
产品范围:
阀体材料: 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: 2"~48"(DN50~DN1200)
连接方式:RF, RTJ, BW
压力范围:Class150 –2500(PN16~PN420)
工作温度:-46℃ - +200℃
操作方式:手柄,蜗轮,电动,气动,电液,电汽等
操作方式:手柄,蜗轮,电动等
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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