球阀：金属硬密封球阀
主要特点：
硬密封球阀是适用于一些比较严峻,苛刻的工况,比如高温,高压,高磨损工况, 它可以解决阀门内漏和外漏的问题,提供稳定有效的保障
设计特点:
结构形式:浮动式结构、固定式结构、单座双向密封粉体结构
双向密封结构设计
中腔自动泄压
阀杆防吹出
阀座和球面的碳化钨超音速喷焊,阀座设计自清洁功能
硬度达到 HRC68~ 72，焊接粘合力达到 ≥10000Psi，厚度达到 0.2 - 0.3 mm;
阀座和球一对一的匹配,更加增加了阀门的密封精度，密封性能达到ANSI B16.104 CLASS VI和零泄漏
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：不锈钢+硬面材料（超音速喷涂WC、CrC、Ni基粉末，Co基粉末等）
口径: 2"~40"
压力: Class150~2500
连接方式:RF, RTJ, BW
适用温度 :-196℃~+600℃
操作 : 手柄 蜗轮 电动,气动, 气液联动,电液联动
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：含有颗粒、粉体及高粘介质
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