20kN密封弹簧试验机用于机械密封弹簧压力试验、密封弹簧变形测试、密封弹簧自由高度检测。20kN密封弹簧试验机满足JB/T11107-2011，JB/T13296-2017，JB/T11958-2014，HG/T2479等弹簧标准。

20kN密封弹簧试验机；10kN密封弹簧试验机；密封大弹簧压力测试；密封小弹簧压力试验；密封多弹簧压力试验；HRJ Tester；￠10mm～Φ120mm波形弹簧试验机；￠80mm～Φ150mm密封弹簧试验机；多弹簧机械密封测试；单弹簧机械密封测试；200kN大直径密封弹簧压力试验；高速机械密封弹簧测试；内装弹簧压力试验；外装弹簧压力试验；并圈弹簧压力试验；HRJ Tester；密封弹簧回弹力试验；大型密封弹簧压力试验；高温密封弹簧压力试验；￠10mm～￠180mm缠绕式波形弹簧试验机；低温密封弹簧压力试验；高压密封弹簧压力试验；腐蚀密封弹簧压力试验；颗粒密封弹簧压力试验；HRJ Tester；烃介质密封弹簧压力试验；冷作硬化波形弹簧试验；0.20mm～1.60mm弹簧丝试验机；300mm中径波形弹簧试验机；开口型波簧试验机；0.6mm弹簧材料试验机；机械密封弹簧的总长由机械密封的安装状态和所需弹簧力值决定，安装和力值要求大，弹簧自由高度相应就长；单弹簧机械密封端面受力不均匀，高速下离心力使弹簧偏移或变形，弹簧力不易调节；多弹簧机械密封的端面受力均匀，受离心力影响较小，弹簧力可通过改变弹簧个数调节，在腐蚀性介质和有固体颗粒介质使用工况下，小弹簧密封结构容易造成腐蚀和堵塞而使机械密封失效；HG/T2479-2003机械密封用波形弹簧；GB/T14211机械密封试验方法；HRJ Tester；JB/T11958-2014机械密封用缠绕式波形弹簧；JB/T13296-2017波形弹簧技术条件；JB/T11107-2011机械密封用圆柱螺旋弹簧；

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