H41H-40C铸钢升降式止回阀执行标准
类型设计与制造结构长度法兰尺寸压力温度试验-检验旋启式止回阀GB12236GB12221GB9113
JB79GB9131GB/T13927
JB/9092升降式止回阀GB12235
H41H-40C铸钢升降式止回阀试验压力
公称压力1.62.54.06.410.016.0强度试验2.43.86.09.615.024.0水密封试验1.82.84.47.011.018.0气密封试验0.5-0.7
H41H-40C铸钢升降式止回阀主要材料及性能
体、盖、板阀杆密封面垫片密封面工作温度℃适用介质WCBWCB1Cr13增强柔性石墨
1Cr13/柔性石墨
PTFE
齿轮垫片13Cr
STL
本材料
尼龙≤425水蒸汽油品WC6WC6≤540WC9WC9≤570ZGCr5MoZGCr5Mo≤550ZG1Cr18Ni9TiZG1Cr18Ni9TiZG1Cr18Ni9Ti≤200硝酸类ZG1Cr18Ni12Mo9TiZG1Cr18Ni12Mo9TiZG1Cr18Ni12Mo9Ti≤200醋酸类
H41H-40C铸钢升降式止回阀安装尺寸:
H41H升降式止回阀安装尺寸:GB 1.6MPaDN1520253240506580100125150200250300L130150160180200230290310350400480600650750H9095100105110115140170200230255285290300Wt1415161718192429405883100105110GB 2.5MPaDN1520253240506580100125150200250300L130150160180200230290310350400480600650750H9095100105110115140170200230260285290300Wt14151617181924294072104145180230GB 4.0MPaDN3240506580100125150200250300L180200230290310350400480600650750H120140150160175200225260315320300Wt9121520334173104147180230GB 6.4MPaDN3240506580100125150200250300L230260300340380430500550600775900H160170170190205230265310350480520Wt122029354768100142195250300GB10.0MPaDN1520253240506580100125150200250300L130150160180200230290310350400480600650750H9095100105110115140170200230255285290300Wt1415161718192429405883100105110GB 16.0MPaDN1520253240506580100125150200250300L130150160180200230290310350400480600650750H9095100105110115140170200230260290290300Wt14151617181924294072104180180230