产品性能规范 Chief property and specification
公称压力(PN)Nominal pressure 150 300 600 900
壳体试验压力 Shell test pressure MPa 3.1 7.8 15.3 23.1
密封试验(液)Seal test MPa 2.2 5.6 11.2 16.8
密封试验(气)Seal test MPa 0.5~0.7
适用介质 Applicable medium P R
硝酸类 醋酸类
Nitric acid Acetic acid
适用温度 Applicable temperature ≤150℃
主要零件材料 Material for main parts
名称 Parts CF8类 CF3类 CF8M类 CF3M类
阀体左体 Body&Body A315-CF8 A315-CF3 A315-CF8M A315-CF3M
球阀 B2-B8 A182-F304L A182-F304L A132-F316 A182-F316L
B8以上 A351-CF8M A351-CF3 A351-CF8M A351-CF3M
阀杆 Steml A182-F304 A182-F304L A182-F316 A182-F316L
阀座 Seat PTFE/增强PTFE/NYLIN PTFE/Reinforced PTFE/Nyion
阀座支承圈 Seat Retainer A182-F304 A182-304L A182-316 A182-316L
螺柱 Stud A193-B8
A194-8
螺母 Nut