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