氣動偏心半球閥說明：
氣動偏心半球閥利用偏心閥體，偏心球體和閥座，閥桿作旋轉運動時在共同軌跡自動定心，關閉過程中越關越緊，完全達到良好的密封目的。閥門的球體和閥座完全脫離，消除了密封圈的磨損，克服了傳統球體閥座與球體密封面始終磨損的問題，非金屬彈性材料被嵌入金屬座中，閥座金屬面受到良好的保護。本產品特別適用于鋼鐵業，鋁業，纖維，微小固體顆粒，紙漿，煤灰，石油氣等介質。

氣動偏心半球閥主要材料
序號名稱代號材料WCB304 CF8316 CF8M1閥體  WCB ZG230-4500Cr18Ni90Cr18Ni12Mo2Ti2下端蓋  Q235-A1Cr18Ni9Ti0Cr18Ni12Mo2Ti3內六角圓柱頭螺釘GB/T70-2000Q235-A1Cr17Ni20Cr18Ni12Mo2Ti4下固定軸調節螺栓  Q235-A1Cr17Ni21Cr17Ni25六角螺母GB/T6710-2000Q235-A1Cr17Ni21Cr17Ni26下墊片  不銹鋼 柔性石墨；PTFE；316夾柔性石墨7下軸承  0Cr18Ni9Ti0Cr18Ni9Ti0Cr18Ni12Mo2Ti8下固定軸  2Cr133040Cr18Ni12Mo2Ti9球體  ZG2Cr130Cr18Ni90Cr18Ni12Mo2Ti10閥座壓圈  Q225-A1Cr18Ni9Ti0Cr18Ni12Mo2Ti11閥座  Q225-APTFE/1Cr18Ni12Mo2TiPTFE/1Cr18Ni12Mo2Ti12內六角圓柱頭螺釘GB/T70-2000Q235-A1Cr17Ni21Cr17Ni213閥座墊片  不銹鋼 柔性石墨1Cr17Ni20Cr18Ni12Mo2Ti14閥桿  2Cr131Cr18Ni9Ti0Cr18Ni12Mo2Ti15上軸承  0Cr18Ni9Ti0Cr18Ni9Ti0Cr18Ni12Mo2Ti16對開圓環  1Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni9Ti17定位圈  1Cr131Cr18Ni9Ti1Cr18Ni9Ti18填料  柔性石墨柔性石墨；PTFE柔性石墨；PTFE19六角螺塞墊片  0Cr18Ni9Ti0Cr18Ni9Ti0Cr18Ni9Ti20六角螺塞  2Cr131Cr17Ni21Cr17Ni221六角螺塞  2Cr131Cr17Ni21Cr17Ni222支架  WCB ZG230-450WCB；304WCB；30423雙頭螺栓GB/T901-198835CrMoA1Cr17Ni21Cr17Ni224六角螺母GB/T6170-2000Q245-A0Cr18Ni90Cr18Ni925填料壓套  1Cr131Cr18Ni12Mo2Ti/1Cr18Ni91Cr18Ni12Mo2Ti/1Cr18Ni926填料壓板  WCB0Cr18Ni90Cr18Ni927雙頭螺栓GB/T901-198835CrMoA1Cr17Ni21Cr17Ni228六角螺母GB/T6170-2000Q245-A0Cr18Ni0Cr18Ni29六角螺栓GB/T5783-200Q235-A1Cr17Ni21Cr17Ni230驅動裝置        31六角螺塞墊片  0Cr18Ni9Ti0Cr18Ni9Ti0Cr18Ni9Ti32六角螺塞  2Cr130Cr18Ni9Ti0Cr18Ni9Ti

氣動偏心半球閥性能范圍

材料性能材料代號WCB304316304L316L321ZG2300Cr18Ni9（CF8）1Cr18Ni12Mo2Ti
（CF8M）00Cr18Ni10
（CF3）00Cr17Ni14Mo2
（CF3M）ZG7Cr18Ni9T

（F347）適用介質水、油品、蒸汽硝酸類醋酸類強氧化介質尿素等腐蝕介質硝酸類測試范圍 Mpa項目公稱壓力殼體壓力試驗密封測試上密封測試低壓密封測試探傷測試試驗介質水 Mpa水 Mpa水 Mpa氣 MpaGB/T6440-1992時間（S）12060600.5~0.6壓力測試1.0Mpa1.51.11.1  1.6Mpa2.41.761.76  2.5Mpa3.752.752.75

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