放料阀材质选择

On 三月 26th, 2014, posted in: 放料阀技术文章 by 评论关闭

放料阀操作方便,灵活可靠,是一种直接与物料接触的一种阀门,所以大部分是选的是不锈钢材质,如:碳钢,304,316,316L,2520,钛材,哈氏合金等,可以根据客户的工况介质来选择不同的材质。

放料阀也叫做罐底阀,主要用于反应釜、储罐和其它容器的底部排料、放料、取样和无死区切断等操作。它借助阀门底部法兰,焊接或连接于储罐和其它容器的底部,可以消除工艺介质在容器出口的残留现象。放料阀根据实际情况的需要,有选用球阀的,也有选用柱塞式直行程Y型阀,上展式,下展式

符号:
A – 能够或正被成功应用
B – 应用过程应注意
C – 不能应用
LL – 缺乏资料

流体介质 阀门材料
碳钢 铸铁 302或304不锈钢 316不锈钢 青铜 蒙乃尔合金 哈氏合金B 哈氏合金C 不锈钢﹟20 钴铬合金﹟6 416不锈钢 440C不锈钢 17-4PH不锈钢
乙醛 A A A A A A LL A A LL LL A A A
醋酸(无气的) C C B B B B A A A A A C C B
醋酸(充气的) C C A A A A A A A A A C C B
醋酸蒸气 C C A A B B LL A B A A C C B
丙酮 A A A A A A A A A A A A A A
乙炔 A A A A LL A A A A LL A A A A
乙醇 A A A A A A A A A A A A A A
硫酸铝 C C A A B B A A A A LL C C LL
A A A A C A A A A A A A A LL
氯化铵 C C B B B B A A A A B C C LL
硝酸铵 A C A A C C A A A A A C B LL
磷酸铵 C C A A B B A A B A A B B LL
硫酸铵 C C B A B A A A A A A C C LL
亚硫酸铵 C C A A C C LL A A A A B B LL
苯胺 C C A A C B A A A A A C C LL
沥青 A A A A A A A A A LL A A A A
啤酒 B B A A B A A A A A A B B A
A A A A A A A A A A A A A A
苯甲酸 C C A A A A LL A A A LL A A A
硼酸 C C A A A A A A A A A B B LL
丁烷 A A A A A A A A A LL A A A A
氯化钙(碱的) B B C B C A A A A A LL C C LL
次氯酸钙 C C B B B B C A A A LL C C LL
石碳酸 B B A A A A A A A A A LL LL LL
二氧化碳(干的) A A A A A A A A A A A A A A
二氧化碳(湿的) C C A A A A A A A A A A A A
二硫化碳 A A A A C B A A A A A B B LL
四氯化碳 B B B B A A B A A A LL C A LL
碳酸 C C B B B A A A A LL LL A A A
氯,气体(干的) A A B B B A A A A C B C C C
氯,气体(湿的) C C C C C C C B C A B C C C
液氯 C C C C B C C A B C B C C C
铬酸 C C C B C A C A C A B C C C
柠檬酸 LL C B A A B A A A A LL B B B
焦炉气 A A A A B B A A A A A A A A
硫酸铜 C C B B B C LL A A A LL A A A
棉子油 A A A A A A A A A A A A A A
杂酚油 A A A A A A A A A LL A A A A
乙烷 A A A A A A A A A A A A A A
乙醚 B B A A A A A A A A A A A A
氯乙烷 C C A A A A A A A A A B B LL
乙烯 A A A A A A A A A A A A A A
乙二醇 A A A A A A LL LL A LL A A A A
氯化铁 C C C C C C C B C A B C C LL
甲醛 B B A A A A A A A A A A A A
甲酸 LL C B B A A A A A C B C C B
氟里昂(湿的) B B B A A A A A A A A LL LL LL
氟里昂(干的) B B A A A A A A A A A LL LL LL
糖醛 A A A A A A A A A A A B B LL
汽油(精制的) A A A A A A A A A A A A A A
葡萄糖 A A A A A A A A A A A A A A
盐酸(充气的) C C C C C C A B C C B C C C
盐酸(无气的) C C C C C C A B C C B C C C
氢氟酸(充气的) B C C B C C A A B C B C C C
氢氟酸(无气的) A C C B C A A A B C LL C C LL
A A A A A A A A A A A A A A
过氧化氢 LL A A A C A B B A A LL B B LL
硫化氢(液体) C C A A C C A A B A A C C LL
氢氧化镁 A A A A B A A A A A A A A LL
A A A A C B A A A A A A A B
甲醇 A A A A A A A A A A A A B A
甲乙酮 A A A A A A A A A LL A A A A
牛奶 C C A A A A A A A A A C C C
天然气 A A A A A A A A A A A A A A
硝酸 C
油酸 C C A A B A A A A A A A B LL
草酸 C C B B B B A A A B B B B LL
A A A A A A A A A A A A A A
石油(精制的) A A A A A A A A A A A A A A
磷酸(充气的) C C A A C C A A A B A C C LL
磷酸(无气的) C C A A C B A A A B A C C LL
磷酸蒸气 C C B B C C A LL A B C C C LL
苦味酸 C C A A C C A A A LL LL B B LL
氯化钾 B B A A B B A A A A LL C C LL
氢氧化钾 B B A A B A A A A A LL B B LL
丙烷 A A A A A A A A A A A A A A
松香 B B A A A A A A A LL A A A A
硝酸银 C C A A C C A A A A B B B LL
醋酸钠 A A B A A A A A A A A A A A
碳酸钠 A A A A A A A A A A A B B A
氯化钠 C C B B A A A A A A A B B B
铬酸钠 A A A A A A A A A A A A A A
氢氧化钠 A A A A C A A A A A A B B A
次氯酸钠 C C C C B-C B-C C A B A LL C C LL
硫代硫酸钠 C C A A C C A A A A LL B B LL
氯化亚锡 B B C A C B A A A A LL C C LL
硬脂酸 A C A A B B A A A A B B B LL
硫酸盐溶液(黑的) A A A A C A A A A A A LL LL LL
A A A A C A A A A A A A A A
二氧化硫(干的) A A A A A A B A A A A B B LL
三氧化碳(干的) A A A A A A B A A A A B B LL
硫酸(充气的) C C C C C C A A A B B C C C
硫酸(无气的) C C C C B B A A A B B C C C
亚硫酸 C C B B B C A A A A B C C LL
焦油 A A A A A A A A A A A A A A
三氯乙烯 B B B A A A A A A A A B B LL
松节油 B B A A A B A A A A A A A A
C C A A B A A A A LL A C C A
水(锅炉给水) B C A A C A A A A A A B A A
水(蒸馏的) A A A A A A A A A A A B B LL
海水 B B B B A A A A A A A C C A
威士忌酒和葡萄酒 C C A A A B A A A A A C C LL
氯化锌 C C C C C C A A A A B C C LL
硫酸锌 C C A A B A A A A A A B B L

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