产品简介:简单介绍低温阀门、超低温阀门、低温球阀、液化天然气低温球阀分为低温浮动球阀和低温固定球阀两类,有焊接和法兰二种。对于温度高于-50℃,一般不采用长颈结构,对于温度低于-50℃的球阀,颈部长度
$n | $n | $n |
型号:JX214838低温法兰球阀 | $n型号:JX214836美标低温球阀 | $n型号:JX214816液化天然气低温焊接球阀 | $n
$n低温球阀分为低温浮动球阀和低温固定球阀两类,对于温度高于-50℃,一般不采用长颈结构,对于温度低于-50℃的球阀,颈部长度T一般为250mm,或根据我公司的设计和计算确定.低温球阀主要用于输出液态低温介质如乙烯、液氧、液氢、液化天然气、液化石油产品等,不但易燃易爆,而且在升温时要气化,气化时,体积膨胀数百倍。
$n液化天然气阀门的材料非常重要,材质不合格,会造成壳体及密封面的外漏或内漏;零部件的综合机械性能、强度和钢度满足不了使用要求甚至断裂。导致液化天然气介质泄漏引起爆炸。因此,在开发、设计、研制液化天然气阀门的过程中,材质是首要关键的问题。阀体、阀盖采用:LCB(-46℃)、LC3(-101℃)、CF8(304)(-196℃).
$n我厂对所的低温阀门经特殊的低温处理,将粗加工的零件置于冷却介质中数小时(2-6小时),以释放应力,确保材料的低温性能,保证精加工尺寸,以防阀门在低温工况时,因温度变化造成变形而导致的泄漏。$n
$n技术规范$n
$n$n $n设计依据$n $n | $n$n $nGB$n $n | $n
$n $n设计标准$n $n | $n$n $nGB12237-89$n $n | $n
$n $n结构长度$n $n | $n$n $nGB12221-89$n $n | $n
$n $n连接法兰$n $n | $n$n $nGB/T 9113-2000 JB/T79-94$n $n | $n
$n $n试验和检验$n $n | $n$n $nJB/T 9092-99$n $n | $n
$n型号、材料及主要参数$n
$n$n $n产品型号$n $n | $n$n $nDQ41F-10C-100$n $n | $n$n $nDQ41F-10P-100P$n $n | $n
$n $nDQ47F-10C-100$n $n | $n$n $nDQ47F-10P-100P$n $n | $n|
$n $n阀体$n $n | $n$n $nLCB$n $n | $n$n $nCF8$n $n | $n
$n $n球体$n $n | $n$n $n304$n $n | $n$n $n304$n $n | $n
$n $n阀杆$n $n | $n$n $n304$n $n | $n$n $n304$n $n | $n
$n $n密封圈$n $n | $n$n $nPTFE$n $n | $n$n $nPTFE$n $n | $n
$n $n填料$n $n | $n$n $nPTFE+O形圈$n $n | $n$n $nPTFE+O形圈$n $n | $n
$n $n适用介质$n $n | $n$n $n水、油、蒸汽等$n $n | $n$n $n酸等腐蚀性介质$n $n | $n
$n $n适用温度$n $n | $n$n $n-50-29℃$n $n | $n$n $n-196-29℃$n $n | $n
$n $n蜗轮低温球阀$n $n | $n$n $nDQ后插入“3”表示,示例:DQ341F-16P$n $n | $n|
$n $n气动低温球阀$n $n | $n$n $nDQ后插入“6”表示,示例:DQ647F-16C$n $n | $n|
$n $n电动低温球阀$n $n | $n$n $nDQ后插入“9”表示,示例:DQ941F-25P$n $n | $n
$n$n
$n$n主要外形连接尺寸 单位:mm $n
$n$n $n产品型号$n $n | $n$n $n公称通径 | $n$n $nPN1.6MPa$n $n | $n$n $nWT | $n|||||||
$n $nL$n $n | $n$n $nD$n $n | $n$n $nD1$n $n | $n$n $nD2$n $n | $n$n $nb$n $n | $n$n $nZ-Φd$n $n | $n$n $nH$n $n | $n$n $nW$n $n | $n|||
$n $nDQ41F-16C $nDQ641F-16C $nDQ941F-16C | $n$n $n15$n $n | $n$n $n130$n $n | $n$n $n95$n $n | $n$n $n65$n $n | $n$n $n45$n $n | $n$n $n14$n $n | $n$n $n4-Φ14$n $n | $n$n $n178$n $n | $n$n $n140$n $n | $n$n $n3$n $n | $n
$n $n20$n $n | $n$n $n140$n $n | $n$n $n105$n $n | $n$n $n75$n $n | $n$n $n55$n $n | $n$n $n14$n $n | $n$n $n4-Φ14$n $n | $n$n $n184$n $n | $n$n $n160$n $n | $n$n $n4$n $n | $n|
$n $n25$n $n | $n$n $n150$n $n | $n$n $n115$n $n | $n$n $n85$n $n | $n$n $n65$n $n | $n$n $n14$n $n | $n$n $n4-Φ14$n $n | $n$n $n195$n $n | $n$n $n180$n $n | $n$n $n5$n $n | $n|
$n $n32$n $n | $n$n $n165$n $n | $n$n $n135$n $n | $n$n $n100$n $n | $n$n $n78$n $n | $n$n $n16$n $n | $n$n $n4-Φ18$n $n | $n$n $n280$n $n | $n$n $n250$n $n | $n$n $n9$n $n | $n|
$n $n40$n $n | $n$n $n180$n $n | $n$n $n145$n $n | $n$n $n110$n $n | $n$n $n85$n $n | $n$n $n16$n $n | $n$n $n4-Φ18$n $n | $n$n $n280$n $n | $n$n $n300$n $n | $n$n $n11$n $n | $n|
$n $n50$n $n | $n$n $n203$n $n | $n$n $n160$n $n | $n$n $n125$n $n | $n$n $n100$n $n | $n$n $n16$n $n | $n$n $n4-Φ18$n $n | $n$n $n300$n $n | $n$n $n350$n $n | $n$n $n15$n $n | $n|
$n $n65$n $n | $n$n $n222$n $n | $n$n $n180$n $n | $n$n $n145$n $n | $n$n $n120$n $n | $n$n $n18$n $n | $n$n $n4-Φ18$n $n | $n$n $n330$n $n | $n$n $n350$n $n | $n$n $n19$n $n | $n|
$n $n80$n $n | $n$n $n241$n $n | $n$n $n195$n $n | $n$n $n160$n $n | $n$n $n135$n $n | $n$n $n20$n $n | $n$n $n8-Φ18$n $n | $n$n $n360$n $n | $n$n $n400$n $n | $n$n $n27$n $n | $n|
$n $n100$n $n | $n$n $n305$n $n | $n$n $n215$n $n | $n$n $n180$n $n | $n$n $n155$n $n | $n$n $n20$n $n | $n$n $n8-Φ18$n $n | $n$n $n400$n $n | $n$n $n500$n $n | $n$n $n38$n $n | $n|
$n $n125$n $n | $n$n $n356$n $n | $n$n $n245$n $n | $n$n $n210$n $n | $n$n $n185$n $n | $n$n $n22$n $n | $n$n $n8-Φ18$n $n | $n$n $n430$n $n | $n$n $n600$n $n | $n$n $n58$n $n | $n|
$n $n150$n $n | $n$n $n394$n $n | $n$n $n280$n $n | $n$n $n240$n $n | $n$n $n210$n $n | $n$n $n24$n $n | $n$n $n8-Φ23$n $n | $n$n $n500$n $n | $n$n $n800$n $n | $n$n $n81$n $n | $n|
$n $n200$n $n | $n$n $n457$n $n | $n$n $n335$n $n | $n$n $n295$n $n | $n$n $n265$n $n | $n$n $n26$n $n | $n$n $n12-Φ23$n $n | $n$n $n680$n $n | $n$n $n800$n $n | $n$n $n95$n $n | $n|
$n $n250$n $n | $n$n $n533$n $n | $n$n $n405$n $n | $n$n $n355$n $n | $n$n $n320$n $n | $n$n $n30$n $n | $n$n $n12-Φ25$n $n | $n$n $n790$n $n | $n$n $n1300$n $n | $n$n $n140$n $n | $n
$n$n
$n$n $n产品型号$n $n | $n$n $n公称通径 | $n$n $nPN2.5MPa$n $n | $n$n $nWT | $n|||||||
$n $nL$n $n | $n$n $nD$n $n | $n$n $nD1$n $n | $n$n $nD2$n $n | $n$n $nb$n $n | $n$n $nZ-Φd$n $n | $n$n $nH$n $n | $n$n $nW$n $n | $n|||
$n $nDQ41F-25 $nDQ641F-25 $nDQ941F-25 | $n$n $n15$n $n | $n$n $n140$n $n | $n$n $n95$n $n | $n$n $n65$n $n | $n$n $n45$n $n | $n$n $n16$n $n | $n$n $n4-Φ14$n $n | $n$n $n178$n $n | $n$n $n140$n $n | $n$n $n3$n $n | $n
$n $n20$n $n | $n$n $n152$n $n | $n$n $n105$n $n | $n$n $n75$n $n | $n$n $n55$n $n | $n$n $n16$n $n | $n$n $n4-Φ14$n $n | $n$n $n184$n $n | $n$n $n160$n $n | $n$n $n4$n $n | $n|
$n $n25$n $n | $n$n $n165$n $n | $n$n $n115$n $n | $n$n $n85$n $n | $n$n $n65$n $n | $n$n $n16$n $n | $n$n $n4-Φ14$n $n | $n$n $n195$n $n | $n$n $n180$n $n | $n$n $n6$n $n | $n|
$n $n32$n $n | $n$n $n178$n $n | $n$n $n135$n $n | $n$n $n100$n $n | $n$n $n78$n $n | $n$n $n18$n $n | $n$n $n4-Φ18$n $n | $n$n $n280$n $n | $n$n $n250$n $n | $n$n $n10$n $n | $n|
$n $n40$n $n | $n$n $n190$n $n | $n$n $n145$n $n | $n$n $n110$n $n | $n$n $n85$n $n | $n$n $n18$n $n | $n$n $n4-Φ18$n $n | $n$n $n280$n $n | $n$n $n300$n $n | $n$n $n14$n $n | $n|
$n $n50$n $n | $n$n $n216$n $n | $n$n $n160$n $n | $n$n $n125$n $n | $n$n $n100$n $n | $n$n $n20$n $n | $n$n $n4-Φ18$n $n | $n$n $n300$n $n | $n$n $n350$n $n | $n$n $n20$n $n | $n|
$n $n65$n $n | $n$n $n241$n $n | $n$n $n180$n $n | $n$n $n145$n $n | $n$n $n120$n $n | $n$n $n22$n $n | $n$n $n8-Φ18$n $n | $n$n $n330$n $n | $n$n $n350$n $n | $n$n $n25$n $n | $n|
$n $n80$n $n | $n$n $n283$n $n | $n$n $n195$n $n | $n$n $n160$n $n | $n$n $n135$n $n | $n$n $n22$n $n | $n$n $n8-Φ18$n $n | $n$n $n360$n $n | $n$n $n400$n $n | $n$n $n30$n $n | $n|
$n $n100$n $n | $n$n $n305$n $n | $n$n $n230$n $n | $n$n $n190$n $n | $n$n $n160$n $n | $n$n $n24$n $n | $n$n $n8-Φ23$n $n | $n$n $n400$n $n | $n$n $n500$n $n | $n$n $n40$n $n | $n|
$n $n125$n $n | $n$n $n381$n $n | $n$n $n270$n $n | $n$n $n220$n $n | $n$n $n188$n $n | $n$n $n28$n $n | $n$n $n8-Φ25$n $n | $n$n $n430$n $n | $n$n $n600$n $n | $n$n $n65$n $n | $n|
$n $n150$n $n | $n$n $n403$n $n | $n$n $n300$n $n | $n$n $n250$n $n | $n$n $n218$n $n | $n$n $n30$n $n | $n$n $n8-Φ25$n $n | $n$n $n500$n $n | $n$n $n800$n $n | $n$n $n85$n $n | $n|
$n $n200$n $n | $n$n $n502$n $n | $n$n $n360$n $n | $n$n $n310$n $n | $n$n $n278$n $n | $n$n $n34$n $n | $n$n $n12-Φ25$n $n | $n$n $n680$n $n | $n$n $n800$n $n | $n$n $n100$n $n | $n|
$n $n250$n $n | $n$n $n568$n $n | $n$n $n425$n $n | $n$n $n370$n $n | $n$n $n332$n $n | $n$n $n36$n $n | $n$n $n12-Φ30$n $n | $n$n $n790$n $n | $n$n $n1300$n $n | $n$n $n165$n $n | $n
$n详细介绍$n | $n||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
$n $n $n$n主要连接尺寸 Main Connection Dimensions $n $n$n
$n | $n
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