當哈爾濱閥門調節閥在復雜的工作條件下運行時，會造成嚴重的腐蝕，氣蝕，腐蝕，堵塞和刮傷，對調節閥的密封面造成嚴重損壞，導致調節閥密封不牢固，密封壽命短。 

JISHINIANLAI，JIANGUANJIGOUYIZHIBUKEZUDANG。 

GONGNENGQIQUANDECHAOQINGDIAOJIEFATUPOLEDIAOJIEFADEFANSUOHEBUWANZHENGDEGONGNENGHOU，WOMENZHILIYUZAIFUZADEGONGZUOTIAOJIANXIASHIXIANNANYIMIFENGDETUPO。  

一、哈爾濱閥門什么是復雜的工作條件和由它引起的問題？ 

 1.哈爾濱閥門高壓，大壓差 - 產生嚴重的腐蝕或氣蝕，影響密封壽命。 

 2.GAOWENDUDA，WENCHADA - YANZHONGDEREPENGZHANGHESHOUSUOGAIBIANLEZUJIANZAISHIWENXIADEXIANGRONGXING，DAOZHIXIELOU，YANZHONGGANRAO，SHICAOZUOKUNNAN，SHENZHISHI“ANGZANGDEJIEZHI - ZAOCHENGYANZHONGFUSHI，DUSAI，HEXINBUWEIHUAHEN，YINGXIANGYUNDONGHEMIFENG。 

 4.FUSHIXINGJIEZHIDUIJIECHUCAILIAOZAOCHENGFUSHISUNHUAI。 

 5.VIJIYINGMIFENGQIEDUAN TEBIESHIYACHADA，XINBU，FAZUOBIXUJINMIFENGBI，DAKAISHI，MIFENGMIANHUIBEIMOCAHELADONG。 

ZONGJIE：ZAIYANZHONGDEQISHIZAOCHENGDEELIEGONGZUOHUANJINGZHONG，QINSHI，FUSHI，PENGZHANGHESHOUSUO，KAZHU，HUASHANGDENG，VIJIYINGMIFENGQIEGETINGGENGNANYICHENGWEIGUONEIDIAOZHENG。 

幾十年來哈爾濱閥門閥門沒有破裂的慢性病。

ER、CHUANTONGMIFENGJIEGOUDEKEKAOXINGFENXI 

 1）DUOCENGMIFENGFAZUOBUXIUGANGBANHERUANZHICAILIAOZHONGDIE，MIFENGDEKEKAOXINGLEISIYUSHANGSHU（2）（3），DANNAIWENXINGDEDAOGAISHAN。  

 2）BUXIUGANGRUANMIFENGLVEHAOYU（1）BUXIUGANGYUBUXIUGANGLVEHAOYU。 

 3）DANMIFENGRENGBUKEKAO（2）DANBUXIUGANGDEYINGDURENGRANHENDI（HRC 20~25），MIFENGRENGRANBUKEKAO。 

 4）RUANMIFENGDUIRUANRUANMIFENGCAILIAO YIYUMIFENG，YINWEICAILIAOROURUANKEKAO。

 5）TAOCIMIFENGJIGAODEYINGDU，QUEFARENXING，CUIXINGDUANLIE，SHENZHIMEIYOUKAILIE。

 6）哈爾濱閥門焊焊接耐磨合金通常是STELLITE合金堆焊，是目前好的密封材料。 

DANSHI，TADEYINGDURENGRANBUGAO（HRC 40~45），RENGRANBUSHIHEFUZATIAOJIANXIADEELIETIAOJIAN。

LIANXIREN：CHENJINGLI

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