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| All >> 止回阀系列 >> 高温高中压止回阀 　

高温高中压止回阀

<P><IMG src="UploadFiles/images/20108221311146.gif"></P>
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<TD class=box1 bgColor=#ffffff height=22 width="15%" align=middle>型号：</TD>
<TD class=box1 bgColor=#ffffff width="23%" align=left>H44Y</TD>
<TD class=box1 bgColor=#ffffff width="15%" align=middle>口径：</TD>
<TD class=box1 bgColor=#ffffff width="47%" align=left>DN25-DN400</TD></TR>
<TR>
<TD class=box1 bgColor=#ffffff height=22 align=middle>压力：</TD>
<TD class=box1 bgColor=#ffffff align=left>1.6MPA-10MPA</TD>
<TD class=box1 bgColor=#ffffff align=middle>材质：</TD>
<TD class=box1 bgColor=#ffffff align=left>&nbsp;</TD></TR></TBODY></TABLE>
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<TD class=a1>
<DIV align=left><SPAN class=a3><FONT color=#4f505d face=Arial><STRONG>止回阀</STRONG></FONT>(cheek valve)：<STRONG><FONT color=#4f505d face=Arial>止回阀</FONT></STRONG>又称单向阀或逆止阀，其作用是防止管路中的介质倒流。水泵吸水关的底阀也属于<STRONG><FONT color=#4f505d face=Arial>止回阀</FONT></STRONG>类。 <BR><BR>启闭件靠介质流动和力量自行开启或关闭，以防止介质倒流的阀门叫止回阀。止回阀属于自动阀类，主要用于介质单向流动的管道上，只允许介质向一个方向流动，以防止发生事故。 <BR><BR><STRONG><FONT color=#4f505d face=Arial>止回阀</FONT></STRONG>按结构划分，可分为<STRONG><FONT color=#4f505d face=Arial>升降式止回阀</FONT></STRONG>、<STRONG><FONT color=#4f505d face=Arial>旋启式止回阀</FONT></STRONG>和蝶式止回阀三种。<STRONG><FONT color=#4f505d face=Arial>升降式止回阀</FONT></STRONG>可分为立式和卧式两种。<STRONG><FONT color=#4f505d face=Arial>旋启式止回阀</FONT></STRONG>分为单瓣式、双瓣式和多瓣式三种。蝶式止回阀为直通式、以上几种止回阀在连接形式上可分为螺纹连接、法兰连接和焊接三种。</SPAN></DIV>
<DIV align=left><SPAN class=a3>用途:</SPAN><BR>&nbsp;&nbsp;&nbsp;法兰连接的旋启式止回阀适用于公称压力PN1.6-16.0MPa，工作温度-29-550℃的石油、化工、制药、化肥、电力行业等各种工况的管路上。适用介质为：水、油品、蒸汽、酸性介质等。</DIV>
<DIV align=left><IMG border=0 src="http://www.hongyanfamen.com/manageadmin/eWebEditor/UploadFile/2009112818525926.gif"><BR>&nbsp;</DIV></TD></TR>
<TR>
<TD class=a2><SPAN class=a3>标准与规范：<BR>&nbsp;</SPAN>
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<DIV align=center>设计与制造</DIV></TD>
<TD>
<DIV align=center>结构长度</DIV></TD>
<TD>
<DIV align=center>压力温度等级</DIV></TD>
<TD>
<DIV align=center>连接法兰</DIV></TD>
<TD>
<DIV align=center>试验与检验</DIV></TD></TR>
<TR class=a1 bgColor=#ffffff>
<TD>
<DIV align=center>GB12235</DIV></TD>
<TD>
<DIV align=center>GB12221</DIV></TD>
<TD>
<DIV align=center>GB/T131 GB/T74 HG20604</DIV></TD>
<TD>
<P align=center>JB/T74～90 GB9113 HG20592-20635</P></TD>
<TD>
<DIV align=center>JB/T9092-1999 <SPAN class=a1>GB13927</SPAN></DIV></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE><SPAN class=a3>型号：<BR>&nbsp;</SPAN>
<TABLE id=table8 border=0 cellSpacing=0 cellPadding=0 width=600>
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<TD bgColor=#cccccc>
<TABLE id=table9 border=0 cellSpacing=1 cellPadding=1 width=600>
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<TR class=a1 bgColor=#ffffff>
<TD width="13%">
<DIV align=center>配管法兰</DIV></TD>
<TD width="12%">
<DIV align=center>公称压力PN(MPa)</DIV></TD>
<TD width="9%">
<DIV align=center>法兰密封面</DIV></TD>
<TD colSpan=4>
<DIV align=center>产品型号</DIV></TD></TR>
<TR class=a1 bgColor=#ffffff>
<TD rowSpan=7>
<DIV align=center>JB/T74 <BR>GB9113 <BR>HG20592～<BR>20635</DIV></TD>
<TD width="12%">
<DIV align=center>1.6</DIV></TD>
<TD rowSpan=2>
<P align=center>凸面</P></TD>
<TD width="14%">
<DIV align=center>H44H-16C</DIV></TD>
<TD width="21%">
<DIV align=center>H44W-16R</DIV></TD>
<TD width="21%">
<DIV align=center>H44W-16P</DIV></TD>
<TD width="14%">
<DIV align=center>H44Y-16I</DIV></TD></TR>
<TR>
<TD class=a1 bgColor=#ffffff width="12%">
<DIV align=center>2.5</DIV></TD>
<TD class=a1 bgColor=#ffffff width="14%">
<DIV align=center>H44H-25</DIV></TD>
<TD class=a1 bgColor=#ffffff width="21%">
<DIV align=center>H44W-25R</DIV></TD>
<TD class=a1 bgColor=#ffffff width="21%">
<DIV align=center>H44W-25P</DIV></TD>
<TD class=a1 bgColor=#ffffff width="14%">
<DIV align=center>H44Y-25I</DIV></TD></TR>
<TR>
<TD class=a1 bgColor=#ffffff width="12%">
<DIV align=center>4.0</DIV></TD>
<TD class=a1 bgColor=#ffffff rowSpan=5>
<DIV align=center>凹凸面</DIV></TD>
<TD class=a1 bgColor=#ffffff width="14%">
<DIV align=center>H44H-40</DIV></TD>
<TD class=a1 bgColor=#ffffff width="21%">
<DIV align=center>H44W-40R</DIV></TD>
<TD class=a1 bgColor=#ffffff width="21%">
<DIV align=center>H44W-40P</DIV></TD>
<TD class=a1 bgColor=#ffffff width="14%">
<DIV align=center>H44Y-40I</DIV></TD></TR>
<TR>
<TD class=a1 bgColor=#ffffff width="12%">
<DIV align=center>6.4</DIV></TD>
<TD class=a1 bgColor=#ffffff width="14%">
<DIV align=center>H44H-64</DIV></TD>
<TD class=a1 bgColor=#ffffff width="21%">
<DIV align=center>H44W-64R</DIV></TD>
<TD class=a1 bgColor=#ffffff width="21%">
<DIV align=center>H44W-64P</DIV></TD>
<TD class=a1 bgColor=#ffffff width="14%">
<DIV align=center>H44Y-64I</DIV></TD></TR>
<TR>
<TD class=a1 bgColor=#ffffff width="12%">
<DIV align=center>10.0</DIV></TD>
<TD class=a1 bgColor=#ffffff width="14%">
<DIV align=center>H44H-100</DIV></TD>
<TD class=a1 bgColor=#ffffff width="21%">
<DIV align=center>H44W-100R</DIV></TD>
<TD class=a1 bgColor=#ffffff width="21%">
<DIV align=center>H44W-100P</DIV></TD>
<TD class=a1 bgColor=#ffffff width="14%">
<DIV align=center>H44Y-100I</DIV></TD></TR>
<TR>
<TD class=a1 bgColor=#ffffff width="12%">
<DIV align=center>16.0</DIV></TD>
<TD class=a1 bgColor=#ffffff width="14%">
<DIV align=center>H44H-160</DIV></TD>
<TD class=a1 bgColor=#ffffff width="21%">
<DIV align=center>H44W-160R</DIV></TD>
<TD class=a1 bgColor=#ffffff width="21%">
<DIV align=center>H44W-160P</DIV></TD>
<TD class=a1 bgColor=#ffffff width="14%">
<DIV align=center>H44Y-160I</DIV></TD></TR>
<TR>
<TD class=a1 bgColor=#ffffff width="12%">
<DIV align=center>25.0</DIV></TD>
<TD class=a1 bgColor=#ffffff width="14%">
<DIV align=center>H44H-250</DIV></TD>
<TD class=a1 bgColor=#ffffff width="21%">
<DIV align=center>H44W-250R</DIV></TD>
<TD class=a1 bgColor=#ffffff width="21%">
<DIV align=center>H44W-250P</DIV></TD>
<TD class=a1 bgColor=#ffffff width="14%">
<DIV align=center>H44Y-250I</DIV></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE><SPAN class=a3>法兰密封面型式与表中规定不同时，用户应在全同中注明</SPAN></TD></TR>
<TR>
<TD class=a2><SPAN class=a3>性能规范：</SPAN><BR>&nbsp;
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<TD bgColor=#cccccc>
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<TR class=a1 bgColor=#ffffff>
<TD rowSpan=2 width="13%">
<DIV align=center>公称压力PN(MPa)</DIV></TD>
<TD bgColor=#ffffff colSpan=2>
<DIV align=center>试验压力(MPa)</DIV></TD>
<TD bgColor=#ffffff colSpan=4>
<DIV align=center>适用温度(℃)</DIV></TD>
<TD bgColor=#ffffff rowSpan=2 width="19%">
<DIV align=center>适用介质</DIV></TD></TR>
<TR>
<TD class=a1 bgColor=#ffffff width="15%">
<DIV align=center>强度试验</DIV></TD>
<TD class=a1 bgColor=#ffffff width="10%">
<DIV align=center>密封试验</DIV></TD>
<TD class=a1 bgColor=#ffffff width="6%">
<DIV align=center>WCB</DIV></TD>
<TD class=a1 bgColor=#ffffff width="6%">
<DIV align=center>Cr5Mo</DIV></TD>
<TD class=a1 bgColor=#ffffff width="18%">
<DIV align=center>1Cr18Ni12Mo2Ti</DIV></TD>
<TD class=a1 bgColor=#ffffff width="13%">
<DIV align=center>1Cr18Ni9Ti</DIV></TD></TR>
<TR class=a1 bgColor=#ffffff>
<TD width="13%">
<DIV align=center>1.6</DIV></TD>
<TD width="15%">
<DIV align=center>2.4</DIV></TD>
<TD width="10%">
<DIV align=center>1.8</DIV></TD>
<TD rowSpan=7 width="6%">
<DIV align=center>≤425</DIV></TD>
<TD rowSpan=7 width="6%">
<DIV align=center>≤550</DIV></TD>
<TD rowSpan=4 width="18%">
<DIV align=center>≤200</DIV></TD>
<TD rowSpan=7 width="13%">
<DIV align=center>≤200</DIV></TD>
<TD rowSpan=7 width="19%">
<DIV align=center>水、油品、<BR>蒸汽、酸性<BR>介质</DIV></TD></TR>
<TR class=a1 bgColor=#ffffff>
<TD width="13%">
<DIV align=center>2.5</DIV></TD>
<TD width="15%">
<DIV align=center>3.8</DIV></TD>
<TD width="10%">
<DIV align=center>2.8</DIV></TD></TR>
<TR class=a1 bgColor=#ffffff>
<TD width="13%">
<DIV align=center>4.0</DIV></TD>
<TD width="15%">
<DIV align=center>6.0</DIV></TD>
<TD width="10%">
<DIV align=center>4.4</DIV></TD></TR>
<TR class=a1 bgColor=#ffffff>
<TD width="13%">
<DIV align=center>6.4</DIV></TD>
<TD width="15%">
<DIV align=center>9.6</DIV></TD>
<TD width="10%">
<DIV align=center>7.1</DIV></TD></TR>
<TR class=a1 bgColor=#ffffff>
<TD width="13%">
<DIV align=center>10.0</DIV></TD>
<TD width="15%">
<DIV align=center>15.0</DIV></TD>
<TD width="10%">
<DIV align=center>11.0</DIV></TD>
<TD rowSpan=3 width="18%">
<DIV align=center>—</DIV></TD></TR>
<TR class=a1 bgColor=#ffffff>
<TD width="13%">
<DIV align=center>16.0</DIV></TD>
<TD width="15%">
<DIV align=center>24.0</DIV></TD>
<TD width="10%">
<DIV align=center>17.6</DIV></TD></TR>
<TR class=a1 bgColor=#ffffff>
<TD width="13%">
<DIV align=center>25.0</DIV></TD>
<TD width="15%">
<DIV align=center>37.0</DIV></TD>
<TD width="10%">
<DIV align=center>27.5</DIV></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></TD></TR>
<TR>
<TD class=a2><SPAN class=a3>主要零件材料：<BR>&nbsp;</SPAN>
<TABLE id=table12 border=0 cellSpacing=0 cellPadding=0 width=600>
<TBODY>
<TR>
<TD bgColor=#cccccc>
<TABLE id=table13 border=0 cellSpacing=1 cellPadding=1 width=600>
<TBODY>
<TR class=a1 bgColor=#ffffff>
<TD>
<DIV class=a1 align=center>零件名称</DIV></TD>
<TD colSpan=4>
<DIV align=center>材料牌号</DIV></TD></TR>
<TR class=a1 bgColor=#ffffff>
<TD height=19>
<DIV align=center>阀体</DIV></TD>
<TD height=19>
<DIV align=center>WCB</DIV></TD>
<TD height=19>
<DIV align=center>ZGCr5Mo</DIV></TD>
<TD height=19>
<DIV align=center>ZG1Cr18Ni9Ti</DIV></TD>
<TD height=19>
<DIV align=center>ZG1Cr18Ni12Mo2Ti</DIV></TD></TR>
<TR class=a1 bgColor=#ffffff>
<TD>
<DIV align=center>阀盖</DIV></TD>
<TD>
<DIV align=center>WCB</DIV></TD>
<TD>
<DIV align=center>ZGCr5Mo</DIV></TD>
<TD>
<DIV align=center>ZG1Cr18Ni9Ti</DIV></TD>
<TD>
<DIV align=center>ZG1Cr18Ni12Mo2Ti</DIV></TD></TR>
<TR class=a1 bgColor=#ffffff>
<TD>
<DIV align=center>阀辨</DIV></TD>
<TD>
<DIV align=center>WCB</DIV></TD>
<TD height=19>
<DIV align=center>ZGCr5Mo</DIV></TD>
<TD height=19>
<DIV align=center>ZG1Cr18Ni9Ti</DIV></TD>
<TD height=19>
<DIV align=center>ZG1Cr18Ni12Mo2Ti</DIV></TD></TR>
<TR class=a1 bgColor=#ffffff>
<TD>
<DIV align=center>阀杆</DIV></TD>
<TD>
<DIV align=center>WCB</DIV></TD>
<TD>
<DIV align=center>ZGCr5Mo</DIV></TD>
<TD>
<DIV align=center>ZG1Cr18Ni9Ti</DIV></TD>
<TD>
<DIV align=center>ZG1Cr18Ni12Mo2Ti</DIV></TD></TR>
<TR class=a1 bgColor=#ffffff>
<TD>
<DIV align=center>阀座</DIV></TD>
<TD>
<DIV align=center>25</DIV></TD>
<TD>
<DIV align=center>1Cr18N19T1</DIV></TD>
<TD>
<DIV align=center>1Cr18Ni9Ti</DIV></TD>
<TD>
<DIV align=center>1Cr18Ni12Mo2Ti</DIV></TD></TR>
<TR class=a1 bgColor=#ffffff>
<TD>
<DIV align=center>销轴</DIV></TD>
<TD colSpan=2>
<DIV align=center>1Cr17Ni2</DIV></TD>
<TD>
<DIV align=center>1Cr18Ni9Ti</DIV></TD>
<TD>
<DIV align=center>1Cr18Ni12Mo2Ti</DIV></TD></TR>
<TR class=a1 bgColor=#ffffff>
<TD>
<DIV align=center>密封环 垫片</DIV></TD>
<TD colSpan=2>
<DIV align=center>包覆垫</DIV></TD>
<TD>
<DIV align=center>1Cr18Ni9Ti</DIV></TD>
<TD>
<DIV align=center>1Cr18Ni12Mo2Ti</DIV></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></P>

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