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<title><![CDATA[EC21 Product Catalogs - self tighten]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/self_tighten--2673/1/self tighten.html]]></link><item>
<title><![CDATA[Electric Pressure Seal Power Station Gate Valve]]></title><link><![CDATA[https://wangtina2.en.ec21.com/Electric_Pressure_Seal_Power_Station--12001320_12004358.html]]></link><description><![CDATA[Brief intro.
The middle part of pressure seal gate valve using pressure self-tightening structure,make sure the valve has good sealing performance under high pressure and high temperature conditions,]]></description><pubDate><![CDATA[20240913]]></pubDate></item>
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<title><![CDATA[The Working Principle of LBH Dust Seal Fits Excavator]]></title><link><![CDATA[https://sanping.en.ec21.com/The_Working_Principle_of_LBH--11828890_11858174.html]]></link><description><![CDATA[self-sealing&quot; effect.
The self-sealing self-tightening seal uses the back pressure generated by the deformation of the seal itself to increase with the increase of the medium pressure, so as to achie]]></description><pubDate><![CDATA[20231024]]></pubDate></item>
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<title><![CDATA[Automatically Interchangeable Steel Forming Machine]]></title><link><![CDATA[https://metalrollingmach68.en.ec21.com/Automatically_Interchangeable_Steel_Forming_Machine--10979436_11033933.html]]></link><description><![CDATA[tighten the screws. Nothing need to be removed or changed. It is simple and quick.
The whole line adopted automatic controlling system which controls cutting equipment and roll forming processing acc]]></description><pubDate><![CDATA[20200608]]></pubDate></item>

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