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<title><![CDATA[EC21 Product Catalogs - flow control check valve]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/flow_control_check_valve--1814/1/flow control check valve.html]]></link><item>
<title><![CDATA[RS Series Single Stage Rotary Vane Vacuum Pumps]]></title><link><![CDATA[https://doctorpump.en.ec21.com/RS_Series_Single_Stage_Rotary--11435863_11480477.html]]></link><description><![CDATA[valve can be installed in the pump inlet.If the pumped gas contains a large amount of water vapor, dust, or temperature is too high etc., coolers, filters and other corresponding devices should be in]]></description><pubDate><![CDATA[20211123]]></pubDate></item>
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<title><![CDATA[Hot Water Submersible Pump]]></title><link><![CDATA[https://zlwaterpump.en.ec21.com/Hot_Water_Submersible_Pump--11104681_11104697.html]]></link><description><![CDATA[flow or centrifugal single-suction multi-stage pump body structure,with built-in one-way valve and suction filter;the impeller is fixed on the pump shaft by a unified key,and is equipped with a pump ]]></description><pubDate><![CDATA[20210302]]></pubDate></item>
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<title><![CDATA[Digital Auto Control Mechanical Diaphragm Metering Pumps]]></title><link><![CDATA[https://dongkai1.en.ec21.com/Digital_Auto_Control_Mechanical_Diaphragm--11601454_11694748.html]]></link><description><![CDATA[Check Valves
Guided ball check system reduces back flow and enhances priming characteristics. Simple o-ring seals provide for reliable leak free performance and easy replacement.
Materials of Constru]]></description><pubDate><![CDATA[20221219]]></pubDate></item>
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<title><![CDATA[Vacuum Pump]]></title><link><![CDATA[https://koreahic.en.ec21.com/Vacuum_Pump--6197841_9281450.html]]></link><description><![CDATA[Where operation of vacuum pump stops during vacuum work in direct coupling operation method of flange type. 
Check valve is installed at the suction hole in order to prevent reverse-flow.]]></description><pubDate><![CDATA[20141119]]></pubDate></item>

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