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<title><![CDATA[EC21 Product Catalogs - well drilling down the]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/well-drilling-down-the--2053/1/well drilling down the.html]]></link><item>
<title><![CDATA[Choke Manifold]]></title><link><![CDATA[https://apimeivalve66.en.ec21.com/Choke-Manifold--11754519_11841148.html]]></link><description><![CDATA[the upper and down valves and put the down valve of another chock valve into work;
6. When it needs open flow, it is necessary to open the flow valve and close the inlet valve of the drilling liquid-]]></description><pubDate><![CDATA[20230904]]></pubDate></item>
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<title><![CDATA[Oilfield Equipment Drilling Tools API Float Valve]]></title><link><![CDATA[https://machinery14.en.ec21.com/Oilfield-Equipment-Drilling-Tools-API--9182239_9182240.html]]></link><description><![CDATA[the Arrow will press to valve seat so that the fluid can not flow upwards through the valve. When Arrow falls on the down seat, the circulating of drilling fluid can flow through the valve without pr]]></description><pubDate><![CDATA[20140912]]></pubDate></item>
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<title><![CDATA[JZR3-L8 Valve AK7535010002]]></title><link><![CDATA[https://bomcosp.en.ec21.com/JZR3-L8-Valve-AK7535010002--9138118_10973743.html]]></link><description><![CDATA[drilling rigs equipments,the number one for CNPC and all over the wold,and well known as Titanium machinery parts as well We design and sale drilling rig series triplex mud pump and its various of dr]]></description><pubDate><![CDATA[20191210]]></pubDate></item>

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