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<title><![CDATA[EC21 Product Catalogs - negative pressure]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/negative_pressure--1736/1/negative pressure.html]]></link><item>
<title><![CDATA[Gas Compression and Gas Delivery Machinery PP Fan Draught Fan]]></title><link><![CDATA[https://hairui05299.en.ec21.com/Gas_Compression_and_Gas_Delivery--11996706_11997401.html]]></link><description><![CDATA[the temperature difference between indoor and outdoor to promote the rotation of the turbine, so as to use the centrifugal force and negative pressure effect to discharge the indoor steless hot air.]]></description><pubDate><![CDATA[20240903]]></pubDate></item>
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<title><![CDATA[FRP Centrifugal Fan]]></title><link><![CDATA[https://xichenghuanbao.en.ec21.com/FRP_Centrifugal_Fan--11430858_11431536.html]]></link><description><![CDATA[pressure energy, and then as the fluid is pressurized, the static pressure energy is converted into velocity energy. The gas is discharged through the exhaust port, and a certain negative pressure is]]></description><pubDate><![CDATA[20210819]]></pubDate></item>
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<title><![CDATA[DC Axial Fan 50mm 5v 12v Cooling Fan 50x50x10mm Brushless Fan]]></title><link><![CDATA[https://coolingfanfactory.en.ec21.com/DC_Axial_Fan_50mm_5v--11377527_11377831.html]]></link><description><![CDATA[negative, RD and PWM function)4 wire leads: ( positive, negative,FG and PWM function)SpecificationModelPart NumberVoltage(volt)Current(Amp)Power(Watt)Speed(rpm)Air Flow(CFM)Air Pressure(mmH2O)Noise(d]]></description><pubDate><![CDATA[20210506]]></pubDate></item>

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