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<title><![CDATA[EC21 Product Catalogs - spring side force]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/spring_side_force--2053/1/spring side force.html]]></link><item>
<title><![CDATA[HIFLUX - Air Operated Valve(AOV) - Normal Close / Normal Open]]></title><link><![CDATA[https://hiflux.en.ec21.com/HIFLUX_Air_Operated_Valve_AOV--6018419_6019169.html]]></link><description><![CDATA[force of a spring located in the upper part, the valve closes and blocks the flow of the fluid.
* Features
- Normal close type : When valve is closed in normal, if air is supplied, it will open autom]]></description><pubDate><![CDATA[20250121]]></pubDate></item>
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<title><![CDATA[ASTM A352 LCB Non-slam Check Valve]]></title><link><![CDATA[https://jscvalves123.en.ec21.com/ASTM_A352_LCB_Non_slam--11881854_11970015.html]]></link><description><![CDATA[spring and back pressure. When the upstream fluid force exceeds the spring force, the disc will move axially off the seat. The contoured body-disc-diffuser arrangement assures venturi flow characteri]]></description><pubDate><![CDATA[20240717]]></pubDate></item>
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<title><![CDATA[Flange Nut]]></title><link><![CDATA[https://dtnut.en.ec21.com/Flange_Nut--11618173_11723301.html]]></link><description><![CDATA[force. Generally, the specifications of common flange nuts are generally below M20. Because most flanged nuts are used on pipes and flanges, they are restricted by the workpiece, and the specificatio]]></description><pubDate><![CDATA[20230208]]></pubDate></item>

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