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<title><![CDATA[EC21 Product Catalogs - normally open or close]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/normally-open-or-close--2053/1/normally open or close.html]]></link><item>
<title><![CDATA[Hard Seal Concealed Stem Gate Valve]]></title><link><![CDATA[https://wendy0987.en.ec21.com/Hard-Seal-Concealed-Stem-Gate--12049941_12048234.html]]></link><description><![CDATA[normal operation of the pipeline system shock absorption,
open and close for easy maintenance.
FEATURE 
Shape and structure: It has the advantages of lightweight, practical, beautiful and good safety]]></description><pubDate><![CDATA[20250311]]></pubDate></item>
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<title><![CDATA[HIFLUX - Air Operated Valve(AOV) - Normal Close / Normal Open]]></title><link><![CDATA[https://hiflux.en.ec21.com/HIFLUX-Air-Operated--6018419_6019169.html]]></link><description><![CDATA[Normal Close Type and the Normal Open Type according to valve conditions, whether the valve is open or closed in normal times.
Step 1. In the normal close type, the stem connected with the round plat]]></description><pubDate><![CDATA[20250121]]></pubDate></item>
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<title><![CDATA[LCB Chlorine Bellow Seal Globe Valve]]></title><link><![CDATA[https://afbvalve.en.ec21.com/LCB-Chlorine-Bellow-Seal-Globe--11859822_12021345.html]]></link><description><![CDATA[Chlorine globe valve
is easy to open and close.
Technical Specification
Face to face: DIN3202
Flange ends: EN1092-1 and ASME B16.5
Design standard: DIN and ASME
Test&amp; inspection: DIN3230 and ASME
]]></description><pubDate><![CDATA[20241030]]></pubDate></item>
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<title><![CDATA[HPA Spring Return Pneumatic Actuator with Handwhee]]></title><link><![CDATA[https://13165842695.en.ec21.com/HPA-Spring-Return-Pneumatic-Actuator--11916308_11918919.html]]></link><description><![CDATA[open, close or adjust valves. The function of the handwheel mechanism is to use it to directly control the control valve to maintain the normal production of the control system due to power failure, ]]></description><pubDate><![CDATA[20240401]]></pubDate></item>
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<title><![CDATA[Multifunctional Hydraulic Control Valve]]></title><link><![CDATA[https://fluidtechpipe.en.ec21.com/Multifunctional-Hydraulic-Control-Valve--11917154_11917457.html]]></link><description><![CDATA[or the pump outlet. During normal operation, the medium at the inlet side pushes the large valve disc up, and at the same time, the medium enters the middle cavity through the flow controller, so tha]]></description><pubDate><![CDATA[20240328]]></pubDate></item>
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<title><![CDATA[ISV08-22 Poppet 2-Way N.C. Solenoid Valve]]></title><link><![CDATA[https://valzoom.en.ec21.com/ISV08-22-Poppet-2-Way--11836037_11908384.html]]></link><description><![CDATA[ISV08-22 Poppet 2-Way NC Solenoid Valve
A solenoid-operated, 2-way, normally closed, poppet-type, screw-in, hydraulic cartridge valve, designed to function as a load holding or blocking valve in appl]]></description><pubDate><![CDATA[20240304]]></pubDate></item>
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<title><![CDATA[Intelligent Electric Valve Actuator IP67 Part Turn Electric Actuator]]></title><link><![CDATA[https://valvesactuators.en.ec21.com/Intelligent-Electric-Valve-Actuator-IP67--11898041_11898042.html]]></link><description><![CDATA[or re-installation is required, the valve should be in the middle position to check the open/close direction. Tests should be performed one by one according to the commissioning procedure and all par]]></description><pubDate><![CDATA[20240206]]></pubDate></item>
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<title><![CDATA[Electric Cast Steel Gate Valve]]></title><link><![CDATA[https://hcvalve1.en.ec21.com/Electric-Cast-Steel-Gate-Valve--11602168_11851890.html]]></link><description><![CDATA[Product DescriptionElectric cast steel gate valve
Gate valve is one of the commonly used block valves, which is mainly used to connect or cut off the medium in the pipeline; The gate valve is applica]]></description><pubDate><![CDATA[20231009]]></pubDate></item>
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<title><![CDATA[China Electric Actuated Ball Valve TOFINE-THA20T for Automatic Treatment]]></title><link><![CDATA[https://smartvalves.en.ec21.com/China-Electric-Actuated-Ball-Valve--4743207_9391109.html]]></link><description><![CDATA[China TOFINE Motorized ball valve for automatic treatment or automatic shut off system,Multiple options on Size,Material,Voltage and Wiring control,Normally closed or open when power off is availble,]]></description><pubDate><![CDATA[20180509]]></pubDate></item>
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<title><![CDATA[Pinch Valves]]></title><link><![CDATA[https://keyto.en.ec21.com/Pinch-Valves--11703672_11703673.html]]></link><description><![CDATA[open or fully close, and the degree of opening cannot be adjusted at will.

How doe s a pinch valve stop flow?
Two types of solenoid pinch valve
are available: N.C. and N.O. 
Normally open valve(N]]></description><pubDate><![CDATA[20230106]]></pubDate></item>
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<title><![CDATA[Pex Ball Valve]]></title><link><![CDATA[https://carbovalve.en.ec21.com/Pex-Ball-Valve--11603083_11657784.html]]></link><description><![CDATA[or not, the installed pex valves should be opened and closed several times at an interval of 1 to 3 months to keep the small brass valve in a smooth, normal and good state. When closing and opening o]]></description><pubDate><![CDATA[20221017]]></pubDate></item>
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<title><![CDATA[Stainless Steel/PVDF/PVC  Safety Valve]]></title><link><![CDATA[https://topkun.en.ec21.com/Stainless-Steel-PVDF-PVC--11394988_11394991.html]]></link><description><![CDATA[closed system or pipeline to keep the system safety. When the pressure in the equipment or pipeline exceeds the setting pressure of the safety valve, it will open automatically and relief the pressur]]></description><pubDate><![CDATA[20230505]]></pubDate></item>
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<title><![CDATA[China 12VDC 24VDC  Solenoid Normally Closed NC Pinch Valve]]></title><link><![CDATA[https://oriwen01.en.ec21.com/China-12VDC-24VDC-Solenoid--10399627_11052722.html]]></link><description><![CDATA[Normally closed or Normally Open/NC/NO optional
About Tubing 
•To ensure stable and durable performance, insert the tubing into the grooves when in use.
• Silicone tube (smooth inner wall and gre]]></description><pubDate><![CDATA[20200111]]></pubDate></item>

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