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<title><![CDATA[EC21 Product Catalogs - automatic air valve]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/automatic-air-valve--1814/1/automatic air valve.html]]></link><item>
<title><![CDATA[Oxygen Cylinder Filling Pump Air Pump Oxygen Oxygen Booster Pump for Diving with Gas Tank]]></title><link><![CDATA[https://shineeast2024.en.ec21.com/Oxygen-Cylinder-Filling-Pump-Air--11996822_12021621.html]]></link><description><![CDATA[valves and pressure regulators have to be fitted on panels. The outlet pressure is easily to be set through a simple air regulator. 
The pump stops automatically when this end pressure is reached and]]></description><pubDate><![CDATA[20241031]]></pubDate></item>
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<title><![CDATA[Lab Testing Equipment Gas Booster Pump]]></title><link><![CDATA[https://aurora980427.en.ec21.com/Lab-Testing-Equipment-Gas-Booster--11990290_12011435.html]]></link><description><![CDATA[This series of pumps utilizes a single pneumatically actuated unbalanced gas distribution valve for automatic back and forth motion. The pump drive components are made of aluminum alloy or stainless ]]></description><pubDate><![CDATA[20240929]]></pubDate></item>
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<title><![CDATA[High Efficiency QBY Series Double Air Operated Pneumatic Diaphragm Pump From China Supplier]]></title><link><![CDATA[https://shenghuipump.en.ec21.com/High-Efficiency-QBY-Series-Double--11992146_11992179.html]]></link><description><![CDATA[valve mechanism automatically introduces compressed air into the other working chamber and pushes the diaphragm pump to move in the opposite direction, thus forming a synchronized reciprocating motio]]></description><pubDate><![CDATA[20240826]]></pubDate></item>
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<title><![CDATA[QBK-T Cast Iron Pneumatic Diaphragm Pumps]]></title><link><![CDATA[https://hkpumpvalve.en.ec21.com/QBK-T-Cast-Iron-Pneumatic--11975480_11975482.html]]></link><description><![CDATA[valve, even if due to unforeseen circumstances and a long time without media operation or sudden shutdown, the pump will not be damaged. Once overloaded, the pump will automatically stop, with self-p]]></description><pubDate><![CDATA[20240726]]></pubDate></item>
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<title><![CDATA[Battery Operated Bilge Pump DC 12V 24V Marine Boat Yacht Submersible]]></title><link><![CDATA[https://hurricanelantern.en.ec21.com/Battery-Operated-Bilge-Pump-DC--9433105_8808958.html]]></link><description><![CDATA[Automatic Bilge PumpFlow Rate ( GPH/HR )600GPHVoltage ( V )12V/24VCurrent ( A )3.5A/2.5ALift ( M )3M/3MCable Length ( M )1M/1MOutlet Dia19MM/19MM
12V/24V 750 GPH Marine Automatic Bilge PumpFlow Rate ]]></description><pubDate><![CDATA[20240724]]></pubDate></item>
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<title><![CDATA[Portable Electric Bilge Pump Marine Boat Yacht Submersible DC 12V 24V]]></title><link><![CDATA[https://kerosun.en.ec21.com/Portable-Electric-Bilge-Pump-Marine--9441244_5782761.html]]></link><description><![CDATA[Automatic Bilge PumpFlow Rate ( GPH/HR )600GPHVoltage ( V )12V/24VCurrent ( A )3.5A/2.5ALift ( M )3M/3MCable Length ( M )1M/1MOutlet Dia19MM/19MM
12V/24V 750 GPH Marine Automatic Bilge PumpFlow Rate ]]></description><pubDate><![CDATA[20240724]]></pubDate></item>
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<title><![CDATA[Electric DC 12V Car Engine Oil Transfer Extractor Pump Fluid Diesel Water Suction 100W]]></title><link><![CDATA[https://sundries.en.ec21.com/Electric-DC-12V-Car-Engine--9450008_237343.html]]></link><description><![CDATA[ValveVitonCheck Valve Spring316 Stainless SteelMotor Shaft316 Stainless SteelInlet/Outlet Dia25mmMaximum Working Pressure40PSI ( 3 Bar )Switch SettingYesSelf PrimingUp to 5M verticallyLiquid Temperat]]></description><pubDate><![CDATA[20240724]]></pubDate></item>
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<title><![CDATA[Sleigh Axial-flow Pump]]></title><link><![CDATA[https://zlwaterpump.en.ec21.com/Sleigh-Axial-flow-Pump--11104680_11104687.html]]></link><description><![CDATA[automatic exhaust valve,change the mechanical seal.
6.Assembly problem: the pump cover may not be mounted flat during the installation,making the shaft and the pump cover are in the non-vertical,whic]]></description><pubDate><![CDATA[20210302]]></pubDate></item>
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<title><![CDATA[High Pressure Pneumatic Pump]]></title><link><![CDATA[https://gxpump66.en.ec21.com/High-Pressure-Pneumatic-Pump--11743753_11856787.html]]></link><description><![CDATA[valves and automatic shut-off systems, are commonly integrated into these pumps to prevent over-pressurization and ensure user safety.
Pressure Gauges: High-pressure pneumatic pumps
usually include p]]></description><pubDate><![CDATA[20231020]]></pubDate></item>
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<title><![CDATA[2XZ Series Double Stage Rotary Vane Vacuum Pumps]]></title><link><![CDATA[https://doctorpump.en.ec21.com/2XZ-Series-Double-Stage-Rotary--11435863_11468838.html]]></link><description><![CDATA[valve, can be able to pump condensable gas, such as water vapor
Pressure oil circulating system
Automatic fuel oil returning check valve
Applications
The pump is one of the basic equipment to exhaust]]></description><pubDate><![CDATA[20211102]]></pubDate></item>
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<title><![CDATA[Plastics Air-Operated Diaphragm Pump]]></title><link><![CDATA[https://dongkai1.en.ec21.com/Plastics-Air-Operated-Diaphragm-Pump--11601454_11851953.html]]></link><description><![CDATA[valve train automatically introduces compressed air into the other working chamber, pushing the diaphragm in the opposite direction, thus forming a synchronous reciprocating motion of the two diaphra]]></description><pubDate><![CDATA[20231009]]></pubDate></item>
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<title><![CDATA[Two Impeller Deep Suction Pump]]></title><link><![CDATA[https://newyinjia.en.ec21.com/Two-Impeller-Deep-Suction-Pump--11663542_11851893.html]]></link><description><![CDATA[automatic water sprinkler system, small air conditioner system or supporting equipment etc.DESIGN FEATURES-Pump body/motor bracket: cast iron-Impeller: Brass-100% copper winding-Built-in thermal prot]]></description><pubDate><![CDATA[20231009]]></pubDate></item>
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<title><![CDATA[Swimming Pool Heat Pump Water Heater]]></title><link><![CDATA[https://bluewaysd.en.ec21.com/Swimming-Pool-Heat-Pump-Water--8269544_8674102.html]]></link><description><![CDATA[Air exchanger (fins-coil) with hydrophilic coating. 
8) Automatic defrosting function included. (With reverse cycle valve inside) 
9) General testing and operational test carried out for every unit b]]></description><pubDate><![CDATA[20180301]]></pubDate></item>
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<title><![CDATA[VRD-12 0.55kw Two Stage Oil Rotary Vane Vacuum Pump]]></title><link><![CDATA[https://cece0126.en.ec21.com/VRD-12-0.55kw-Two-Stage--10858660_10860716.html]]></link><description><![CDATA[Automatic anti-backflow valve design to protect the vacuum pump system from the containmination of the oil and the oil vapour after the pump stoped running. 
4: Double gas ballast to meet different r]]></description><pubDate><![CDATA[20181126]]></pubDate></item>

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