QC-RST series water softener consists of three resin tanks (main tank and sub tank) hydraulic control valve and salt box. The control valve controls the water circuit to switch between the main tank and the sub tank to ensure that there is always a tank in working condition. While the other tank is in a regenerated or stand-by state, the regenerated salt solution is sucked by the negative pressure of the venturi injector installed in the valve, and the regenerating and cleaning water is the softened water of the other tank. For different raw water hardness, use different numbers of water dials to achieve the corresponding work and regeneration cycles.
The hardness of water consists mainly of cations: calcium (Ca2+) and magnesium (Mg2+) ions. When raw water containing hardness passes through the resin layer of the exchanger, calcium and magnesium ions in the water are adsorbed by the resin, and at the same time sodium ions are released, so that the water flowing out of the exchanger is demineralized water with hardness ions removed, and when the resin adsorbs calcium, When the magnesium ion reaches a certain degree of saturation, the hardness of the effluent increases. At this time, the water softener will automatically perform the regeneration of the failed resin according to a predetermined procedure, and use a higher concentration of sodium chloride solution (brine) to pass through the resin, making the failure. The resin is restored to sodium resin.
[7 Working Modes Flashlight]: Headlight (4-6hrs) -High, Medium and Flashing, Side White Lamp (4-7hrs) - High and Medium, Side Red Light (6-7hrs) - Flashing and Slow-flashing; Press the switch to change working mode and long press 3s to change working LED.Its beam can be focused that throws light up to an impressive 700 feet
[Car Emergency Escape Tool]: Features with window breaker break the stuck window and the seat belt cutter to cut the jammed seat belt; bring safe escape in emergencies, having a self defense Led Flashlight tactical can help you get out of most sticky situations
[HANDS-FREE]: With a powerful magnet on the side of the flashlight head, you could attach it to the car or other metallic surface to use as a Work Light, camping lamp or emergency warning light
[Reliable and Necessary]: Flashlight is water resistant & shock resistant for use under the most rugged, emergency condition.It comes with a weather resistant anodized aluminum alloy body, easy to grip, tail with a compass for outdoors; Not just for auto emergencies, also great for working, camping, or hiking as it's designed to withstand lots of abuse
[Rechargeable Emergency Power Bank]: This solar flashlight has a built-in 2000mAh 18650 battery, could be charged with included USB Cable (4-5hrs) or Solar Power (30hrs), using the USB cable to connect your phone with the flashlight (The battery needs to be greater than 20% )and charging your phone for emergency
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