Magnesium Anode Rod Used for Water Heater Tank High Potential Water Heater Magnesium Anode Made in China
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China Mainland
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First off, aluminum, being lower on the Galvanic Scale than magnesium, produces less driving current between anode and cathode (in this case, the tank is the cathode). We think that means it doesn't do as good a job of protecting the tank, especially in softer waters.
Second, it produces about a thousand times its original volume in corrosion byproduct, most of which falls into the bottom of the tank as a sort of jelly, and adds to sediment buildup there.
Third, that gunk also occasionally floats out the hot-water port, appearing as a cottage cheese-like substance clogging aerators and filters.
Fourth, the rod actually expands as it corrodes so that it is hard, or maybe impossible, to remove one a few months after installation because its diameter is bigger than when it was installed.
Fifth, along with that, it has a tendency to split off from the core wire, so that chunks fall into the bottom of the water heater, where they stop being anode and start being junk. That also means that if you try to take one out at that point, it may split away from the core wire and snag the underside of the top of the tank, like a fish hook.
Sixth, the build-up of sediment on the bottom of gas heaters encourages noisy operation, and some people can hear their water heaters loud and clear at night, which is not helpful for those wishing to sleep.
Seventh. There is a little booklet "The Danger of Food Contamination by Aluminum" by Dr. R.M. Le Hunte Cooper. It details the nasty things aluminum does to the body. The liver, brain, kidneys and spleen seem to be the main repositories, with nervous tissues holding the most by weight. It was written in 1932. Modern plumbing allows some water that came from the heater to be used as cold water. This doesn't matter if magnesium is used in the heater.
Eighth. If you find yourself ground zero in a disaster, and the water main is broken, about the last thing you want is to be drinking heavily-aluminum-laden water from the bottom of your water heater -- the source of last resort. It could make you sick in dreadful ways: trash your stomach and intestines, create instant arthritis in your joints. No fun!
Magesnium Anode Rod Used For Water Heater Tank High Potential Water Heater Magnesium Anode Made In China
Main Application:
Extruded magnesium anode Rod are mainly used in water boiler ,heat exchanger ,evaporator boiler and so on ,it has property of softening water ,decontamination, prolong the using life .It is widely used in water heater and boiler for corrosion protection and rust protection ,to extend the life of your water heater ,tank and so on
Description of Magnesium anode rod
It is a rod made of magnesium that's formed around a steel core wire and is screwed into the top of the tank or water heater
Working theory:
When the water heater’s tank is filled with water, an electrochemical process begins whereby sacrificial anodes are consumed to protect a small amount of exposed steel. Magnesium anode rod replaces that process with electricity and is not consumed. Usually, the anode is screwed into the tank. That means it can be unscrewed and replaced.
Main Specification:
During our industry producing and supplying process ,magnesium anode rod is divided into two specification.
1. Naked magnesium anode rod without screw & Cap ,buyer need to make further process after get it
2. Magnesium anode rod with Screw and Cap ,which could be directly use after buyer get it
Why magnesium anode rod?
Water heaters typically come with magnesium or aluminum anodes. We prefer magnesium. We dislike aluminum for a bunch of reasons. Those are:
Main Material Chemical composition: AZ31B
AL 2.5%-3.5%
Zn 0.6%-1.4%
Mn 0.2%-1.0%
Si 0.05% Max
Fe 0.003% Max
CU 0.01% Max
Ni 0.001% Max
Cr 100ppm Max
Pb 100ppm Max
Cd 50ppm Max
Other each impurities 0.01% Max
Magnesium: balance
Steel core Material: Carbon steel, As per GB/T 700 ,Q235 ,usually diameter 3.45mm ±0.1mm
Warpage tolerance : 3‰
Electrochemical properties of extrude magnesium anode rod
product item | open-circuit voltage | open-circuit voltage | Actual capacitance | current efficiency |
Mg anode with AZ31B | 1.50-1.55 | 1.45-1.50 | =1.105 | =50 |
mg anode with Mg-Mn | 1.70-1.75 | 1.57-1.62 | =1.100 | =50 |
Size of Extruded Magnesium Rod Anodes | |
Diameter | Theoretical weight (g/M) |
0.551/14 | 330 |
0.630/16 | 420 |
0.689/17.5 | 477 |
0.748/19 | 542 |
0.827/21 | 668 |
1.024/26 | 1005 |
1.300/33 | 1580 |
The length can be changed according to client requirements
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