Brass Cross

Brass Cross is an important accessory for pipe connection. At present, copper pipes and fittings are widely used in heating systems and water supply systems worldwide, mainly due to the unique physical and chemical properties of copper materials.

The copper pipe joint is welded once and the melting point is as high as 1083 degrees Celsius.

The joint of the copper pipe is welded with copper welding rod and oxygen acetylene, and the melting point of copper is as high as 1083 degrees Celsius, which is 5 times the melting point of the PPR hot water pipe. It can fully dissolve the electrode, make it give full play to the fluidity of the copper liquid, and fill the joint gap. The safety factor can be imagined. Archaeologists have found copper water pipes in Egyptian pyramids that are four or five years old and still working today. This is the best guarantee of confidence for people who choose copper pipes.

Copper is a corrosion-resistant material, and the corrosion resistance of copper is 25 times that of steel.

Copper is a hard, corrosion-resistant metal that can be used in a variety of environments without damage. People have been able to make and use copper living and production tools for thousands of years, and countless unearthed complete copper ware is a clear evidence of history. Copper pipe fittings and containers can be used to transport hot and cold water, sea water, oil, phenol, alcohol, non-oxidizing organic fluid and gas, etc., a wide range of uses, no pollution fluid, not easy to accumulate dirt, once completed, can be used for a long time, without repair and replacement. From the history of use abroad, the use time of many copper pipes has exceeded the service life of the building itself. Therefore, copper water pipes are absolutely safe and reliable.

Copper pipes are more hygienic

Copper is a red metal with a green face. Copper can inhibit the growth of bacteria and keep drinking water clean and sanitary. Biological studies have shown that coliform bacteria in the water supply can no longer continue to multiply in the copper pipe, and more than 99% of the bacteria in the water disappear by themselves after entering the copper pipe 5 hours. This outstanding biological property is formed by the presence of trace amounts of copper dissolved in water.

At present, in developed countries, copper water supply and heating systems have accounted for a large proportion: 85% in the United States; Canada accounts for 85%; Australia accounts for 85%; Britain accounts for 95 per cent; Hong Kong accounted for 75%; Singapore accounts for more than 80 per cent. In China, the amount of copper used in water heating and construction is not much, and the copper welding process is safe and reliable. Lead-free welding of copper does not pollute the water supply. Copper pipe fittings are made of natural materials, so it is very healthy and sanitary.

Copper pipe has high density and stable physical properties

The density directly affects the oxygen blocking function of the copper tube itself. The ρ value of the copper pipe is 6.89g/cm3, which is 7.66 times that of the PPR pipe, so the copper pipe itself has the function of preventing oxygen seepage. The melting point of copper pipe is as high as 1083 degrees Celsius, so copper pipe can be used in high-temperature steam piping systems. That is used in typical fin heating system working conditions 85/60℃, 95/70℃ system has no problem.

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