At what temperature below zero can the special trinity pex solar foam tube be used?

Introduction At what subzero temperature can trinity pex solar special foam pipe be used? You may be talking about water pipe insulation. Theoretically, in an environment with subzero temperatures, regardless of the insulation pipe used?

At what temperature below zero can the special trinity pex solar foam tube be used?

You may be talking about water pipe insulation. Theoretically, in a subzero temperature environment, no matter what technology or thickness the insulation pipe uses, if there is no additional heat source to add, heat will be lost for a period of time. long period. During the exchange, the remaining water in the upper and lower water pipes will freeze, causing the water pipes to burst. Therefore, the most common method is to add anti-freeze tape between the water pipes and the insulation layer to ensure that the water pipes do not freeze.

What is the best water pipe for home solar?

Solar water heater

There are many options for installing water pipes, such as PPR water pipes, copper pipes, copper pipes -plastic (aluminum-plastic pipes), PVC pipes, iron. pipes, etc.

Actually, considering various factors, PPR water pipes are quite ideal. The reason is also very simple. Firstly, the quality of good PPR water pipes is very reliable, which is quite comparable to that of copper pipes. Secondly, the price is more acceptable and much lower than copper pipes; that it is healthy, without any rust or patina.

Note that the water pipe must be rated 6 points. PPR water pipes are divided into cold water pipes and hot water pipes. The key is the thickness of the pipe wall. It is recommended that everyone use hot water pipes for drainage at home. the price is not much more expensive.

Considering that solar water pipes must be antifreeze, meaning they cannot freeze and crack under normal circumstances, there are only three types of pipes on the market: the real leadsreticulated PEX, PERT pipes. , and PB pipes.

At present, most of the market uses PEX as solar water pipes, because it is frost-resistant and its price is relatively low. However, over the past couple of years, many manufacturers have reduced their crosslinking. degree a lot in order to compete for the market, so The cost is reduced, but its antifreeze performance is also greatly reduced. If you use it, it is recommended not to choose one with less than 140 yuan. -the freezing performance of PERT is better than that of PEX, but its cost is relatively higher, so it is now very popular in the market. It is rarely used for solar energy and PB pipes should be considered the best antifreeze; on the market. They are now used in many high-end underfloor heating projects. Of course, their costs are higher and they cannotbe promoted in the solar energy sector at present.

Therefore, it is recommended to choose higher quality PEX cross-linked pipes, as long as you are not trying to be cheap.

PPR cannot be used as solar water supply and drainage pipes. It can freeze and crack in one winter in the north (it can be used in the south). it does not work.

Aluminum-plastic pipes are not good either. Foshan Rifeng and Jinde used them for only four to five years in the north and south of the Yellow River, and only two or three years in the northeast. .

But indoors, for aesthetic reasons and high internal temperature, PPR or aluminum-plastic pipes can be used.

Should we use PEX pipes for solar sewer lines or aluminum-plastic pipes to resist freezing in winter?

Considering thathe solar water pipes must be antifreeze, which means they cannot freeze and crack under normal circumstances, there are only three types of pipes on the market: real cross-linked PEX pipes, PERT pipes . , and PB pipes.

Current marketMost use PEX as solar water pipes, because it is antifreeze and its price is relatively low. However, in the past two years, many manufacturers have significantly reduced their degree of crosslinking in order to compete in the market, thereby reducing their degree of crosslinking. However, at the same time, it is antifreeze. Performance has also been significantly reduced. If you use it, it is recommended not to choose one with less than 140 yuan, PERT's antifreeze performance is better. than PEX, but the cost is relatively higher, so it is rarely used for solar energy in the market; and thee PB tube It must be said that it is the best anti-freeze pipe on the market. It is now used in many high quality systems. final underfloor heating projects. Of course, its cost is higher and it cannot be promoted in the solar power industry at present.

Therefore, it is recommended to choose higher quality PEX cross-linked pipes, as long as you are not trying to be cheap.

PPR cannot be used as solar water supply and drainage pipes. It can freeze and crack in one winter in the north (it can be used in the south). it does not work.

Aluminum-plastic pipes are not good either. Foshan Rifeng and Jinde used them for only four to five years in the north and south of the Yellow River, and only two or three years in the northeast. .

But inside, for aesthetic reasons and high internal temperature, plastic pipesPPR or aluminum-plastic can be used.

I hope the above answers are helpful to you.

Generally, aluminum-plastic pipes are not used and the cost is high. Instead, PEX pipes are used. The exterior of the pipes must be covered with an insulating layer. a tip: install a 3-way electromagnetic pipe: 1 is near the outlet of the solar sewer pipe, 2 is connected to the water pipe, and 3 is connected to the atmosphere in this way, when no water is not used in winter. , close the solenoid valve, open the indoor faucet and drain the water into the pipe, so that the pipe does not freeze.

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