What do you need to consider when choosing an imported heating pipe? Are imported heating pipes reli

The most important thing to pay attention to when choosing a floor heating pipe is the oxidation resistance, and the PE-RT (reinforced heat-resistant polyethylene) floor heating pipe in Germany has done a very good job in this regard, with an EVOH oxygen barrier layer to effectively prevent oxygen from entering the floor heating water system, which is conducive to the service life of the entire floor heating system.

1.There are generally three diameters of radiators: 4 points, 6 points, and 1 inch. The common diameter is 6 minutes (inner diameter 20mm), especially 4 minutes (15mm) or 1 inch (25mm).

It's not cold in the south, it's generally 4 minutes, it's 6 points in Beijing, and it's 1 inch more cold in the northeast.

2.The water of the whole system of the series heating pipe is the first group that passes through the waterway, then the second group, and the third group, so the water temperature is not as high as the group, which causes the number of radiators to increase needlessly

So what is the tandem connection of heating pipes?

Skewer. Lian is actually a single pipe, that is, a pipe from the inlet to the outlet, and sequentially.

Finish the radiators in order. As with the series connection of the circuit, water flows from the first house, then from the first house to the second house, and then from the second house to the third house, and then flows out in turn, and finally closes the circuit. Heating pipes in series, generally.

The hot water goes up to the top of the house and then flows down the floor, so the upstairs is hotter than the radiators downstairs. In this series mode, the inlet and outlet water temperature of each group of radiators is different. And the valves of any radiator are.

It can't be turned off, otherwise it will affect the heating of other people's homes.

What about heating in parallel?

The parallel connection method is that the water from each group of heating flows out and flows directly into the return pipe, without going through the next group of radiators. In this parallel way, the water temperature is basically the same.

Therefore, from the perspective of heating effect, the heating pipe series connection method is not as good as parallel connection.

However, the length of the pipe used in the parallel connection method is about twice the length of the pipe used in series.

The products that can be exported will certainly be higher than the domestic products in terms of production and quality standards. But what is not imported is the best. There are many products that are also produced domestically, but they are labeled with foreign brands.

And from a cost-effective point of view. Good domestic products are also used.

The price of pure imported floor heating will be more expensive, in fact, the domestic brand floor heating production process is also very good, many foreign brands are also looking for OEM in China, you can look at the domestic brand. Floor heating is a hidden project, and it is safe and comfortable to use when installed.

I have asked a friend this question before, it is a home improvement, and the answer is that this kind of thing does not need to pursue any foreign brands, because Chinese products are very good, foreign ones are not necessarily better than domestic ones, as long as you try your best to find a powerful manufacturer, the domestic one is more secure, I think it makes sense, so I relay it to you, I hope it will help you.

In addition, I don't know if you are **, but we use more Rifeng and Rubens floor heating pipes, I and my neighbors use Rubens, the current two years, the effect is good, the service was impressive, I feel very good and more assured. Good luck too.

There are many imported brand pipes, I mainly say the German ones, and consumers choose according to their needs.

1.German Locconi.

As a German professional high-end heating technology brand, Rocconi has a long history. Since its birth in 1930, Rocconi has been committed to the development and production of modern HVAC systems. The road to the development of brand genes has been paved from this.

As a pioneer and representative of German professional HVAC technology, Rocconi is synonymous with Seiko technology, intelligent production and leading technology. Its products, which seamlessly combine traditional craftsmanship with the latest manufacturing techniques, date back to the 19th century.

Since 1930, Rocconi, born in the era of the "First Industrial Revolution"**, has focused on the urban heating systems of the future. From the earliest ground radiation, indoor hot water circulation, to today's dozens of HVAC patents and technologies. With its outstanding system development and product quality, Rookconi has achieved today's full reputation in recent decades.

2.Leon, Germany.

Founded in 1911 in the Bambeck region of central Germany, Leone Plastics is one of Europe's largest manufacturers of piping systems.

3.Uponor, Germany.

Uponor's core products are ground auxiliary radiation heating systems, drinking water systems, and municipal plumbing solutions, with an annual output of more than 60 million meters of pipes and millions of metal and plastic pipe fittings, and are sold in more than 100 countries around the world.

4.Owen Topp, Germany.

Owen Top GmbH is one of Europe's leading manufacturers of valve products and system solutions, which are widely used in district heating, sanitary equipment and intelligent building systems. The pipes produced include aluminum-plastic, PE-XC compression type, Pert pipe and compression pipe fittings, which are mainly used for the connection of cross-linked polyethylene pipes and water collector pipes.

5.Prindo, Germany.

Prindo is one of the two major brands of the German IVT Group, and enjoys a high reputation worldwide for its innovative products in pipe installation and connection technology, toilet equipment and heating technology.

6.German Ruihao.

REHAU is one of the world's leading suppliers of floor heating system products, which has been producing cross-linked polyethylene PE-XA pipes since 1972 and has a history of more than 35 years, with rich experience in the production and application of PE-XA pipes. REHAU was also the first company in Europe to apply PE-XA pipes to floor heating systems.

There are many imported brands of pipes, such as the top ten imported heating pipe brands: German Ruihao, British Sarkoson, Uponor, Owen Top, Giacomini, Denmark Gran, Danfoss, Prindo, Swiss George, German Teana. The above is the latest top ten floor heating brands in the world.

Some of them are produced in China, not imported pipelines, such as Shanghai Ruihao, Uponor, Giacomini and Manred.

Imports are: George Fischer, Insakosen, Upono, Giacomini.

Georg Fischer – The brand is from Switzerland, and it mainly makes pert pipes and PB pipes, which are not suitable for radiators.

Insakosen - the brand comes from the United Kingdom, mainly making PEXB pipes, floor heating and radiators, European standard grade, ** medium and upper.

Uponor - the brand is from Germany, the main PEXA tube, S5 grade, the popularity in Europe is very good, ** high;

Giacomini - the brand is from Italy, mainly making valves, pipes are mainly produced domestically, but the quality is still very good, the above is the introduction of some mainstream brands, I hope to help you.

1. Germany Herneng 2, Germany Prindo 3, Germany Owen Top 4, Germany Princen 5, Germany Hermani 6, Germany Teana 7, Germany Ruihao 8, Germany Andron 9, Germany Microfa 10, Germany Kuosheng.

It is used for drainage. In case the heating freezes in winter and the other part does not, you can open the valve on the connecting pipe and use it for emergency drainage.

I was depressed and deducted 10 points d%a 1, drainage system classification%d%a drainage system can be divided into three categories: domestic sewage pipeline system, industrial wastewater pipeline system and roof rainwater pipe system according to the different types of sewage and wastewater received. %d%a 2, drainage system system %d%a building drainage system sub-merge system and diversion system. 3. The basic requirement of the indoor drainage system is to quickly and smoothly remove the sewage and wastewater inside the building, and ensure that the drainage system will not cause the water seal to be damaged under the fluctuation of air pressure.

Its composition consists of the following parts: %d%a (1) Sanitary appliances or water collectors for production equipment, which are the starting point of the drainage system. %d%a (2) The trap is a pipe fitting connected between the sanitary appliance and the drain branch pipe to prevent the rancid odor, harmful gases, and insects in the drain pipe from entering the room through the drain pipe.

If the sanitary appliance itself has a trap, it will not be installed. %d%a (3) Drainage pipeline system, which is composed of drainage cross branch pipe, drainage riser, buried main pipe and discharge pipe. The drainage cross branch pipe is to discharge the sewage from sanitary appliances or other equipment into the riser.

The drain riser is a vertical manifold that connects the various drain branches. The buried main pipe connects the various drainage risers. The discharge pipe discharges the indoor sewage to the first inspection well outside.

D%A (4) The ventilation pipe system is to make the indoor drainage pipe communicate with the atmosphere, reduce the pressure fluctuation of the air in the drainage pipe, and protect the water seal of the water trap from being destroyed. The commonly used forms include appliance ventilation tubes, circumferential ventilation tubes, safety ventilation tubes, special ventilation tubes, combined ventilation tubes, etc. %d%a (5) Clearing equipment is the equipment for dredging drainage pipes and ensuring smooth drainage.

It includes inspection openings, sweeping openings, and indoor inspection wells.

1. When there is a leak in the primary network, the total water supply and return valve can be closed to ensure the boiler water pressure and prevent vaporization.

2. Adjust the balance of the water system.

What is the role of the connecting pipe of the heating pipe for water supply and return?

Although the outdoor heating pipe removes larger debris and lumps before welding, there will still be some sediment or suspended solids (i.e. objects lighter than water) and welding slag, etc., which can make the larger particle size solids be blocked in front of the dirt collector when the outdoor system is circulated, but there are still smaller particle size sediment will enter the indoor heating system with the circulation of the system. When sediment or suspended solids accumulate at the end of the system or in front of the valve, the system will not heat up or the flow rate will be reduced and the temperature will be low. The outdoor system will bring sediment to the nozzle of the expansion pipe with a smaller diameter due to the large diameter of the pipe and the high flow rate, and the expansion tank will lose its effect when it is completely blocked, so that the system cannot operate normally.

Therefore, the pipe must be flushed before the pipe is used for heating.

Precautions should be taken when flushing outdoor pipes:

1) When flushing, the inlet and outlet valves at the thermal inlet of each building should be closed, and the hot water heating pipeline with a short system pipeline can be flushed in the whole pipe section. The flushing sequence is from the water supply pipe to the return pipe, and a temporary drainage pipe is installed at the lowest point of the system until the drainage is clear and free of sediment. When the system duct is long, it can be flushed in sections.

2) The steam pipeline can be purged by steam, also known as the sweeping line), starting from the steam pipe, the bypass valve of all the trap groups in the system is opened (closed to enter the trap valve), so that the sediment and debris are discharged from the bypass pipe with the condensate, and the steam exhaust port is set in the system.

When the condensate is discharged until there is no sediment, the purging is qualified.

3) During winter construction, the flushed pipeline should be drained to avoid freezing and damaging the pipeline or valve at the stagnant water due to the long storage time.

4) The drainage plan should be prepared in advance for flushing the pipeline, and it is forbidden to drain water into the ditch.

Abstract:The life of floor heating mainly depends on the floor heating pipe (because the floor heating pipe is not easy to replace after installation, and the equipment above the ground is easy to repair and replace), so the floor heating pipe is also a very important part of the floor heating system

Top 10 floor heating brands in the world.

Könod, Germany.

Nicolas Sarkosen, UK.

Uponor, Germany.

Owen Topp, Germany.

Giacomini, Italy.

Danish Gran. Danfoss, Denmark.

Prindo, Germany.

German Ruihao. German nature.

The top ten pipe brands are from Germany, the United Kingdom, Denmark, etc., in the market share is relatively high, European brands account for a high proportion, the above is the latest 2014 global top ten floor heating brands.

Konod's ranking should be ranked first, the big brand is guaranteed!

Home installation floor heating, pipes are the top priority of auxiliary material selection, now there are many brands of various floor heating pipes on the market, the usage is different, some floor heating companies use some eliminated PB pipes and PPR pipe technology, some use waste materials and can not withstand high temperature Pert pipes, large and more standardized floor heating companies use PEX pipes that can withstand high temperature and low temperature, but the brands are different, compared with domestic brands of floor heating pipes, imported brand pipes with anti-oxygen impermeability layer, And the wall thickness will be relatively thicker, so that the compression resistance and endurance will be stronger, the elasticity is better, and the domestic brand of floor heating pipes are mainly S5 grade, the pipe wall is relatively thin, the pressure performance is not good, it is easy to break when pressing, and the imported floor heating pipe is more transparent than the domestic floor heating pipe, the pipe wall is more transparent, shiny, and no dark spots, the water resistance is small, and the water flow is smoother. On the market, the sales of European brands of floor heating pipes are relatively good, and the European standard floor heating pipes include Glass Horse, Prindo, Insakosen, Giacomini, Danfoss, Ruihao, Watts, these brands, and domestic brands include Weixing, Poly, Laipoly, Tegu, Soland, and Rolit.