PPR Elbow

What is PPR?

As a new type of pipe, PP-R pipe has the following performance characteristics:

1) Energy-saving PP-R pipe production energy consumption is only 20% of steel pipe, and its thermal conductivity [0．2W/(mK)] is only 1/200 of steel pipe. Application in hot water system will greatly reduce heat loss.

2) Corrosion-resistant, non-scaling, hygienic, non-toxic use of PP-R pipe can avoid the "secondary pollution" of water quality caused by scaling and rusting of the inner wall caused by the use of galvanized steel pipe. Because the PP-R component is simple and the basic components are carbon and hydrogen, it conforms to food hygiene regulations, is non-toxic, and is more suitable for drinking water transportation.

3) The long-term use temperature of PP-R pipe is 95℃, and the short-term use temperature can reach 120℃. Under the conditions of using temperature of 70℃ and working pressure of 1.2MPa, long-term continuous use can reach more than long-term durability according to standards of life.

4) Lightweight, high-strength, low fluid resistance, the density of PP-R pipe is only 1/8 of that of metal pipe, the pressure test strength is as high as 5MPa, and it has good toughness and impact resistance. Because the inner wall is smooth, does not rust, does not scale, and the fluid resistance is small. The main technical indicators of PP-R pipe are as follows: Density 0.9g/cm3 Elastic modulus (20℃) 800MPa Thermal expansion coefficient 1.8×10-4/K Thermal conductivity 0.2W/(mK) Longitudinal shrinkage rate 2% Impact Test damage rate ≤10% Hydraulic test short-term 1h, ring stress 16MPa without leakage, long-term 95℃, 1000h, ring stress 3.5MPa.

PPR elbow plays an important role in the piping system. 

PPR elbow is a commonly used connection pipe fitting in plumbing installation. It is used for connection at pipe bends and used to change the direction of pipes.

PPR Elbow images

In addition to 90-degree elbows and 135-degree elbows, there are also different sizes of reducing elbows

PPR Elbow Features.

PPR pipe fittings have high strength, light weight, light transportation and installation, no special equipment, and good flexibility, not easy to break, and good shock resistance. The internal and external surfaces of the pipeline have strong anti-corrosion ability, and there will be no rust and leakage. The maintenance-free use within long-term durability according to standards avoids the problems caused by the maintenance of hospital fire-fighting equipment. In terms of hydraulic performance, due to the low surface friction and low resistance along the way, the pipe diameter can be reduced to 80% of the steel pipe under the same delivery volume and pressure. Its electrical properties are also very good, flame-retardant, extinguished when leaving the fire, good insulation, and safe to use.

The construction of ppr pipe fittings is convenient. Generally, the socket connection is adopted. It is convenient for pipe construction and installation with combined brackets and other accessories. It is convenient and quick, can greatly shorten the construction period, and does not require pouring concrete protective layer. The overall project cost is low and has significant advantages. Economic benefits.

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