Performance characteristics：

A good pipe should not only have good economy, but also have a series of advantages such as stable and reliable interface, material impact resistance, crack resistance, aging resistance and corrosion resistance. Compared with traditional pipe, HDPE pipe system has the following one. Series advantages:

Reliable connection: The polyethylene pipe system is connected by electric hot melt method, and the strength of the joint is higher than the strength of the pipe body.

Low temperature impact resistance: Polyethylene has a very low temperature embrittlement temperature and can be safely used in the temperature range of -60-60 °C. In winter construction, due to the good impact resistance of the material, the tube will not be brittle.

Good resistance to stress cracking: HDPE has low notch sensitivity, high shear strength and excellent scratch resistance, and environmental stress cracking resistance is also outstanding.

Good chemical resistance: HDPE pipes are resistant to corrosion by a variety of chemical media, and chemicals present in the soil do not cause any degradation to the pipe. Polyethylene is an electrical insulator and therefore does not rot, rust or electrochemically corrode; it also does not promote the growth of algae, bacteria or fungi.

Anti-aging, long service life: Polyethylene pipes with 2-2.5% evenly distributed carbon black can be stored or used outdoors for 50 years without being damaged by UV radiation.

Good wear resistance: The comparison of wear resistance of HDPE pipe and steel pipe shows that the wear resistance of HDPE pipe is 4 times that of steel pipe. In the field of mud transport, HDPE pipes have better wear resistance than steel pipes, which means HDPE pipes have a longer service life and better economy.

Good flexibility: The flexibility of the HDPE pipe makes it easy to bend. The engineering can bypass the obstacle by changing the direction of the pipe. In many cases, the flexibility of the pipe can reduce the pipe usage and reduce the installation cost.

Low water flow resistance: The HDPE pipe has a smooth inner surface with a Manning coefficient of 0.009. The smooth performance and non-adhesive properties ensure that the HDPE pipe has a higher conveying capacity than conventional pipes, while also reducing the pressure loss and water consumption of the pipe.

Convenient handling: HDPE pipes are lighter than concrete pipes, galvanized pipes and steel pipes. They are easy to handle and install. The lower manpower and equipment requirements mean that the installation cost of the project is greatly reduced.

A variety of new construction methods: HDPE pipelines have a variety of construction techniques, in addition to the traditional excavation methods, a variety of new non-excavation techniques such as pipe jacking, directional drilling, liners, cracking Pipes and other methods of construction, this is the only choice for some places that are not allowed to excavate, so HDPE pipe applications are more extensive.

Softness: Because PE-RT is soft. Therefore, special tools are not required for construction, so the construction cost is relatively low.

Thermal conductivity: Pipes used for floor heating require good thermal conductivity. PE-RT has good thermal conductivity and its thermal conductivity is twice that of PP-R and PP-B pipes. Ideal for floor heating.

High temperature resistance: PE-RT can withstand high temperatures up to 90 ° C, while PEX can only reach 65 ° C. 4, low temperature thermal shock resistance: PE--RT's low temperature impact resistance is better. The pipe is not easily damaged by impact during construction in winter, which increases the flexibility of construction arrangements.

Environmental protection: PE-RT and PP-R can be recycled and do not pollute the environment. However, PEX cannot be recycled and will cause secondary pollution.

Processing performance stability: PEX has problems such as controlling the degree of crosslinking and cross-linking uniformity, and the processing is complicated and the processing directly affects the performance of the pipe. The PE-RT and PP-R are easy to process, and the performance of the pipe is basically determined by the raw materials, and the performance is relatively stable. PE-RT is short for Polyethylene Raised Temperature. It is a medium density ethylene-octene copolymer specially designed for heating systems. It is a copolymer of ethylene monomer and 1-octene monomer. It has a narrow molecular weight distribution. The special molecular structure of octene uniformly distributed on the polymer main chain, which not only retains the original hygienic properties and processing properties of PE, but also strengthens a new type of special material for high temperature durability. The pipe produced from this raw material is mainly used in the field of hot water/heating pipes in buildings. Its durability can be the same as that of buildings, with a minimum of 50 years, and also has good recovery and high added value.

Features

■ Good hygienic performance: PE pipe processing does not add heavy metal salt stabilizer, the material is non-toxic, no fouling layer, no bacteria, and it solves the secondary pollution of urban drinking water.

■ Excellent corrosion resistance: It can resist the erosion of many chemical media except a few strong oxidants; there is no electrochemical corrosion.

■ Long service life: PE pipes can be safely used for more than 50 years under rated temperature and pressure conditions.

■ Better impact resistance: PE pipe has good toughness and high impact strength. Heavy objects directly press through the pipe and will not cause pipe rupture.

■ Reliable connection performance: The strength of the PE tube hot melt or electrofusion interface is higher than that of the pipe body, and the joint will not be broken due to soil movement or live load.

■ Good construction performance: the pipeline is light in weight, the welding process is simple, the construction is convenient, and the comprehensive construction cost is low.

Pipe connection:

■ Electrothermal fusion: The straight tube and the straight tube and the straight tube are connected by a special electric heat welding machine. Generally used for tubes below 160mm.

■ Hot-melt butt joints: They are connected by special butt welder pipes, which are generally used for pipes of 160mm or more.

■ Steel-plastic connection: It can be connected by flange, thread and thread.

■ In order to facilitate construction and ensure the quality of construction, appropriate tools should also be prepared.

Such as: rotating cutter to cut the pipe; rotary scraper - scrape the scale on the surface of the pipe; climb the wall scraper - scrape the skin on the surface of the large diameter pipe; gas shut-off tool - to achieve the off-site operation.

Shandong Ronghui Guantong Co., Ltd. (hereinafter referred to as Ronghui Guantong, stock code 833104), is a high-tech enterprise engaged in long-distance large-caliber water supply pipe, municipal pipe network water supply and drainage pipe, sponge urban system solutions and related products, plastic products production, with scientific management and advanced technology, public. The company has successfully passed the ISO9001 quality management system certification.

The company's production base has an advanced production line of buried double-flat-wall steel-plastic composite drainage pipe. The production technology has reached the international advanced level. The company's leading products are: municipal pipe network series: high molecular weight skeleton pipe, HDPE general reinforced network wall pipe, polyethylene water supply pipe, polyethylene gas pipe, polyethylene. The same layer of drainage pipes, polyethylene rainwater collection pipes, polyvinyl chloride (PVC-U, PVC-M) water supply pipes, polyvinyl chloride drainage pipes, and large diameter pressure pipes - solid wall pipe skeleton plastic composite pipes. Sponge city related products: circular outlet, square outlet, viaduct rainwater collection "artifact" - PE water tank, PP water storage module. Plastic products: plastic inspection wells, plastic septic tanks, large capacity plastic storage tanks, floating bodies, etc. The same quality and lowest price.