PB pipe PB pipe (polybutene) is a kind of high molecular inert polymer, which has the reputation of “gold in plastic”. PB resin is a polymer composite synthesized from butene-1. It has high temperature resistance, durability, chemical stability and plasticity. It is odorless, non-toxic, and odorless. The applicable temperature range is -30℃ to 100 ℃, it has cold resistance, heat resistance, pressure resistance, no rust, no corrosion, no scaling, long life (up to 50-100 years), and long-term aging resistance. It is the most advanced chemical material in the world. one. It has been widely used in many countries in the world.
PB pipe
PE water supply pipe
PB pipe (polybutene) is a high molecular inert polymer, with the reputation of “Gold in Plastics”. PB resin is a polymer composite synthesized from butene-1. It has high temperature resistance, durability, chemical stability and plasticity. It is odorless, non-toxic, and odorless. The applicable temperature range is -30℃ to 100 ℃, it has cold resistance, heat resistance, pressure resistance, no rust, no corrosion, no scaling, long life (up to 50-100 years), and long-term aging resistance. It is the most advanced chemical material in the world. one. It has been widely used in many countries in the world.
Features of PB pipe
1. Good durability, non-toxic and harmless: Because it is a high-density polymer, the molecular structure is stable, the service life can reach 50-100 years, and it is non-toxic and harmless, and no chemical reaction occurs.
2. Anti-ultraviolet rays and corrosion resistance: PB tube is resistant to ultraviolet rays and microorganisms, and can make the water stored in it deteriorating for a long time.
3. Light weight, good flexibility, PB pipe weight is 1/20 of galvanized steel pipe, easy to handle, soft material, minimum bending radius is 6D (D: pipe outer diameter)
4. Good frost resistance and heat resistance: at -20℃, it has good low-temperature impact resistance. The pipe will not freeze and crack. After thawing, the pipe can be restored to its original shape and can withstand high temperatures below 100°C.
5. Good thermal stretchability and advanced connection method: The thermal stretchability of PB pipe is about 1/60 of that of metal pipe, and the expansion coefficient is similar to that of concrete. The connection method is an integrated hot-melt connection, so when it is buried, the movement of the pipe and the leakage of the connection caused by temperature changes and water hammer can be avoided.
6. Energy saving: When the PB tube is used for low-temperature ground radiant heating, it can save energy by 30%.
7. Easy to repair and reform: When PB pipe is buried in the dark, it will not bond with concrete.
8. The pipe wall is smooth and does not scale: Compared with the galvanized pipe, the water flow can be increased by 30%.
Application field
1. Water supply (sanitary pipes) and hot water pipes: In terms of tap water and hot water pipes, PB pipes are recognized as non-toxic, odorless and most durable pipe materials.
2. Heating pipe: Because of its good heat preservation, construction and permanent durability, it is most suitable for the connection of the building and the underfloor heating piping system.
3. Industrial pipes for air-conditioning: Because of its strong corrosion resistance (acid, alkali and salt resistance), non-toxic and tasteless, it is the best pipe for chemical engineering, food processing engineering, general hospitals, industrial water, etc. Because of its high compressive strength, it is most suitable for use in air conditioning duct systems.
4. Agricultural and horticultural pipes: Because of their corrosion resistance, flexibility and strong UV barrier, they are used for irrigation, golf course sprinklers, underground heating on farms, and piping for spraying chemicals.
5. Snow removal pipe: It has permanent life and strong impact resistance, and is especially suitable for snow removal pipes for roads, parking lots and playgrounds. Engage in high-impact pipes.
6. Hot spring tube: It has outstanding heat resistance and compression resistance, and will not generate rust and scale. As a hot spring tube, it has an unparalleled effect.
7. Pipes for automatic sprinkler systems for fire protection: Among the non-metallic pipes, they passed the American UL specification for the first time and obtained FM approval. They are widely used as pipes for automatic sprinkler systems in developed countries.
PE pipe
PE water supply pipe
PE Polyethylene PE is a polyethylene plastic, a series of resins produced by a variety of processes, with a variety of structures, characteristics and multiple uses. PE pipes include medium-density polyethylene pipes and high-density polyethylene pipes, which are divided into SDR11 and SDR17.6 series according to the wall thickness. The former is suitable for transporting gaseous artificial coal gas, natural gas, and liquefied petroleum gas, while the latter is mainly used for transporting natural gas. Compared with steel pipes, the construction process is simple, with a certain degree of flexibility, and more importantly, it is not used for anti-corrosion treatment, which will save a lot of working procedures. The disadvantage is that the equipment is not as good as steel pipes. Special attention should be paid to the safety distance of thermal heating during construction, and it should not be exposed to the sun in the air, and it is sensitive to chemicals to prevent leakage of sewage pipes from causing damage.
Features of PE pipe
1. Environmental protection and sanitation: no scaling, no bacteria breeding, solving the secondary pollution of drinking water.
2. Good flexibility: good flexibility, high impact resistance, high elongation at break, strong adaptability to uneven settlement of the pipe foundation, and excellent seismic performance.
3. Simple construction: Simple construction process, low system cost, low maintenance cost, and greatly reduce project cost.
4. Long service life: The service life is up to 50 years under normal conditions.
5. Convenient transportation: light weight, convenient transportation and installation.
6. Good flow rate: excellent wear resistance, extremely low pipe wall friction coefficient, and improved medium passing capacity.
7. Strong corrosion resistance: inert material, resistant to a variety of chemical media corrosion, no electrochemical corrosion.
8. Reliable interface: hot-melt butt and hot-melt plug-in technology make the strength of the interface higher than that of the pipe body, and the interface is safe and reliable.
Application field
1. Urban tap water pipe network system
2. Natural gas and gas transmission system
3. Fluid input and discharge of industrial chemicals
4. Desalination pipe network
5. Water supply pipe network for landscaping
6. Ground source heat pump system
7. Siphon, same-layer drainage system
8. Trenchless engineering
9. Food and industrial raw material conveying system
10. Conveying systems in the chemical and petroleum fields
PVC pipe
PVC pipe
U-PVC, also known as hard PVC, is composed of an amorphous thermoplastic resin made by the polymerization of vinyl chloride monomer and certain additives (such as stabilizers, lubricants, fillers, etc.). In addition to using additives, the method of blending with other resins is also used to make it have obvious practical value. These resins are CPVC, PE, ABS, EVA, MBS and so on.
UPVC has high melt viscosity and poor fluidity. Even if the injection pressure and melt temperature are increased, the fluidity will not change much. In addition, the molding temperature of the resin is very close to the thermal decomposition temperature, and the temperature range that can be molded is very narrow, making it a difficult-to-mold material.
Features of PVC-U pipe
1. Light weight, convenient handling and unloading: The PVC pipe is light in material, convenient in handling, loading and unloading, and construction, saving labor.
2. Excellent chemical resistance: PVC pipe has excellent acid resistance, alkali resistance and corrosion resistance, which is very suitable for the chemical industry.
3. Low resistance: The inner wall of the PVC pipe is smooth, with low resistance, and its friction coefficient is only 0.009.
4. Good electrical insulation: PVC pipes have excellent electrical insulation properties and are suitable for protecting wires and cables.
5. Simple construction: The combined construction of PVC pipes and pipe fittings is quick and quick, and the construction cost is low.
6. Does not affect water quality: PVC pipes are proven by dissolution tests to not affect water quality and are currently the best pipe material for tap water piping.
7. High mechanical strength: PVC pipe has very high water pressure resistance, external pressure resistance, impact resistance, etc., which is suitable for piping projects under various conditions.
Features of PVC drainage pipe
1. The surface hardness and tensile strength of the pipe are excellent, and the safety factor of the pipe is high.
2. The linear expansion coefficient of the pipeline is small, 0.07mm/℃, and the amount of deformation affected by the temperature is small. The thermal conductivity and elastic modulus are small, and the anti-freezing performance is better than that of cast iron drain pipes.
3. The pipes and pipe fittings can be connected by bonding. The construction method is simple, the operation is convenient, and the installation work efficiency is high.
4. Good aging resistance, and the normal service life can reach more than 50 years.
5. The pipeline has excellent corrosion resistance to inorganic acids, alkalis, and salts, and is suitable for industrial sewage discharge and transportation.
6. The pipe friction coefficient is small, the water flow is smooth, not easy to be blocked, and the maintenance workload is small.
7. The material has high oxygen index and self-extinguishing.
PE-RT floor heating pipe
PE-RT is heat-resistant polyethylene. It is a non-crosslinked polyethylene that can be used in hot water pipes. It is a medium-density polyethylene produced by a special molecular design and synthesis process. It uses ethylene The method of copolymerization with octene can improve the heat resistance of PE by controlling the number and distribution of side chains to obtain a unique molecular structure. PE-RT pipe has a creep failure curve that meets the product standard. It is the only type of polyethylene that can be used for hot water pipes without cross-linking at this stage. In addition, PE-RT has excellent low-temperature resistance, so it can be constructed in low-temperature conditions in winter. There is no need to preheat when bending the pipe, which can solve the economic loss caused by the low temperature in winter in northern my country and the inability to construct.
Features of PE-RT floor heating pipe
1. Light weight, easy to transport, install and construct.
2. It has good flexibility, making it convenient and economical to be laid. The pipes produced can be coiled and bent during construction to reduce the usage of pipe fittings and reduce construction costs.
3. When the pipe is bent, the stress in the bent part can be relaxed quickly, and there will be no “rebound” phenomenon, which is convenient for construction operation.
4. The friction loss in the pipe is small, and the fluid conveying capacity of this pipe is 30% larger than that of the metal pipe of the same pipe diameter.
5. Low embrittlement temperature. The pipe has excellent low-temperature resistance, so it can be constructed even at low temperatures in winter, and the pipe does not need to be preheated when it is bent.
6. Good chemical resistance, no rust, and long service life.
7. Good environmental adaptability.
8. It can be used safely for more than 50 years under the conditions of working temperature of 70℃ and pressure of 0.4MPA.
9. No toxic additives are added to the pipe during the production process. The inner wall is smooth, does not scale, does not breed bacteria, and can be safely used in drinking water transportation and other fields.
10. The impact resistance is 5 times that of PVC-U pipe.
11. Good heat and pressure resistance.
12. Green and environmentally friendly products, which can be recycled and reused.
Application field
1. Hot water and heating for apartments, residences, restaurants, schools, gymnasiums, commercial districts, hospitals, solar houses, baths, indoor swimming pools, etc.
2. PE-RT heat-resistant polyethylene pipe high-speed extrusion equipment
3. PE-RT heat-resistant polyethylene pipe high-speed extrusion complete set of equipment is the first complete set of equipment dedicated to the production of PE-RT pipes successfully developed by our company in China.
4. PE-RT pipes can be used for hot water pipes, geothermal pipes, solar hot water pipes, etc.
PPR pipe
PP-R pipe is also called three-type polypropylene pipe. It uses random copolymer polypropylene to be extruded into pipes and injection molded into pipe fittings. It is a new type of plastic pipe product developed and applied in Europe in the early 1990s. In the late 1980s, PP-R adopted a gas phase copolymerization process to make about 5% of PE randomly and uniformly polymerized in the molecular chain of PP (random copolymerization) to become a new generation of pipeline materials. It has good impact resistance and long-term creep performance.
Features of PPR pipe
In addition to the characteristics of general plastic pipes, such as light weight, corrosion resistance, non-scaling, and long service life, PP-R pipes also have the following main characteristics.
1. Non-toxic and hygienic. The raw material molecules of PP-R are only carbon and hydrogen elements, and there are no harmful and toxic elements. It is hygienic and reliable. It is not only used for cold and hot water pipelines, but also for pure drinking water systems.
2. Heat preservation and energy saving. The thermal conductivity of PP-R pipe is 0.21w/mk, which is only 1/200 of that of steel pipe.
3. Good heat resistance. The Vicat softening point of the PP-R pipe is 131.5℃, and the maximum working temperature can reach 95℃, which can meet the requirements of the hot water system in the building water supply and drainage code.
4. Long service life. The service life of PP-R pipe can reach more than 50 years under the conditions of working temperature of 70℃ and working pressure of 1.0MPa; service life of more than 100 years under normal temperature (20℃).
5. Easy installation and reliable connection. PP-R has good welding performance. The pipes and fittings can be connected by hot melt and electrofusion. The installation is convenient and the joints are reliable. The strength of the connection part is greater than the strength of the pipe body.
6. The materials can be recycled. The PP-R waste is cleaned and crushed and recycled for use in the production of pipes and fittings. The amount of recycled materials does not exceed 10% of the total amount, which does not affect product quality.