High-density polyethylene (HDPE) pipes are widely used in many industries due to their excellent physical properties and chemical stability, especially in urban infrastructure, agricultural irrigation, industrial transportation, and other fields. As a common specification, 2 inch sdr 11 hdpe pipe specifications has become one of the preferred materials in many pipeline systems due to its moderate pressure bearing capacity, corrosion resistance, and installation convenience. This article will introduce 2 SDR 11 hdpe pipe specifications, characteristics, application areas and advantages in detail.

2 sdr 11 hdpe pipe specifications
SDR (Standard Dimension Ratio) is an important parameter commonly used in pipeline design, which indicates the proportional relationship between the outer diameter and wall thickness of the pipe. Specifically, the smaller the SDR value, the thicker the wall thickness of the pipe and the stronger the pressure bearing capacity. The larger the SDR value, the thinner the wall thickness of the pipe relative to the outer diameter, which is suitable for low-pressure systems.
Under the SDR11 specification, the ratio of the outer diameter of the pipe to the wall thickness is 11, that is:
SDR=Dt=11SDR = \frac{D}{t} = 11SDR=tD=11
For a 2-inch SDR11 HDPE pipe, 2 inches equals about 50.8 mm, so the outer diameter of the pipe is 50.8 mm, and the wall thickness is about 4.6 mm (50.8/11) calculated according to SDR11. This means that SDR11 pipe is suitable for medium pressure transmission applications.

Basic parameters of 2-inch SDR11 HDPE pipe:
1. Pipe outer diameter: The outer diameter of 2inch HDPE pipeis 50.8 mm.
2. Wall thickness: According to the definition of SDR11, the wall thickness is about 4.6 mm.
3. Working pressure: The working pressure of SDR11 pipe is usually 10 bar (10 atmospheres), which is suitable for water, gas and liquid transportation under medium pressure.
4. Pipe length: HDPE pipe is usually produced in standard lengths of 6 meters or 12 meters for easy transportation and installation.

Features
2-inch sdr 11 hdpe pipe has a series of excellent physical and chemical properties, which makes it perform well in many different environments.
1. Corrosion resistance: HDPE material has very good corrosion resistance and can effectively resist the erosion of various chemicals such as acids, alkalis, salts, oils, etc., so it is widely used in chemical industry, sewage treatment and other fields.
2. Wear resistance: Since the surface of HDPE pipes is smooth, the fluid resistance is low, and the pipes themselves have strong wear resistance, they can effectively resist the wear of granular materials such as mortar and mud.
3. Impact resistance: HDPE pipes have high toughness and are not easy to break under low temperature or external force impact, and can be used for a long time in harsh environments.
4. Lightness: HDPE pipes have a low density and are lighter than other metal pipes, making them easy to transport and install, and no complex equipment and tools are required for installation.
5. Anti-ultraviolet performance: HDPE pipes are usually added with anti-ultraviolet additives, which can be exposed to the sun for a long time without degradation, and are suitable for laying outdoor pipes.
6. Low temperature resistance: HDPE materials have strong low temperature resistance and can be used in cold areas. The lowest temperature they can usually withstand is -40℃.

Application fields of 2-inch sdr 11 hdpe pipe
2-inch sdr 11 hdpe pipe is widely used in many industries and fields due to its moderate wall thickness and pressure bearing capacity. The following are some typical application scenarios:
Urban water supply system
In urban water supply systems, 2-inch sdr 11 hdpe pipe is often used in small and medium-sized water supply networks, especially for water supply systems in residential areas, small commercial areas or the periphery of cities. Due to the corrosion resistance and UV resistance of HDPE pipes, the clean water quality and the long-term stable operation of the pipeline system can be guaranteed. The connection method of HDPE pipes mostly adopts hot melt welding, which ensures the firmness and sealing of the connection points and reduces the risk of water leakage.
Agricultural irrigation
2-inch sdr 11 hdpe pipe is widely used in the field of agricultural irrigation, especially for medium-flow irrigation systems. Due to the corrosion resistance and low water flow resistance of HDPE pipes, it can provide efficient water flow delivery. In addition, HDPE pipes can resist ultraviolet radiation, are suitable for long-term exposure to sunlight, are not easy to age, and are very suitable for the irrigation needs of farmland and orchards.
Industrial liquid transportation
In the chemical, petroleum, food processing and other industries, it is often used to transport various liquids, including chemicals, drinking water, sewage, industrial wastewater, etc. Its excellent corrosion resistance makes it an ideal liquid transportation pipeline. Especially in some highly corrosive chemical media or sewage treatment, HDPE pipes can greatly extend the service life of the pipeline system and reduce the frequency of maintenance and replacement.
Natural gas and gas transportation
2 inch sdr 11 hdpe pipe is also widely used in the transportation of natural gas, compressed air and other gases. SDR11 specification pipes can withstand high working pressures to ensure safety during gas transportation. HDPE materials are not easily corroded by gases, and have strong wear resistance and impact resistance, and can work stably underground or in exposed environments.
Drainage system
Suitable for small drainage systems in residential and industrial areas, which can effectively drain rainwater, sewage or wastewater. Due to its corrosion resistance and wear resistance, this pipe can work stably for a long time and maintain good flow performance.

Advantages of 2 inch sdr 11 hdpe pipe
1. Strong durability: HDPE pipes have a long service life, usually more than 50 years, and are not susceptible to corrosion and wear in most environments.
2. Easy installation: HDPE pipes are light, easy to carry and operate during installation, and are connected by hot melt welding and other methods, which simplifies the construction process.
3. Good environmental protection: HDPE is a recyclable material that meets modern environmental protection requirements. The use of HDPE pipes can not only reduce pollution to the environment, but also effectively save resources.
4. Strong economy: Compared with other traditional pipes (such as steel pipes, cast iron pipes, etc.), HDPE pipes have lower costs and less maintenance costs, and have a higher cost-effectiveness.
2 inch sdr 11 hdpe pipe is widely used in water supply, drainage, natural gas transportation, agricultural irrigation and other fields with its moderate pressure bearing capacity, corrosion resistance, impact resistance and installation convenience. With the advancement of science and technology and the increasing market demand for efficient, environmentally friendly and economical pipeline systems, the application prospects of this pipeline will become broader and broader, and it will become an indispensable and important material in modern infrastructure construction.