The advantages of using polyethylene handholes (HDPE) are as follows:

1. Lower installation and execution costs: HDPE handholes has lower installation and execution costs compared to other pipe connection methods. This leads to overall cost savings for the project.

2. Ease and speed of installation and execution: The process of installing and executing HDPE handholes is quick and easy. This feature results in time savings and reduces the number of required labor.

3. Compatibility with various sewage and drainage systems: HDPE handholes is compatible with various sewage and drainage systems. This means that it can be easily installed and used in existing systems.

4. Lightweight and easy installation: Due to its lightweight and easily installable structure, HDPE handholes is a suitable choice for projects that require quick and easy installation.

5. Long lifespan: HDPE handholes has a very long lifespan due to its high resistance to environmental factors and corrosion. Typically, the lifespan of HDPE handholes is at least 50 years, which is a significant advantage.

6. Low maintenance and repair costs: Due to its high resistance and long lifespan, HDPE handholes incurs lower costs associated with repairs and maintenance. This results in considerable cost savings over the system's lifespan.

7. No need for internal and external coatings: Unlike some other pipe connection methods, HDPE handholes does not require internal and external coatings. This not only reduces installation time and costs but also provides an advantage in terms of maintenance and repairs.

8. Impact resistance: HDPE handholes can withstand impacts caused by heavy traffic. This feature is particularly important in environments with heavy traffic and important roadways.

By utilizing HDPE handholes , one can benefit from the mentioned advantages and reduce the costs of repairs and maintenance, while also providing protection for the transmission system.

When do we use handholes ?

handholes is used in specific situations, including:

1. When connecting multiple branches to a main pipe: handholes is used as a suitable solution for connecting multiple branches to a main pipe. This application becomes more important in such cases.

2. When changing direction horizontally more than 30 degrees: When there is a need to change the direction of a pipe with a horizontal angle greater than 30 degrees, handholes is used as a suitable solution for making this directional change.

3. When the straight path of the pipe exceeds 22 meters: When the length of the straight path of the pipe exceeds 22 meters, handholes is used as a suitable solution to maintain the integrity and reduce the likelihood of failure and blockage in this path.

Additionally, handholes facilitates the discharge and removal of blockages if they occur in any part of the pipe. The use of handholes in creating access stations to different sections of water supply networks, sewage collection and transmission for inspection, natural ventilation, and maintenance and repairs remains important, and its applications continue to expand day by day.

What are the reasons for using HDPE handholes ?

- System preservation: By using HDPE handholes , sensitive parts of the transmission network, such as branches and directional changes, are protected against moisture, water, and impact, ensuring the overall health and performance of the system.

- Reduced failures and repairs: Due to its high resistance to abrasion, impact, and traffic-related effects, HDPE handholes reduces failures and the need for frequent repairs in the transmission system.

- Increased useful life: The use of HDPE handholes increases the useful life of the transmission system. These materials are resistant to corrosion and erosion and operate in the long term.

- Economic and efficient: HDPE handholes is highly cost-effective due to easy installation, low maintenance, and the absence of internal and external coatings.

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