How to Choose Epoxy Lined Ductile Iron Pipe: A Comprehensive Guide

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How to Choose Epoxy Lined Ductile Iron Pipe: A Comprehensive Guide.

Epoxy lined ductile iron pipe is designed to convey water under pressure in a wide range of applications. It is a reliable and cost-effective solution for water distribution systems. When it comes to choosing the right epoxy lined ductile iron pipeepoxy lined ductile iron pipe, there are several factors to consider. In this article, we’ll provide a comprehensive guide to help you make an informed decision.

1. Pipe Diameter.

The first factor to consider when choosing epoxy lined ductile iron pipe is the diameter of the pipe. The diameter of the pipe will depend on the flow rate of water and the pressure that is required for the system. In general, larger pipes are required for higher flow rates and higher pressures.

2. Material.

Epoxy lined ductile iron pipe is made from ductile iron, which is known for its superior strength and durability. Ductile iron is a form of cast iron that has been treated with magnesium to give it ductility and toughness. The epoxy lining on the inside of the pipe provides additional protection against corrosion and prevents build-up of deposits.

3. Pressure Class.

Pressure class is a measure of the maximum pressure that the pipe can withstand. It is important to choose a pipe with the appropriate pressure class for the application. The pressure class is usually indicated on the pipe, and it is important to ensure that the pressure class meets the requirements of the system.

4. Coatings and Linings.

Epoxy lined ductile iron pipe is coated on the exterior with a protective coating to prevent corrosion. The coating can be a fusion-bonded epoxy (FBE) coating or a polyethylene (PE) coating. The lining on the interior of the pipe is typically an epoxy lining, which provides additional protection against corrosion and prevents build-up of deposits.

5. Joint Type.

The joint type is an important factor to consider when choosing epoxy lined ductile iron pipe. The three most common joint types are mechanical joints, push-on joints, and restrained joints. Mechanical joints are used when there is a need for flexibility in the pipeline. Push-on joints are used when there is a need for a quick and easy installation. Restrained joints are used when there is a need for additional stability and security.

6. Standards Compliance.

Epoxy lined ductile iron pipe must comply with industry standards to ensure that it meets the requirements of the system. The most common standards for epoxy lined ductile iron pipe are the American Water Works Association (AWWA) standards and the International Organization for Standardization (ISO) standards. It is important to ensure that the pipe selected complies with the relevant standards.

Conclusion.

Choosing the right epoxy lined ductile iron pipe is essential for the success of any water distribution system. By considering the diameter of the pipe, the material, the pressure class, coatings and linings, joint type, and standards compliance, you can make an informed decision that will ensure the long-term reliability and cost-effectiveness of the system.

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