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EN545 Joint Performance Requirements
Type testing is a series of comprehensive and rigorous tests conducted on one or a few representative samples to verify whether the product design fully meets the requirements of standards and technical specifications. According to EN545 standard requirements: At least one specification in each ...Read more -
What grade of ductile iron pipe is most suitable for your project?
According to the EN545 standard, the pressure testing ductile iron pipe shall be carried out on all fittings before the application of their external and internal coatings, except for the metallic zinc coating of pipes which may be applied before the test, No leakage or sweating should be detect...Read more -
How to Correctly Identify EN545 Ductile Iron Pipes and Fittings
According to EN545, the markings on ductile iron pipes and fittings should be clear, durable and include the following: DI pipe marking tape Pipe marking labels DS: Manufacturer’s Name or Trademark ISO2531: Implementation Standard Number (e.g., EN545) DN1000: Nominal Diameter C25: Pres...Read more -
Coating Options for EN545 Fittings
In the field of ductile iron pipe fittings, asphalt coating, polyurethane/polyethylene (PU/PE) coating and fusion bonded epoxy powder (FBE) coating are three representative anti-corrosion technologies, which are suitable for different environments and working conditions. 1. Zinc-rich primer, asph...Read more -
EN545: Internal Corrosion Protection of Ductile Iron Pipes
In modern urban life, the sanitation and environmental protection requirements of urban water supply must be taken into consideration. To prevent rust from contaminating tap water and to protect the pipes from corrosion from within, the inner wall of the pipes must be coated with an internal coat...Read more -
EN545 Ductile Iron Pipe Coating
Before spraying, the surface of ductile iron pipes must be dry and free of rust, attached particles, oil, and other foreign matter. Unlike SML pipes, ductile iron pipes do not require sandblasting pretreatment due to the inherent properties of the material. Ductile iron pipes, through a spheroidi...Read more -
EN545 Standard: Ductile Iron Socket and Spigot Pipe & Socket Dimensions
1. Ductile Iron Sliding Flexible Joint The most common joint type for ductile iron pipe, the T-joint relies on contact pressure between the rubber ring and the socket and spigot (partially generated by pre-compression during installation) to create a seal against fluids. The socket design takes ...Read more -
EN545 Standard: Fasteners, Coatings & Seals
EN545 is a key European standard for “ductile iron pipes, fittings, accessories, and joints for water supply.” It ensures the safety, reliability, and durability of drinking water distribution systems. A thorough understanding of this standard is crucial for professionals involved in ...Read more -
Comparative Tensile Testing of Ductile Iron Pipe and SML Pipes According to EN10002-1
Tensile testing of metal materials is a core method for evaluating their mechanical properties and is of great significance. By measuring parameters such as tensile strength, yield strength, and elongation, it quantifies the material’s load-bearing capacity and plastic deformation character...Read more -
EN4016: A Guide to Fasteners for Ductile Iron Pipe Systems
In ductile iron pressure piping systems, fasteners (such as bolts, nuts, and gaskets), though small, are critical components for ensuring the tightness, structural integrity, and safe operation of pipe connections. EN4016, “Ductile iron pipes, fittings, and accessories – Drinking wate...Read more -
Mechanics of a Secure Connection: Understanding EN545 Detachable Joints
Detachable joints play a crucial role in the installation and maintenance of ductile iron pipes. They provide a flexible and reliable connection solution, particularly when connecting ductile iron pipe (DIP) to other materials, such as steel pipe, PVC pipe, valves, or fire hydrants. Detachable jo...Read more -
Advancing EN545 Standard Expertise
In previous articles, we explored the basic concepts, material properties, and core advantages of EN545 standard ductile iron pipe in the water industry. This article will delve into more specific and critical technical aspects, including ovality control in the manufacturing process, the product ...Read more
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