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What is EN13501-1:2018 (DS SML PIPE A1)
EN13501-1:2018 is one of the most important European standards for the classification of fire performance of construction products. Its full name is: EN 13501-1:2018 Fire classification of construction products and building elements – Part 1: Classification using data from reaction to fire ...Read more -
How to do Cast Iron Pipe Hardness Test
DINSEN Cast iron pipes serve as critical infrastructure for conveying fluids such as water and gas. Their performance directly impacts the safety and lifespan of engineering projects. Hardness and tensile strength are core indicators for measuring their quality, and rigorous experimental testing ...Read more -
How to Choose Ductile Iron Pipe According to Its Advantages
APPLICATIONS OF DUCTILE IRON PIPES are utilized in a broad range of applications, owing to their robustness and flexibility: . Water Supply and Distribution: Their excellent pressure and impact resistance makes them ideal for water mains,distribution lines, and pumping stations. . Sewer and Wast...Read more -
The Difference between A1 and A2 Coatings of Cast Iron Pipe
In cast iron pipe coating standards of A1 and A2 levels in the relevant fire protection levels, which can be used to evaluate the fire resistance of building materials such as paint. The differences between A1 and A2 paints are as follows: Different test standards A1 paint: must pass both non-fl...Read more -
Why Coastal Cities Choose Cast Iron Drainage Pipes
In coastal cities and high-humidity areas, the durability of the drainage system is directly related to the safety and operation and maintenance costs of urban infrastructure. Typical coastal cities such as Hong Kong and Singapore face erosion from high-salt air and humid climate all year round. ...Read more -
Cast Iron Pipe colors and Special Requirements of Markets
The color of cast iron pipes is usually related to their use, anti-corrosion treatment or industry standards. Different countries and industries may have specific requirements for colors to ensure safety, corrosion resistance or easy identification. The following is a detailed classification: 1. ...Read more -
DINSEN Ductile Iron Pipe Grade 1 Spheroidization Rate
In modern industry, ductile iron pipes are widely used in water supply, drainage, gas transmission and many other fields due to their excellent performance. To deeply understand the performance of ductile iron pipes, the metallographic diagram of ductile iron pipes plays a vital role. Today, we w...Read more -
Differences Between EN877:2021 and EN877:2006
The EN877 standard specifies the performance requirements of cast iron pipes, fittings and their connectors used in gravity drainage systems in buildings. EN877:2021 is the latest version of the standard, replacing the previous EN877:2006 version. The main differences between the two versions in ...Read more -
The acid-base Test of DINSEN Cast Iron Pipe
The acid-base test of DINSEN cast iron pipe (also called SML pipe) is often used to evaluate its corrosion resistance, especially in acidic and alkaline environments. Cast iron drainage pipes are widely used in water supply, drainage and industrial piping systems due to their excellent mechanical...Read more -
DINSEN Cast Iron Pipes Complete 1500 Hot and Cold Water Cycles
Experimental purpose: Study the thermal expansion and contraction effect of cast iron pipes in hot and cold water circulation. Evaluate the durability and sealing performance of cast iron pipes under temperature changes. Analyze the effect of hot and cold water circulation on internal corrosion a...Read more -
What are cast iron fittings used for?
Cast iron pipe fittings play an indispensable role in various construction projects, municipal facilities and industrial projects. With its unique material properties, many advantages and wide range of uses, it has become the preferred pipe fitting material for many projects. Today, let’s t...Read more -
Corrosion Resistance of Cast Iron Pipes and the Outstanding Performance of DINSEN Cast Iron Pipes
As an important pipe material, cast iron pipes play a key role in many fields. Among them, corrosion resistance is a major outstanding advantage of cast iron pipes. 1. The importance of corrosion resistance of cast iron pipes In various complex environments, the corrosion resistance of pipes is c...Read more