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EN1092-2: Safe and Compliant European Flange Connections
In modern industrial piping systems, the safety and reliability of flange connections are crucial. EN1092-2, developed by the European Committee for Standardization (CEN), is the core technical specification for ensuring the quality and compatibility of cast iron flange connections. This article ...Read more -
The Bolt Secret: How Gasket Pressure Relies on Bolt Count
Ductile iron pipes, due to their high strength, toughness, and corrosion resistance, have become the workhorse of fluid transportation in numerous fields, including municipal water supply, industrial water distribution, and fire protection systems. The key to connecting these pipes into a reliabl...Read more -
Differences in Cement Linings for Ductile Iron Pipes EN197-1
Ductile iron pipes are widely used in water pipelines due to their high strength, toughness, and excellent durability. To prevent internal corrosion and ensure water quality, they are typically lined with cement mortar (CML). The type of cement used in these linings is crucial, depending on the a...Read more -
EN196-1 Determination of Compressive Strength of Cement
The cement-mortar linings for ductile iron pipes is primarily used to prevent corrosion and scaling on the inner wall of the pipe, ensure water quality, and reduce hydraulic friction losses. However, the core European standard EN196-1 specifies the method for determining the strength of cement mo...Read more -
Adherence to ISO2531: The DINSEN Standard for Ductile Iron Pipe Quality
At the heart of infrastructure and fluid transportation systems, every section of ductile iron pipeline carries not only water and gas, but also the pulse of urban development and the well-being of citizens. Here, quality is more than just empty talk; it’s a belief and commitment woven into...Read more -
How to Cut Cast Iron Pipe with a Pipe Cutter?
Have you ever struggled with cutting cast iron pipe during pipeline construction, municipal projects, or renovations of older residential communities? Traditional cutting methods—hammering, chiseling, and grinding with angle grinders—are not only inefficient and labor-intensive, but also produce ...Read more -
AWWA C153/C110 Ductile Iron Pipe, Born for the Mission of Every Drop of Water
Water is the lifeblood of a city. Whether it’s the clear springs that nourish the people or the drainage of stormwater and floodwater, the pipeline network that carries them is like the city’s “blood vessels” and “veins.” Its safety, reliability, and durability...Read more -
What Is the Production Process of Stainless Steel Press Fittings?
Stainless steel press fittings, known for their hygienic, corrosion-resistant, high-strength, long lifespan, quick installation, and reliable sealing, are widely used in water supply, gas supply, and other industrial applications. Their quality directly determines the safety and lifespan of the e...Read more -
What is the difference between PU and cement lined ductile iron pipe?
Ductile iron pipes lined with PU and cement mortar are two common types of corrosion linings, differing primarily in their lining materials, performance characteristics, and application scenarios. Both serve a core purpose: protecting the pipe from corrosion from the media being transported and e...Read more -
How are Ductile Iron Pipes Packaged for Protection and Loading?
DINSEN tailors scientific packaging and efficient loading solutions for ductile iron pipes of different specifications to ensure your DI fittings arrive safely and on time, maximizing your transportation efficiency! · Ductile iron pipes DN250 and below: Sturdy wooden crates protect the pipe core!...Read more -
How to do Water Tightness Test for Ductile Iron Coupler |EN877:2021
The primary purpose of a Ductile iron coupler water tightness test is to verify leakage under specified pressure and ensure its sealing performance meets operational requirements. This prevents the transported liquid or gas from leaking out of the piping system. This water tightness test not only...Read more -
How to do Water Tightness Test for Fittings with Access or Door |EN877:2021
This test shall be carried out at ambient temperature on coated products on at least one DN by type of SML fitting and by group of DN defined in Table 9. The test assembly shall be capable of providing water tightness and lateral restraint on each end of the fitting for the required internal hyd...Read more
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