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Why ‘Mini Compliance’ Design Is Costing Developers Dearly in High-Rise Residential Projects
In today’s high-rise residential projects, a long-overlooked risk is quietly escalating — vertical drainage systems are under far greater pressure than many designs ever anticipated. Apartment densities are increasing. The probability of simultaneous use of washing machines, dishwashers, showers,...Read more -
Can I Buy Eco-friendly Water Pipe Materials from Factory?
As environmental awareness grows, more homeowners and contractors are asking: ”Can I buy eco-friendly water pipe materials from factory?” The answer is a resounding yes. Today, leading home improvement chains and specialty plumbing suppliers stock a wide range of sustainable piping op...Read more -
Differences between Non-Rising and Rising Stem Resilient Seated Gate Valve
In industrial piping systems, gate valves are widely used shut-off valves, favored by engineers for their low fluid resistance and unrestricted media flow. However, many purchasing and installation personnel often face a core dilemma when selecting a gate valve: what are the differences between r...Read more -
DINSEN’s QSML Series
To meet the needs of DINSEN’s customers in the CIS, higher requirements have been placed on the performance and environmental adaptability of its piping products. At the beginning of 2026, DINSEN officially launched the new QSML series of piping products, aiming to provide specialized solut...Read more -
Explore DINSEN’s Full Range of Infrastructure Piping System Solutions
From the clean tap water we drink every day to the smooth discharge of rainwater and sewage, and the fire protection systems that safeguard lives and property, every pipe and every connector is a cornerstone of urban safety and vitality. As a reliable partner in the infrastructure sector, DINSEN ...Read more -
What is the difference between hub and no hub cast iron pipe?
When planning building drainage, sewage, or ventilation systems, cast iron pipes are the preferred material due to their superior durability, sound insulation, and fire resistance. However, when you begin sourcing, you’ll soon encounter two key terms: cast iron pipe hub and hubless cast iro...Read more -
What is the Difference between Cast Iron Pipe and Ductile Iron Pipe?
In building water supply and drainage, and in municipal engineering, cast iron pipes are highly favored for their durability, corrosion resistance, and noise reduction. However, when faced with the two European standards, EN545 and EN877, many engineers, procurement personnel, and designers may b...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 -
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 -
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 -
How to do Adhesion Testing and Water Circulation Testing |EN877:2021
Cast iron pipes undergo adhesion testing and hot and cold water cycling tests in accordance with EN877, primarily to assess the long-term reliability and durability of their anti-corrosion coating systems, particularly under actual operating conditions. These tests typically target coatings appli...Read more
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