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EN 877 Evolution & Lightweight Cast Iron Drainage Systems: A Technical Guide for Buyers
EN 877 is the core European standard for cast iron drainage systems in buildings, and its 2010 revision introduced tighter quality controls that international buyers should understand before ordering. What changed in EN 877:2010. Wall thickness must be measured with ball-ended calipers at a minim...Read more -
DINSEN Ductile Starts at Source, Gray Iron Proven in the Lab
Two materials, two strategies — both audit-ready. Ductile pipes and fittings (EN 545 / EN 598) live or die by the melt, so we control from the source: Q10/Q12 pig iron and nodularizing cored wire are segregated at the yard, each batch matched to a mill certificate (S ≤ 0.05%, P ≤ 0.08%). Incoming...Read more -
Ductile Iron Pipe vs Cast Iron Pipe: 6 Key Differences and How to Choose
Ductile iron is strong, bendable and built for pressurized lines; cast iron is rigid, economical and built for gravity drainage. Pick based on pressure, not price. Both pipes are iron-carbon alloys and, from a distance, look identical — yet they are engineered for different jobs. Ductile iron res...Read more -
SML Pipe vs Hubless Cast Iron Pipe: The Complete Comparison Guide
What Is an SML Pipe? SML is the European designation for a socketless, plain-ended grey cast iron drainage pipe produced to EN877. The letters stand for the German classification of the mechanical joint system (Steck–Muffen–Lose / socketless mechanical, loose coupling). The pipe itself has no bel...Read more -
EN877 Cast Iron Pipe: The Complete Technical & Buying Guide
1. EN877:2021 Standard Overview EN877:2021 is the European standard for cast iron pipes and fittings used in drainage, sewerage, and rainwater systems. It is widely applied in building drainage, municipal engineering, and industrial sectors. The standard covers nominal diameters from DN40 to DN30...Read more -
DINSEN EN877 CI Pipes for Building Drainage
The Challenge: Material Selection in Modern Building Drainage When designing building drainage systems with EN877 cast iron, engineers face a key decision. Which pipe material best balances fire safety, noise control, durability, and flow capacity? This decision has become more complex as buildin...Read more -
How Will Replacing Cast Iron Pipes with PVC Change the Water Supply System?
Replacing an old cast iron pipe with PVC may seem like a cost-effective upgrade, but in reality, it often degrades a water supply system from a “century‑old infrastructure” into a “temporary plastic solution.” When a cast iron pipe replacement project chooses PVC over ductile iron, the water supp...Read more -
What Is EN877 SML Cast Iron Drainage Pipe System?
Cast iron pipes are manufactured by centrifuqal castinq process and pipe fittings by sand casting process. Our products quality is fully in accordance with the European Standard EN877, DIN19522 and other standards. EN 877 is the product standard for cast iron drainage pipe systems DN 40 up to DN ...Read more -
Why Choose Epoxy Cast Iron Pipe Compliant with CSA B70?
The CSA B70 standard is a core Canadian national standard for Cast iron pipes, fittings, and means of joining. It specifies technical requirements for no-hub cast iron pipes, including dimensions, wall thickness, mechanical properties, and epoxy coating quality. Why Choose Epoxy Cast Iron Pipe Co...Read more -
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
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