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How Ductile Iron Pipe Fittings Are Made
By Vincent, Quality Engineer | DINSEN How are ductile iron pipe fittings made? In most foundries, the answer involves two steps: casting the fitting body, then machining a sealing groove into each flange face. DINSEN takes a different route. Our ductile iron pipe fittings are produced with cast-i...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 -
Ductile vs Malleable Iron: Corrosion & Coating Comparison
Selecting the right material for piping systems is a critical decision that impacts long-term durability, maintenance costs, and overall system integrity. Among the most common choices are malleable iron and ductile iron fittings. While both are ferrous metals, they differ significantly in micros...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 -
Why Choose DINSEN Ductile Iron Pipe?
When you build infrastructure, you need materials you can trust. Pipes must handle tough conditions like freezing cold, scorching heat, heavy traffic, and shifting soil. Among all the options available today, DINSEN EN545 pipe stands out as a top choice for engineers and project managers around t...Read more -
What Is Ductile Iron Pipe Lined With? A Complete Guide
When you choose a ductile iron pipe, one key question is: What is inside it? The internal lining protects the pipe from corrosion, keeps water clean, and ensures a long service life. Different linings suit different jobs. Below are the most common types of internal coatings for ductile iron pipes...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 -
How to Repair a Ductile Iron Pipe
Ductile iron pipe is widely used in water supply and sewage systems because of its strength, durability, and corrosion resistance. However, like any material, it can develop leaks due to ground movement, pressure surges, or joint failure. Knowing how to repair a ductile iron pipe quickly and effe...Read more -
How Much does Ductile Iron Pipe Weigh
In water supply and drainage engineering, municipal pipe networks, and industrial pipeline systems, ductile iron pipe has become an ideal substitute for traditional cast iron and steel pipes due to its excellent mechanical properties and corrosion resistance. Understanding the key technical param...Read more -
Which Stainless Steel Won’t Rust? DINSEN Specializes in 304, 316L & Custom
When selecting stainless steel hose clamps, the grade difference between 201, 430, 304, and 316L directly impacts corrosion resistance, strength, and application life. 201 Stainless Steel – Lower cost but prone to rust in humid or salty environments. Suitable for indoor, dry, or temporary applic...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
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