BML Cast Iron Drainage System
According to EN 877 | European Technical Cooperation | Since 2004
Overview
The BML drainage system is manufactured according to EN 877 and designed for applications requiring high durability and reliable drainage, such as bridges and tunnels.
Since 2004, it has been continuously developed through technical cooperation with European manufacturers, ensuring stable processes and consistent product quality.
Technical Data
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Parameter
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Specification
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Standard
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EN 877
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Diameter Range
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DN50–DN600
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Pipe Length
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3 m (others on request)
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Material
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Grey cast iron (ISO 185)
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Internal Coating
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Epoxy 120 μm
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External Coating
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Thermal zinc 40 μm + Epoxy 80 μm
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Certification
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TüV, CE, Watermark
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Certified & Compliant
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Fully compliant with EN 877
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TüV certified
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Manufactured under controlled quality systems
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Designed for long-term durability and operational reliability
Coating System
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External coating: Thermal zinc base layer (~40 μm) + Epoxy top layer (~80 μm)
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Internal coating: Epoxy coating (~120 μm)
?? Duplex protection system for maximum corrosion resistance
Performance Characteristics
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Hot water resistance: 24 h at 95°C
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Thermal cycling: 1500 cycles (15°C ? 93°C)
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Chemical resistance: pH 2–12
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Salt spray resistance: >350 h
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Reaction to fire: Euroclass A1 (non-combustible)
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Fire resistance: up to 240 minutes (depending on installation)
Applications
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Suitable for many bridge and tunnel designs
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Adapted to renovation projects as well as large-scale new builds
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Ensures reliable drainage and safe road operation
Technical documentation and test reports available on request ?