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The 11.25° Double Socket Bends serve as critical directional control components within large-scale fluid transmission networks. Crafted with a dense, solid ductile iron core, these fittings feel remarkably heavy and structurally sound to the touch, reflecting their capacity to endure severe subterranean environments. The distinct 11.25-degree curvature provides engineers with the precise geometric flexibility needed to navigate complex topographies, avoiding obstacles without compromising the overall flow velocity. Whether buried deep within municipal soil, integrated into water plant reservoirs, or exposed in industrial sewage treatment facilities, the smooth, meticulously finished surfaces of these bends resist abrasive wear while maintaining consistent fluid momentum. They are indispensable for creating gradual, low-friction turns in extensive utility layouts.
Standard: ISO2531/EN545
Size: DN60-2600
Internal Lining: Cement, Epoxy Paint, FBE(Fushion Bonded Epoxy)
External Coating: Zinc Rich Bitumen, Epoxy Paint, FBE(Fushion Bonded Epoxy)
Application:
●Water Supply, Transmission and Distribution
● Water Plant and Sewage Treatment Reservoir Piping
● Sewage Collection and Disposal System
● Storm Water Drainage System
● Irrigation System
● Fire Fighting System
When evaluating components for critical fluid infrastructure, pressure tolerance and material longevity are paramount. These 11.25° bends are engineered to accommodate multiple working pressure ratings, specifically PN10, PN16, and PN25. This versatile pressure handling ensures reliable, leak-free operation across highly demanding applications, from deep-trench water transmission mains to high-pressure fire suppression grids. The thick, uniform walls absorb hydraulic shocks and resist deformation under extreme mechanical stress.
The physical composition of the fitting relies on an industrial-grade ductile iron matrix, which provides exceptional tensile strength. To combat the relentless threat of corrosion, the exterior is treated with a robust layer of zinc-rich bitumen, epoxy paint, or Fusion Bonded Epoxy (FBE). Running a hand along the exterior reveals a tough, slightly textured barrier designed to repel aggressive soil chemicals and moisture. Internally, the bends are lined with precisely applied cement, epoxy, or FBE. This internal lining creates an exceptionally slick, frictionless surface. It not only accelerates fluid movement but also prevents the accumulation of scale, sediment, and biological growth, significantly extending the operational lifespan of the entire pipeline.
Field installation efficiency directly impacts project timelines. The standardized double socket design of these 11.25-degree bends facilitates rapid, secure jointing. Construction crews can achieve tight, reliable seals with minimal physical exertion, as the sockets are dimensionally calibrated to accept standard spigot ends with exact clearance. This structural adaptability makes them an ideal match for expanding existing underground utility networks or executing complex new pipeline layouts. The straightforward connection mechanism reduces the reliance on heavy, specialized jointing equipment in confined trench spaces.
Hydrostatic Seal Verification: Every individual bend undergoes an exhaustive series of validation procedures before deployment. Our technicians subject the fittings to intensive hydrostatic pressure tests, simulating conditions far beyond standard operational loads to verify absolute seal integrity.
Dimensional Calibration: Precise laser-guided dimensional checks confirm that the 11.25-degree angle, socket depths, and wall thicknesses strictly adhere to ISO2531 and EN545 protocols.
Zero-Defect Guarantee: This uncompromising approach to quality control guarantees that engineers receive components free from casting defects or geometric inconsistencies, ensuring smooth site integration.
Successful project execution requires more than just physical components; it demands accurate technical data. We supply a complete suite of engineering documentation with every order. Procurement teams and site engineers receive detailed product datasheets, precise CAD-ready dimensional drawings, and comprehensive installation guidelines. These resources enable accurate fluid dynamic modeling, simplify site planning, and ensure that all installations meet strict municipal compliance and safety standards.
To protect the structural and surface integrity of the bends during extended global transit, we utilize highly specialized, heavy-duty packaging configurations. The dense ductile iron fittings are securely anchored within reinforced, impact-resistant wooden crates or custom pallets designed to withstand substantial vertical loads. Individual components are carefully separated by shock-absorbing protective barriers to eliminate any risk of metal-to-metal friction. This prevents scratching or chipping, ensuring that the vital internal linings and external anti-corrosion coatings remain completely unblemished upon delivery. This meticulous approach to logistics, combined with flexible lead times, guarantees that the components arrive at the installation site in pristine condition, ready for immediate and flawless deployment.
