PN10 PN16 Double Loose 11.25° Bend

Product Overview

Engineered for exacting fluid redirection, the PN10 PN16 Double Loose 11.25° Bend serves as a pivotal component for complex piping architectures. By replacing cumbersome traditional metal fittings with a high-strength UPVC core, this component delivers exceptional mechanical resilience while drastically reducing physical weight. Every unit undergoes a rigorous 100% hydrostatic test and dimensional calibration prior to dispatch, guaranteeing absolute structural stability under extreme operational loads. The integration of an innovative rotating flange mechanism directly addresses the logistical challenges of deep-trench installations, ensuring rapid, precise alignment.

• Connection Method: Double Loose Flange
• Bend Angle: 11.25°
• Pressure Rating: PN10 / PN16
• Coating: Fusion Bonded Epoxy (FBE)
• Compliance: ISO2531 / EN545

Product Description

The PN10 PN16 Double Loose 11.25° Bend fundamentally transforms how procurement and engineering teams approach subtle directional shifts in critical fluid transmission networks. Running a hand along the exterior, the Fusion Bonded Epoxy (FBE) coating presents a flawlessly smooth, glass-like tactile finish. This is not merely an aesthetic touch; the dense, non-porous epoxy layer acts as an impenetrable shield against abrasive media, aggressive soil chemistry, and moisture, making the fitting exceptionally suited for direct underground burial without the need for secondary protective wrapping. Designed specifically for complex piping networks that demand subtle directional shifts, the precise 11.25-degree curvature ensures that fluid momentum is maintained while minimizing disruptive turbulence and internal pressure drops.

At the heart of its operational value is the dual loose flange architecture. In subterranean environments where space is severely restricted, maneuvering rigid, fixed-flange pipe segments to align bolt holes is a notoriously grueling task. This fitting eliminates that physical strain. The independently rotating flanges allow field crews to spin the connection points freely, securing a perfect match in seconds rather than hours. This mechanical advantage directly translates to accelerated project timelines, minimized labor expenditures, and reduced physical fatigue for on-site personnel. By maintaining the fluid's kinetic momentum through its precise 11.25-degree curvature, the bend prevents disruptive turbulence, ensuring that large-scale infrastructure projects operate with maximum hydraulic efficiency and zero-leakage reliability.

Product Specifications

Strict adherence to dimensional tolerances and material benchmarks ensures this fitting integrates flawlessly into your established pipeline infrastructure. The following tables outline the comprehensive technical parameters, material compositions, and exact dimensional data for the Double Loose Flange 11.25° Bend, confirming its readiness for demanding deployment.

Key Features & Highlights

Designed from the ground up to eliminate persistent bottlenecks in pipeline construction and routine maintenance, this specialized bend delivers measurable enhancements to project execution speed, resource management, and overall network durability.

Effortless Alignment Mechanism

The defining characteristic of the double loose flange design is its ability to rotate independently of the main pipe body. This eliminates the arduous requirement of manually twisting heavy, unwieldy pipe sections to achieve bolt-hole alignment, fundamentally changing the dynamics of trench work.

• Achieves precise alignment in seconds, drastically cutting down installation time in confined, awkward, or deeply excavated trench spaces.
• Significantly lowers the physical strain on field crews, minimizing fatigue and mitigating associated on-site safety hazards.
• Enables rapid, non-destructive disassembly for routine system flushing, internal inspections, or emergency interventions without severing the primary line.

Uncompromising Structural Integrity

By utilizing a premium UPVC inner core, this fitting strikes an optimal balance between exceptional mechanical strength and crucial weight reduction. It serves as a highly effective, modern alternative to traditional, heavy metallic counterparts, offering superior handling without sacrificing pressure resilience.

• Delivers absolute resistance to internal abrasion caused by particulate-heavy fluids, raw sewage, and untreated wastewater.
• Maintains rigid dimensional stability and flawless performance across a wide operational temperature gradient from 0°C to 50°C.
• Completely eliminates the risk of galvanic corrosion, providing a highly cost-effective and enduring solution for aggressive soil environments.

Optimized Flow Dynamics

The internal geometry features a precisely calibrated 11.25-degree curvature, engineered specifically to guide water and industrial fluids with the absolute minimum of frictional resistance. This smooth directional transition is vital for preserving kinetic energy across extensive transmission distances.

• Effectively eliminates localized pressure spikes, stagnant dead zones, and destructive cavitation within the pipeline architecture.
• Reduces the hydraulic resistance, thereby lowering the energy load on municipal pumping stations and decreasing overall electrical consumption.
• Guarantees a consistent, highly predictable volumetric flow rate from the source to the final destination point.

Engineering Dimensions & Performance Metrics

Material & Coating Technology

The foundation of this fitting's longevity lies in its advanced material composition, pairing a high-yield UPVC core with comprehensive internal and external Fusion Bonded Epoxy (FBE) coatings. This synergistic combination delivers unparalleled defense against continuous water erosion, aggressive chemical corrosion, and abrasive mechanical wear. The FBE application process creates a flawless, non-porous barrier that entirely seals the underlying material from destructive soil moisture and subterranean contaminants. Because of this impenetrable finish, the fitting is perfectly adapted for direct underground burial, negating the need for supplementary protective sleeves or cathodic protection systems. Ultimately, this resilient material profile significantly extends the operational lifecycle of the entire piping network, ensuring decades of reliable service.

Design & Installation Flexibility

Engineered specifically to address the logistical hurdles of high-frequency maintenance environments, the double loose flange architecture introduces unprecedented flexibility into pipeline construction. Installation crews can effortlessly achieve precise bolt-hole alignment, even when navigating cramped, uneven, or complex trench layouts where maneuvering rigid pipes is nearly impossible. Beyond the initial setup, this intelligent design pays dividends during the system's operational life. It permits rapid, targeted dismantling of specific pipeline sections without the need to cut or permanently alter the main conduit. This capability drastically reduces system downtime and slashes labor costs during essential cleaning cycles, scheduled repairs, or capacity upgrades, ensuring the network remains operational with minimal disruption.

Fluid Dynamics & System Efficiency

The meticulously machined 11.25° low-angle bend is purposefully crafted for fluid systems that require gradual, controlled directional shifts rather than sharp turns. This highly precise internal geometry plays a critical role in mitigating water resistance and dampening chaotic turbulence as the media passes through the joint. By smoothing the flow path, the fitting actively minimizes internal pressure loss (head loss) across the broader network. This reduction in hydraulic friction not only prevents the formation of damaging cavitation bubbles but also directly translates to lower energy demands on system pumps. Consequently, it guarantees the highly efficient, stable, and cost-effective operation of long-distance fluid transmission systems over their entire lifespan.

Sealing Performance & Pressure Safety

Achieving a secure, leak-proof environment is paramount in pressurized fluid networks. When the flange bolts are appropriately torqued, the loose flanges distribute compressive forces uniformly across the industrial-grade EPDM or NBR sealing gaskets. This even distribution prevents gasket pinching or distortion, forging an impenetrable joint that can withstand severe internal forces. Strictly adhering to PN10 and PN16 medium-to-high pressure ratings, this component is rigorously tested to ensure absolute safety and 100% zero-leakage performance. Whether deployed in fluctuating industrial water treatment facilities or demanding emergency fire suppression networks where pressure spikes are common, this fitting maintains its structural and sealing integrity without compromise.

Global Standards & Compatibility

To ensure universal application and flawless integration, this product is manufactured in strict accordance with the globally recognized ISO2531 and EN545 benchmarks for flange-connected fittings. This rigorous adherence to international standards guarantees absolute dimensional consistency, meaning every piece delivered matches the exact specifications required by your engineering team. This universal compatibility empowers procurement departments to confidently source this fitting for integration with existing flanged systems, regardless of the primary piping material—be it ductile iron, steel, or PVC. By standardizing connections, facility managers can effectively streamline their inventory, reduce the variety of spare parts needed, and significantly minimize ongoing replacement expenditures.

Application Versatility

Driven by its exceptional mechanical durability, advanced anti-corrosive properties, and a design that inherently favors rapid maintenance, this 11.25-degree bend stands as the ideal solution for a multitude of rigorous engineering applications. It performs flawlessly in continuous industrial water conveyance systems, where chemical resistance is critical. In municipal sewage collection and wastewater treatment plants, its smooth interior prevents the buildup of solid waste. Furthermore, its formidable pressure tolerance makes it a dependable choice for high-pressure fire protection grids, while its resistance to environmental degradation ensures long-term reliability in expansive, exposed outdoor municipal irrigation architectures.