Malleable iron bracket elbow

  Datasheet (PDF)

The Georg Fischer malleable cast iron bracket elbow galvanized 471 provides a rigid, surface-mountable 90-degree angular directional transition engineered specifically for building services, commercial plumbing, gas distribution lines, and industrial process piping installations. Manufactured from high-grade whiteheart malleable cast iron EN-GJMW-400-5 in strict accordance with EN 10242 Design Symbol A, this premium fitting features an integrated circular mounting flange with three evenly spaced fixing holes oriented at an angular spread of 100 degrees, permitting secure mechanical anchoring directly to walls, structural ceilings, framing systems, or equipment chassis. The robust casting incorporates precisely cut parallel internal pipe threads (Rp) conforming to EN 10226-1 and ISO 7-1, ensuring exact engagement and dependable metallic flank sealing when coupled with standard taper male pipe threads (R) using suitable thread jointing media. To achieve permanent protection against environmental deterioration and aggressive service fluids, the component undergoes a specialized hot-dip zinc galvanization process that produces multi-layered iron-zinc alloy zones topped with a pure zinc layer, meeting elevated hygiene standards suitable for potable drinking water networks as well as compressed air, non-corrosive hydrocarbons, heating water, and industrial fluid circuits. Offering dependable structural performance across a broad operating temperature range from -20 degrees Celsius to 300 degrees Celsius with pressure containment ratings reaching up to 25 bar, the fitting effectively absorbs mechanical vibration, pipe shear forces, and thermal expansion stresses, thereby safeguarding downstream piping joints against displacement or localized bending strain. The optimized internal flow passage minimizes turbulent head loss, while the standardized face-to-center laying dimensions and clearly documented z-measures streamline pipeline layout design and prefabrication workflows across professional engineering environments.