BLIND FLANGE Structural Features: A solid disk flange with no center bore, used to terminate the end of a piping system or pressure vessel opening. Provides full sealing capability against pressure and flow. Often includes bolt holes and standard flange face types for compatibility. Available in RF / RTJ / FF types. Welding Method: Can […]
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Long Weld Neck Flange Engineered Strength for Pressure-Critical Applications 🔩 Structural Features One-piece forged flange with an extended tapered neck Designed to replace pipe nipples or weld-on nozzles Tapered neck provides reinforcement and ensures smooth flow transition Commonly used in: Pressure vessels Heat exchangers Storage tanks Available flange face types: RF (Raised Face) RTJ (Ring-Type
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Precision Flanges – Where Quality Meets Technology Manufactured by NFI STEEL At NFI STEEL, we take pride in producing high-precision forged flanges that meet international standards and exceed customer expectations. Our products are crafted with excellence, precision-machined, and rigorously inspected to ensure optimal performance across diverse industries. Advanced Manufacturing Equipped with state-of-the-art CNC machining centers
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Structural Features: A flange with a threaded bore, allowing connection to the pipe without welding. Ideal for low-pressure and non-cyclic applications where welding is not feasible. Threads are typically NPT (National Pipe Thread) or BSP for compatibility. Common flange faces: RF / FF Welding Method: No welding required. The flange screws directly onto the external
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WELD NECK FLANGE Structural Features: A flange connected to the pipeline by “butt welding” at the neck, designed to withstand high pressure and high temperature conditions. Features a prominent long neck Flange faces available in RF / RTJ / FF types Welding method: Butt weld Forms an integral structure with the pipeline, offering excellent rigidity,
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Product Name: EN TYPE B Elbow (R=3D) Product Overview: The EN TYPE B elbow is a butt-weld steel fitting manufactured in accordance with European standards (EN 10253). It is designed to change the direction of flow in pressure piping systems. With a bending radius of 3 times the nominal diameter (R=3D), this elbow reduces turbulence
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WB36 (1.0566) Pipe Fittings – Technical Specifications 1. Material Overview WB36 (also known as 1.0566) is a German pressure vessel steel with enhanced properties for nuclear and power plant applications. These fittings feature: – Superior strength at elevated temperatures – Excellent weldability – Good toughness properties – Optimized for pressurized components 2. Chemical Composition (%)
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ASTM A234 WP92 Pipe Fittings – Technical Specifications 1. Material Overview ASTM A234 WP92 is an advanced 9Cr-1.75W-V-Nb alloy steel** for ultra-supercritical service (up to 620°C/1150°F). These high-performance fittings feature: – Enhanced creep strength (100,000h rupture strength @ 600°C: 100MPa) – Superior oxidation resistance – Excellent microstructural stability – Optimized tungsten-enhanced properties 2. Chemical Composition
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ASTM A234 WP91 Pipe Fittings – Comprehensive Technical Specifications 1. Material Overview ASTM A234 WP91 is a high-grade 9Cr-1Mo-V-Nb-N alloy steel** specification for ultra-high temperature service (up to 650°C/1200°F). These advanced fittings feature: – Superior creep rupture strength – Exceptional thermal fatigue resistance – Enhanced oxidation resistance – Microstructural stability at elevated temperatures 2. Chemical
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ASTM A234 WP9 Pipe Fittings – Complete Technical Specifications 1. Material Overview ASTM A234 WP9 specifies 9Cr-1Mo-V alloy steel pipe fittings for ultra-high temperature service (up to 1200°F/650°C). These fittings offer: – Superior creep strength – Exceptional oxidation resistance – Enhanced thermal fatigue resistance – Good corrosion resistance in sulfur-containing environments 2. Chemical Composition (%)
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