Description
1. Product Overview
The Flare Nut Fitting Set FNF-008 is a premium collection of precision-engineered flare nuts designed for secure, leak-proof connections in tubing systems. Primarily used in hydraulic, pneumatic, refrigeration, and automotive fluid transfer applications, these fittings excel in creating reliable metal-to-metal seals on flared copper, brass, aluminum, or compatible steel tubing.
The key value proposition lies in their robust construction, vibration resistance, and ease of assembly/disassembly without additional sealants, delivering long-term performance in demanding industrial environments. Strategically important for global supply chains, this set supports critical infrastructure maintenance, OEM assembly, and aftermarket repairs where system integrity and downtime minimization are paramount.
2. Key Specifications & Technical Characteristics
- Material: High-quality C3604 brass (or equivalent forged brass alloy) for superior corrosion resistance and ductility.
- Grade/Compatibility: Designed for SAE 45° flare standards; compatible with copper, brass, aluminum, and flared steel tubing.
- Physical Characteristics: Precision-machined internal tapered bore for optimal flare seating; hexagonal external profile for secure wrenching; available in standard sizes including configurations suited for 8mm and related tubing O.D.
- Pressure Rating: Up to 3.45 MPa (approximately 500 PSI) depending on tube size, configuration, and operating conditions.
- Temperature Range: -50°C to +150°C (-58°F to +302°F).
- Packaging Options: Industrial bulk packaging, sets in organized cases or kits for efficient inventory management.
- Additional Features: Reusable design with excellent vibration resistance; no shelf life limitations under proper storage.
3. Core Industrial Applications
Primary industries include HVAC and refrigeration, automotive and heavy equipment manufacturing, hydraulic and pneumatic systems, oil & gas processing, and general industrial plumbing.
Specific use cases encompass connecting refrigerant lines, brake/fuel/power steering tubing, instrumentation lines, and high-pressure fluid transfer in machinery. This product outperforms alternatives through its mechanical flare seal, which provides superior leak resistance under vibration and thermal cycling compared to compression or soldered joints. It offers efficiency via quick field assembly, enhanced durability for repeated service, and cost advantages through reduced maintenance and lower failure rates in mission-critical operations.
4. Competitive Advantages
- Quality Consistency: Manufactured to tight tolerances with forged construction for uniform performance across batches.
- Supply Reliability: Proven global sourcing and inventory capabilities ensuring on-time delivery for large-scale projects.
- Logistics Capability: Optimized for containerized bulk shipments with protective packaging.
- Price Competitiveness: High-value proposition through durable, reusable components that lower total cost of ownership.
- Sustainability: Brass material supports recyclability; long service life reduces replacement frequency and waste.
- Technical Support: Comprehensive documentation, material certifications, and application guidance available to facilitate seamless integration.
Selecting this set represents a strategic sourcing decision for buyers prioritizing system reliability, operational uptime, and supply chain resilience.
5. Commercial & Supply Information
- Minimum Order Quantity (MOQ): Contact for tailored B2B volumes.
- Bulk 20MT Loading Capacity: Available for full container loads to support large industrial procurement.








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