Product details
LP Flare Nut | 3/4″ SAE | Heavy-Duty Forged Brass
Product Description: The LP 3/4″ Flare Nut is crafted from premium forged brass to provide maximum structural integrity. In the UAE’s large-scale cooling sectors—such as industrial chillers and high-capacity VRF systems—the 3/4″ connection is a critical point that must withstand significant vibration and high refrigerant pressures. This nut is designed for 3/4-inch OD copper tubing with a standard $45^\circ$ flare. Its robust construction prevents the nut from “spreading” or cracking when tightened to the high torque levels required for larger fittings. The high-grade brass material is specifically chosen to resist the corrosive effects of the humid, saline atmosphere common in Dubai, Jebel Ali, and Abu Dhabi.
Key Features & Benefits:
- Heavy-Duty Forged Construction: Provides superior strength compared to machined bar-stock nuts, ensuring it can handle the extreme pressures of R410A and R32.
- Corrosion Resistance: Optimized for the Middle Eastern climate, resisting oxidation even in coastal or high-humidity plant rooms.
- Vibration Resistant: The precision-cut threads and thick walls provide a secure grip that resists loosening due to compressor vibration.
- Metal-to-Metal Seal: Designed to create a high-integrity, gas-tight seal without the need for additional gaskets or O-rings.
- Standard Industrial Hex: Features a deep-hex design, allowing for a secure wrench grip to prevent slipping and rounding during installation or maintenance.
Technical Specifications:
| Specifications | Value |
| Manufacturer | LP |
| Product Type | Flare Nut (Heavy Duty) |
| Size | 3/4 inch SAE |
| Material | Premium Forged Brass |
| Connection Type | Flare ($45^\circ$ Standard) |
| Thread Type | Unified Fine Thread (UNF) |
| Application | Commercial / Industrial HVAC & R |
FAQs:
- Q: Can I use this 3/4″ nut for R134a and R404A systems?
- A: Yes, it is compatible with all standard refrigerants used in the UAE, provided the system uses $45^\circ$ flare fittings.
- Q: What is the recommended torque for a 3/4″ flare nut?
- A: For a 3/4″ fitting, the torque is significantly higher than smaller sizes (typically 100-120 Nm). Always use a calibrated torque wrench to avoid under-tightening or over-stressing the flare.
- Q: Is this nut compatible with all brands of service valves?
- A: Yes, as long as the valve has a 3/4″ SAE male flare connection, this LP nut will provide a perfect fit.
