JB B2-12 3/4" SAE Gasket

The JB Industries B2-12 3/4" SAE Copper Flare Gasket is a critical sealing component engineered to ensure leak-proof performance in high-pressure HVACR systems. Made in the USA from premium-grade copper, these 45-degree flare gaskets are designed to yield slightly during tightening, conforming to the flare surface to eliminate micro-leaks in brass-to-brass and brass-to-steel connections. This "dead soft" copper construction provides a superior metal-to-metal seal compared to standard flares alone, making them indispensable for refrigeration circuits and gas lines where vibration resistance and thermal cycling are factors. The JB B2-12 is compatible with all standard SAE 45° flare fittings and is rated for vacuum pressures up to 5,000 psi depending on the assembly conditions. By using a specialized flare gasket, technicians can salvage slightly damaged flare seats or provide an extra layer of security in mission-critical refrigerant piping.

Key Benefits:

• Leak Prevention: Soft copper construction conforms to imperfections in the flare seat for a hermetic seal.
• High Pressure Rated: Capable of handling up to 5,000 psi in optimal conditions, suitable for high-pressure refrigerants.
• Universal Compatibility: Fits any standard 3/4 inch SAE flare connection across residential and commercial refrigeration systems.
• Vibration Resistance: Provides a more robust mechanical joint that resists loosening due to compressor vibration.
• Durable Material: Resists corrosion and maintains structural integrity across wide temperature ranges.

Common Questions:

Can I reuse a copper flare gasket?
These are designed as single-use components. Because the copper deforms to create the seal, reusing a gasket may result in an improper fit and potential leaks.

Do I need thread sealant with these gaskets?
While the gasket creates the primary seal on the flare face, applying a compatible refrigeration oil or sealant to the threads can help achieve the necessary torque without binding.

Are these compatible with A2L refrigerants?
Yes, these copper gaskets are compatible with standard HVACR refrigerants, including newer A2L blends, provided the system uses standard 45-degree SAE flares.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.