JMF Company 3/4 in. Flare Brass Nut is a precise, durable component designed to seal flare connections in brass piping systems where reliability matters. Crafted from brass for dependable performance, it is designed to work with standard 3/4" flare fittings and brass pipe materials, making it a trusted choice for HVAC, refrigeration, and certain non-potable plumbing applications.
Key details
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Size and connection: 3/4 in. flare nut with End 1 diameter 3/4 and End 1 type flare, built to pair with matching 3/4" flare male fittings.
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Material: Solid brass for corrosion resistance, durability, and effective sealing in temperature ranges up to 250°F.
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Certification and packaging: ANSI Certified; packaged in a bag for convenient handling and storage.
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Lead-content note: Average lead content is not intended for potable water applications.
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Compatibility: Designed for use with brass pipe materials and standard flare assemblies.
Where it shines
- HVAC and refrigeration line work where 3/4" flare connections are standard, providing a reliable seal under typical system pressures.
- Residential and commercial piping projects that require a durable brass flare nut with a proven track record of corrosion resistance.
- Non-potable gas and fluid line assemblies where flare fittings are specified and where brass construction is preferred for longevity and ease of machining.
Why choose this JMF flare brass nut
This nut isn’t just a bolt-on piece—it’s a critical component that influences seal integrity and system longevity. Brass offers a balanced combination of machinability, strength, and corrosion resistance, helping to prevent leaks and reduce maintenance over time. The 3/4" flare design provides a straightforward, secure actuation when paired with the correct sleeve and male flare fitting, helping you achieve a dependable seal without complex tools or procedures.
Practical installation tips
- Pair the nut with a matching 3/4" flare sleeve and the corresponding brass flare male to ensure proper alignment and a clean seal.
- Inspect threads and flare surfaces before assembly; clean any debris to prevent cross-threading or imperfect seals.
- Hand-tighten, then snug with the appropriate flare wrench according to your system’s guidelines. Avoid overtightening to prevent flare distortion.
- After assembly, perform a leak test using a safe method recommended for your system (e.g., soapy water or a pressure test) to confirm seal integrity.
Whether you’re a professional installer or a seasoned DIYer working on a non-potable brass flare project, the JMF Company 3/4 in. Flare Brass Nut delivers dependable performance, precise fit, and the reliability you expect from a trusted brand.
