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Brass Flare Union Brand Name :

dutux

 

Brass Flare Union OEM service :

Yes

Our company provide you products in your customized design with your brand.

 

Brass Flare Union Metal :

Brass / Copper Alloy

 

Brass Flare Union Size :

Part No.	Size
DUTUX BFU 316	3/16″ x 3/16″
DUTUX BFU 14	1/4″ x 1/4″
DUTUX BFU 516	5/16″ x 5/16″
DUTUX BFU 38	3/8″ x 3/8″
DUTUX BFU 12	1/2″ x 1/2″
DUTUX BFU 58	5/8″ x 5/8″
DUTUX BFU 34	3/4″ x 3/4″
DUTUX BFU 78	7/8″ x 7/8″

 

Any customized thread or size as per customer provided specifications.

 

Brass Flare Union Material :

Free Cutting Brass IS 319 Type (l)

Free Cutting Brass as per BS 249 Type (I)

Other grades which are followed as per custom requirements are CZ 121, CZ 131, C3604, CDA 360, and DTD 627 etc.

High Grade Free Cutting Brass.

Any Special Brass Material Composition as per customer’s requirement

 

Brass Flare Union Special Features :

Made from forged brass to maximize strength and eliminate cracks

Tubing should be double flared in extreme applications to minimize flare thinning on over-tightening

Long dry seal pipe threads minimize leakage and provide more clearance for tightening flare nuts

Long nuts are recommended when vibration is a factor

Slight deviations will occur when full compliance fittings are not available

Tube fittings are make and brake, have good vibration resistance, economical, easy to assemble and are available in a wide variety

Heavy duty AC tube fittings generally conform to SAE, ASA and ARI standards for marine, hydraulic and refrigeration service.

Thread as per international Go and Not Go Gauge Standard.

Deep Groove for maximum Pull out Resistance.

Inner Diameter (ID) after threading with very close tolerance to prevent unrequired flush to enter into brass Flare union.

High internal and external surfaces clean.

High dimensional accuracy.

High heat transfer efficiency.

Easy welding.

Corrosion resistance.

Formability use long life.

Leakage-proof

 

Brass Flare Union Application / Usage / Specification :

Air conditioning, Hydraulic, Marine, Mechanical  and Refrigeration

 

Brass Flare Union Finishing & Coating :

Natural

Golden Finish

Silver Finish

Nickle Platted

Chrome Platted

Tin Plated

Any coating as per customer specifications

 

Brass Flare Reducing Union Packing Details :

Bag Packaging

Box Packing

Inner Plastic Packing

Carton Packaging

Wooden Carton Packing

 

Brass Flare Reducing Union MOQ :

1000 Pieces

 

Brass Flare Reducing Union Lead Time :

3 Working Days

 

Brass Flare Reducing Union Available Price :

EX-Work

FOB – Free On Board

C&F – Cost And Freight

CIF – Cost, Insurance and Freight

Brass Flare Union – Premium Forged Brass Tube Connector for Leak-Free Flared Joints

The Brass Flare Union is an essential fitting designed to join two flared tubes in a secure, leak-proof manner. Manufactured from premium forged brass (typically CW617N or C37700), this union fitting offers exceptional mechanical strength, corrosion resistance, and durability, ensuring reliable performance in demanding HVAC, refrigeration, and fluid handling systems worldwide.

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 In-Depth Features & Benefits:

• Material Excellence: Crafted from high-grade forged brass known for its superior corrosion resistance against water, refrigerants, and mild chemicals—ideal for long service life even in harsh environments.

• Precision Engineering: Manufactured with exacting tolerances to guarantee a tight metal-to-metal 45° flare seal, preventing leaks without requiring additional sealants or tapes.

• Thread Versatility: Available with SAE UNF flare threads standard, with options for NPT, BSP, and Metric threads to suit various international standards and client requirements.

• Robust Construction: Designed to withstand high working pressures (up to 800 PSI) and wide temperature ranges (-65°F to 250°F), making it suitable for refrigeration cycles, gas distribution, and hydraulic fluid lines.

• Ease of Installation & Maintenance: Quick and straightforward assembly using standard flare wrenches. The union allows for easy disassembly and reassembly during maintenance without compromising seal integrity.

• Surface Finishing Options: Polished natural brass finish for aesthetic and corrosion protection, with nickel and chrome plating options available for enhanced durability and resistance to harsh conditions.

• Environmental Compliance: Manufactured under stringent ISO 9001:2015 quality management systems and compliant with RoHS and REACH standards for environmental safety.

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 Comprehensive Size Chart:

Tube OD (inch)	Thread Type	Thread Size	Tube OD (mm)
1/4"	SAE Flare (UNF)	7/16-20	6.35
3/8"	SAE Flare (UNF)	5/8-18	9.52
1/2"	SAE Flare (UNF)	3/4-16	12.7
5/8"	SAE Flare (UNF)	7/8-14	15.88
3/4"	SAE Flare (UNF)	1-1/16-14	19.05

 

Custom sizes, thread types (NPT, BSP, Metric), and configurations are available to meet unique project specifications.

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 OEM & Customization Services:

• Tailored Threads: Support for a wide range of international thread standards including NPT, BSP, BSPT, Metric, and others to fit any regional or application-specific requirement.

• Branding & Packaging: Laser engraving, custom logos, part numbers, and bespoke packaging solutions for OEM clients and distributors.

• Surface Treatment: Optional electroplating and polishing for improved corrosion resistance and aesthetics.

• Quality & Support: Access to 2D and 3D CAD models, prototypes, batch testing reports, and dedicated technical support teams.

• Flexible Order Quantities: From small prototype runs to large volume production, we accommodate orders to optimize your supply chain.

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 Quality Assurance & Certifications:

• Production under a certified ISO 9001:2015 quality management system ensuring consistent product excellence.

• All units undergo 100% pressure testing and leak detection before dispatch.

• Environmentally compliant with RoHS and REACH directives for safe, eco-friendly materials.

• Comprehensive batch and lot traceability for quality control and regulatory audits.

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 Typical Applications:

• Heating, Ventilation, and Air Conditioning (HVAC): Reliable connections for refrigerant lines, compressor assemblies, and evaporator coils.

• Refrigeration Systems: Essential in commercial and industrial refrigeration piping for secure fluid transport.

• Gas Distribution: Used in propane, natural gas, and other fuel lines requiring durable, leak-free joints.

• Automotive & Marine: High-performance fluid line connections in automotive fuel, cooling, and marine hydraulic systems.

• Industrial Machinery: Pneumatic and hydraulic systems that demand secure tubing connections under pressure.

• General Plumbing: For water and oil lines where durable, corrosion-resistant fittings are needed.