U2-4-1 Per Cat.: BP-42C

1/4"FL*1/4"FL

U2-4-1 Flare Union - SAE 45 Deg Flare | Brass Pro

Cross-reference
014204 04042-04 098197769978 098197802392 1014672 1019918 14204 142400 242X4 2P159 424 42-4 42-4-B10 42C 42F-4 42x4 442-4 642-F-04 89180 A 00325 A42-4 D424 D42-4 F40023 FF42-4 P-42-4 P-42-4-B10 S42-4 U2-4 10106L

Our products are manufactured to meet strict international standards. Lead-free brass materials comply with NSF 61, ISO 9001:2015, and AB1953 requirements, while our air brake fittings meet FMVSS 106 standards. Supported by over 100 CNC machines, advanced inspection equipment, and in-house spectrometer analysis, we maintain precise quality control throughout the manufacturing process. Brass Pro has built long-term partnerships with customers worldwide.

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Testing & Specs

Most stringent international standards

Our pneumatic and D.O.T. air brake fittings are rigorously tested to meet maximum operating pressures up to 150 PSI for standard commercial vehicle applications, ensuring leak-free performance under heavy-duty conditions.

Engineered for extreme environments, our high-performance brass fittings typically operate reliably in temperatures ranging from -40°F to +200°F (-40°C to 93°C), depending on the specific D.O.T. or industrial standards.

We implement strict quality control at every stage. Our fittings undergo extensive tensile strength testing, vibration resistance checks, and cycle testing to guarantee long-lasting durability in commercial transportation and industrial pneumatics.

Yes. Backed by our integrated brass mill and over 100 CNC machines, we provide full OEM/ODM services. We can manufacture products using standard brass, DZR brass, or Lead-Free brass (AB1953 / NSF-61 compliant) based on your specific requirements.

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U2-4-1 Per Cat.: BP-42C

1/4"FL*1/4"FL

What is the pressure rating for D.O.T. fittings?

What is the operating temperature range?

How do you test product durability?

Do you provide custom OEM solutions?