Air Brake Hose Union

Union in the D.O.T. Air Brake Reusable Hoses Ends Fitting series is a critical connector specifically designed to securely connect various pipelines, hoses, and other components in the air brake system, ensuring the sealing and stability of the entire brake circuit.

 

Part#	Hose I.D	THREAD	PARKER	MAF	GATES	Haldex
1235-6	3/8	31/32-20	62RB-6	38318	G33400-0606	11913
1235-8	1/2	1-1/8-20	62RB-8	38319	G33400-0808

 

Part#	Hose I.D	Tectran	Automann	Fleet Pride	Fairview	Tramec Sloan
1235-6	3/8	105501	177.16976	RB62-6	1492-6S	S362RB-6
1235-8	1/2	107701	177.16978	RB62-8	1492-8S	S362RB-8

 

 

1. As an intermediate connector, Union can achieve rapid docking between hoses or pipes of different diameters.

Usually, it adopts a threaded or flange connection structure, making installation and disassembly very convenient, while also facilitating on-site maintenance and replacement. This design can significantly shorten installation time and ensure that the braking system quickly returns to normal working condition in emergency situations.

 

Union is made of brass material, which not only has excellent corrosion resistance, but also has excellent mechanical strength and stability. Even in environments with high temperature, humidity, and corrosive media, this accessory can still maintain good performance for a long time. The manufacturing process strictly controls dimensional tolerances (usually ± 0.02 inches) to ensure precise fit between each connecting component, achieving a leak free sealing effect.

 

2. This series of Union products complies with D O. According to the standards of T. (U.S. Department of Transportation) and SAE (Society of Automotive Engineers), this means that they have undergone rigorous quality testing and certification, can withstand working pressures of up to 125 psi in air brake systems, and maintain stable operation within a temperature range of -40℉to+120℉.This high standard design and manufacturing process ensures that Union can perform its intended function in various harsh working conditions.

 

In practical applications, Union is usually used in conjunction with other accessories such as nuts, hose sleeves, and spring protection components to form a complete brake hose connection system. There are different sizes of unions for hoses with different inner diameters, and this classification design meets the needs of various vehicles and braking systems in the market. During installation, simply assemble the Union with the corresponding accessories according to standard procedures to achieve a secure and sealed connection, effectively preventing looseness and air leakage caused by vibration or temperature changes, and ensuring the safety and reliability of the vehicle braking system.

 

In short, the Union in the brass fittings D.O.T. Air Brake Reusable Hoses Ends Fitting series is not only structurally precise and durable, but its material and craftsmanship also ensure excellent sealing and stability in high demand air braking environments, making it an important key component for ensuring the safety of heavy-duty vehicle braking systems.

 

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