Brass union is a detachable pipe connection joint that mainly uses threaded connection. It achieves connection and sealing by rotating and tightening the internal and external threads. It is easy to operate and does not require cutting or complicated operations, which greatly saves time and labor costs. At the same time, it also provides convenience for the maintenance and replacement of pipelines. 

Brass union has the advantages of easy assembly and disassembly, excellent corrosion resistance, good sealing performance, etc., and plays an important role in the pipe system. It is made of high-quality brass, has excellent mechanical strength, and has been proven to be used in drinking water systems. Due to the above advantages, brass union is widely used in HVAC, natural gas pipelines, chemical, and petroleum pipeline systems.