Hammer Union


  1. Provided with weak nitrile rubber sealing ring and used for sealing and protecting combination of union steel pairs.
  2. Recommended for connection of manifolds and pipe lines, vehicle-mounted system and mud transportation and also can be used as non-pressure seal union.
  3. Suitable for air, water, oil and gas service.
  4. Made of high quality steel by forging and finishing cut.\
  5. Adopts some end connections of pipeline thread, tubing thread, butt-weld.


Hammer Unions are designed as heavy duty, high pressure flow line connectors, which is commonly applied to chemical plants, on marine dredging vessels, in strip mines and in the oil industry. The color coding system on Hammer Unions represent the different configurations and pressure ratings.


Product Name Hammer Union, Weco Union
Type Fig100, Fig200, Fig206, Fig300, Fig400, Fig402, Fig602, Fig1002, Fig1003, Fig1502 etc.
Surface Color Yellow, Red, Blue, Orange, according to configuration and pressure
Working Pressure Range 1000~15000psi
Size 1” 2” 3” 4” 5” 6” 8”
Application: Petroleum, chemical, machinery, electric power, shipbuilding, papermaking, construction, etc.
Connection type Welded, Threaded



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