union blanks

Bull Plugs | Union Blanks | Union Caps | Blind Unions



* Hammer Union Blanks can be used as full pressure containing system bull plugs or transported flowline caps.

* Hammer Union Blanks may be drilled through and tapped to order for Autoclave connectors or nominal NPT gage port.

* Hammer Union Blanks may be drilled blind and used with bolted on galvanized chain for tethering the cap to the mating union outlet.

* Hammer Union Male Bull or Gage plugs come with a spiral retaining ring to allow the Blank and Nut assembly to be handled as a single unit.


Sizes: 1/8" - 8" (STD, XH, & XXH)

Materials: A234 (barstock) or A-106 (grade B seamless)

End Connections: Bevel, or Threaded (zinc plated)