Dixon is most recognized around the world for its “Boss” coupling system designed for heavy duty air / fluid transfer applications. The “Dixon Boss” coupling system is the global industry standard for use with steam hoses, heavy duty air hose used in rock drilling equipment, mines, etc. True to its name, Dixon is still the reigning "Boss" for decades in this product range and has no equal.

Product range includes:

“Boss” ground joint system – for use with steam and for industrial air lines in mines. Available in sizes from ¼” – 6”.

“Boss” male stems – NPT & BSP options.

LP-Boss male stems ( NPT & BSP ) for use with LPG transfer hose in sizes from 1¼” – 6”.

316 stainless steel “Boss” ground joint system from ¾” – 2” sizes.

Also available on request Boss Holedall® fittings, “Boss” adapters, “Boss” wing nut caps.

“Boss” interlocking clamps – available for a wide range of hose ODs and hose ID range from ¼” – 6”.

Ground joint air hammer couplings with copper seat seal for use in mines.


Boss Coupling System