Product information

The plug and socket fitting portion of couplings 20, 30 and 40 are interchangeable, as are those of the 400, 600 and 800 couplings. This means that a coupling 20 may be connected to a 30 or 40, the only difference being the flow capacity of the couplings.

BSP Thread.


  • Time tested and proven for over 30 years to be precision perfect and leakage free
  • Helps you build efficient air lines everywhere on board


  • Uncompromising standard of quality and flow performance in each and every application