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Air Couplings

Air couplings for use with air compressors including instant air adaptors for most fitting types. 

  • REF #1068

    PCL Standard Adaptors

    PCL Standard Adaptors

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  • REF #1074

    XF Adaptors

    XF Adaptors

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  • REF #1073

    XF High Flow Couplings

    XF High Flow Couplings

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  • REF #1285

    Claw Couplings - Steel

    Claw Couplings - Steel

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  • REF #1064

    PCL Airflow Couplings

    PCL Airflow Couplings

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  • REF #1063

    PF Adaptors

    PF Adaptors

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  • REF #1061

    Euro Adaptors

    Euro Adaptors

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  • Galvanised Steel Internal Duct Coupler

    Galvanised Steel Internal Duct Coupler

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  • REF #1288

    Clamp

    Clamp

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  • REF #1080

    PCL 100 Series Male Adaptor Plug

    PCL 100 Series Male Adaptor Plug

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  • REF #1070

    Mini Adaptors

    Mini Adaptors

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  • REF #1068

    PCL Vertex Airflow Couplings

    PCL Vertex Airflow Couplings

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  • REF #1084

    Instant Air Couplings - Steel

    Instant Air Couplings - Steel

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  • REF #1076

    3/8" BSPT Male XF Safety Adaptor

    3/8" BSPT Male XF Safety Adaptor

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    £15.16 EXC VAT

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  • 1/4" BSPT Male PCL Safety Adaptor

    1/4" BSPT Male PCL Safety Adaptor

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    £10.42 EXC VAT

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  • Compressed Air Hose Assembly - With Safety Fittings

    Compressed Air Hose Assembly - With Safety Fittings

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    £87.16 EXC VAT

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Air couplings for compressors and pneumatic tools

Air couplings are the quick-release fittings used to connect pneumatic hoses and tools to compressors and airline systems. They are simple to use — push the male half into the female socket and it locks in place; pull back the collar to release. Under pressure or repeated use, though, the quality of the coupling matters.

The most important thing to get right is the profile. Air coupling profiles include BSP, Euro (also known as type C), Orion, and several others. Couplings of different profiles will not mate — you cannot connect a Euro male to a BSP female, for example. Check what profile is already in use on your compressor and airline system before ordering.

After profile, the material and pressure rating matter. Most workshop air systems run at 8–10 bar. The couplings here are rated for standard workshop pressures; check the product specification if your system operates outside that range.

Male adaptors and female sockets are sold separately in most ranges, so you can mix male fittings onto hose ends and female sockets onto tools as your setup requires. If you are starting from scratch and not sure which profile to specify, BSP and Euro are the most widely used in UK workshops.

Frequently Asked Questions

Which air coupling profile should I buy?

It depends on what your compressor and tools already use. BSP and Euro (type C) are the most common profiles in UK workshops. Check the couplings already fitted to your compressor outlet and any existing tools before ordering. Different profiles will not mate, so mixing types on the same airline creates problems.

What is the difference between a male and female air coupling?

The male half (also called the plug or nipple) is the part that inserts into the female. The female half (socket or coupler) receives the male and locks it in place. Typically, male fittings go onto the hose or tool, and the female socket is fixed at the compressor outlet or airline manifold — though setups vary.

What pressure are your air couplings rated to?

Most couplings in this range are rated for standard workshop compressed air pressures of 8–12 bar. Check the individual product listing for the specific pressure rating, particularly if your system operates at higher pressures.

Do you deliver air couplings near me?

Yes. We deliver across England and Wales with free delivery on orders over £200. Single couplings are fine — no minimum order.