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Rectus Ranges

Rectus quick couplers are used in many industries, mainly for connecting hoses and modules quickly and leak free.

They are often used for fluid and gas connections. Depending on the design, the connecting elements for low pressure are suitable for a pressure of up to 35 bar.

The quick couplings are available in the most common materials such as brass, steel, stainless steel, PVDF, and are also increasingly used in plate or block applications.

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  • Parker Rectus 3/8" BSPP Female Coupling 21KAIW17MPN - FluidAirFittings
    Rectus 21KA Series Coupling BSPP Female | 3/8" BSPP Female | 21KAIW17MPN - FluidAirFittings
    Original price £22.69 - Original price £22.69
    Original price
    £22.69
    £22.69 - £22.69
    Current price £22.69

    Parker Rectus 3/8" BSPP Female Coupling 21KAIW17MPN

    3/8" BSP Parallel Female Coupling, Series 21KA, Standard, Parker Rectus, Pneumatic Quick Release, Valved, Brass Nickel Plated, Nitrile Seal, Workin...

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    Original price £22.69 - Original price £22.69
    Original price
    £22.69
    £22.69 - £22.69
    Current price £22.69
  • Parker Rectus 3/8" BSPP Male Coupling 21KAAW17MPN - FluidAirFittings
    Rectus 21KA Series Coupling BSPP Male | 3/8" BSPP Male | 21KAAW17MPN - FluidAirFittings
    Original price £20.23 - Original price £20.23
    Original price
    £20.23
    £20.23 - £20.23
    Current price £20.23

    Parker Rectus 3/8" BSPP Male Coupling 21KAAW17MPN

    3/8" BSP Parallel Male Coupling, Series 21KA, Standard, Parker Rectus, Pneumatic Quick Release, Valved, Brass Nickel Plated, Nitrile Seal, Working ...

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    Original price £20.23 - Original price £20.23
    Original price
    £20.23
    £20.23 - £20.23
    Current price £20.23
  • Parker Rectus M5 Metric Male Plug 20SBAM05MPX - FluidAirFittings
    Rectus 20KB Series Adaptor Metric & BSPP Male | M5 Metric Male | 20SBAM05MPX - FluidAirFittings
    Original price £30.47 - Original price £30.47
    Original price
    £30.47
    £30.47 - £30.47
    Current price £30.47

    Parker Rectus M5 Metric Male Plug 20SBAM05MPX

    M5 Metric Male Plug,& Metric Series 20KB, Standard, Parker Rectus, Pneumatic Quick Release, Valved, Brass, Working Temperature -20°C to +100°C,...

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    Original price £30.47 - Original price £30.47
    Original price
    £30.47
    £30.47 - £30.47
    Current price £30.47
  • Parker Rectus M5 Metric Female Plug 20SBIM05MPX - FluidAirFittings
    Rectus 20KB Series Adaptor Metric & BSPP Female | M5 Metric Female | 20SBIM05MPX - FluidAirFittings
    Original price £31.15 - Original price £31.15
    Original price
    £31.15
    £31.15 - £31.15
    Current price £31.15

    Parker Rectus M5 Metric Female Plug 20SBIM05MPX

    M5 Metric Female Plug,& Metric Series 20KB, Standard, Parker Rectus, Pneumatic Quick Release, Valved, Brass, Working Temperature -20°C to +100°...

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    Original price £31.15 - Original price £31.15
    Original price
    £31.15
    £31.15 - £31.15
    Current price £31.15
  • Parker Rectus 1/8" BSPP Male Plug 20SBAW10MPX - FluidAirFittings
    Rectus 20KB Series Adaptor Metric & BSPP Male | 1/8" BSPP Male | 20SBAW10MPX - FluidAirFittings
    Original price £37.76 - Original price £37.76
    Original price
    £37.76
    £37.76 - £37.76
    Current price £37.76

    Parker Rectus 1/8" BSPP Male Plug 20SBAW10MPX

    1/8" BSP Parallel Male Plug,& Metric Series 20KB, Standard, Parker Rectus, Pneumatic Quick Release, Valved, Brass, Working Temperature -20°C to...

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    Original price £37.76 - Original price £37.76
    Original price
    £37.76
    £37.76 - £37.76
    Current price £37.76
  • Parker Rectus 1/8" BSPP Female Plug 20SBIW10MPX - FluidAirFittings
    Rectus 20KB Series Adaptor Metric & BSPP Female | 1/8" BSPP Female | 20SBIW10MPX - FluidAirFittings
    Original price £12.70 - Original price £12.70
    Original price
    £12.70
    £12.70 - £12.70
    Current price £12.70

    Parker Rectus 1/8" BSPP Female Plug 20SBIW10MPX

    1/8" BSP Parallel Female Plug,& Metric Series 20KB, Standard, Parker Rectus, Pneumatic Quick Release, Valved, Brass, Working Temperature -20°C ...

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    Original price £12.70 - Original price £12.70
    Original price
    £12.70
    £12.70 - £12.70
    Current price £12.70
  • Parker Rectus 04MM Hose Tail Coupling DS Brass 20KBTF04MPX - FluidAirFittings
    Rectus 20KB Series Coupling Hosetail | Hosetail (4mm i.d Hose) | 20KBTF04MPX - FluidAirFittings
    Original price £44.66 - Original price £44.66
    Original price
    £44.66
    £44.66 - £44.66
    Current price £44.66

    Parker Rectus 04MM Hose Tail Coupling DS Brass 20KBTF04MPX

    Pneumatic Quick Release, Series 20KB, Standard, Parker Rectus, Coupling, Hose Tail, To Suit Hose Inside Diameter 4mmmm, Valved, Brass, Nitrile Seal...

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    Original price £44.66 - Original price £44.66
    Original price
    £44.66
    £44.66 - £44.66
    Current price £44.66
  • Parker Rectus 03 X 04MM Hose Plug Brass Nickel 20SFKO04MXN - FluidAirFittings
    Rectus 20KA Series Adaptor Quick Fit | 3mm x 4mm | 20SFKO04MXN - FluidAirFittings
    Original price £10.91 - Original price £10.91
    Original price
    £10.91
    £10.91 - £10.91
    Current price £10.91

    Parker Rectus 03 X 04MM Hose Plug Brass Nickel 20SFKO04MXN

    Pneumatic Quick Release, Series 20KA, Standard, Parker Rectus, Plug, Quick Fit Tube Connection, To Fit 3 x 4Tube Size, Non Valved, Brass Nickel Pla...

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    Original price £10.91 - Original price £10.91
    Original price
    £10.91
    £10.91 - £10.91
    Current price £10.91
  • Parker Rectus 03 X 05MM Hose Plug Brass Nickel 20SFKO05MXN - FluidAirFittings
    Rectus 20KA Series Adaptor Quick Fit | 3mm x 5mm | 20SFKO05MXN - FluidAirFittings
    Original price £11.27 - Original price £11.27
    Original price
    £11.27
    £11.27 - £11.27
    Current price £11.27

    Parker Rectus 03 X 05MM Hose Plug Brass Nickel 20SFKO05MXN

    Pneumatic Quick Release, Series 20KA, Standard, Parker Rectus, Plug, Quick Fit Tube Connection, To Fit 3 x 5Tube Size, Non Valved, Brass Nickel Pla...

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    Original price £11.27 - Original price £11.27
    Original price
    £11.27
    £11.27 - £11.27
    Current price £11.27
  • Parker Rectus 4 X 6MM Plug Series 20KA 20SFKO06MXN - FluidAirFittings
    Rectus 20KA Series Adaptor Quick Fit | 4mm x 6mm | 20SFKO06MXN - FluidAirFittings
    Original price £10.56 - Original price £10.56
    Original price
    £10.56
    £10.56 - £10.56
    Current price £10.56

    Parker Rectus 4 X 6MM Plug Series 20KA 20SFKO06MXN

    Pneumatic Quick Release, Series 20KA, Standard, Parker Rectus, Plug, Quick Fit Tube Connection, To Fit 4 x 6 Tube Size, Brass Nickel Plated, Workin...

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    Original price £10.56 - Original price £10.56
    Original price
    £10.56
    £10.56 - £10.56
    Current price £10.56
  • Parker Rectus M5 Metric Male Coupling 20KBAM05MPX - FluidAirFittings
    Rectus 20KB Series Coupling Metric & BSPP Male | M5 Metric Male | 20KBAM05MPX - FluidAirFittings
    Original price £26.62 - Original price £26.62
    Original price
    £26.62
    £26.62 - £26.62
    Current price £26.62

    Parker Rectus M5 Metric Male Coupling 20KBAM05MPX

    M5 Metric Male Coupling, Series 20KB, Standard, Parker Rectus, Pneumatic Quick Release, Valved, Brass, Nitrile Seal, Working Temperature -20°C to +...

    View full details
    Original price £26.62 - Original price £26.62
    Original price
    £26.62
    £26.62 - £26.62
    Current price £26.62
  • Parker Rectus 1/8" BSPP Male Coupling 20KBAW10MPX - FluidAirFittings
    Rectus 20KB Series Coupling Metric & BSPP Male | 1/8" BSPP Male | 20KBAW10MPX - FluidAirFittings
    Original price £35.16 - Original price £35.16
    Original price
    £35.16
    £35.16 - £35.16
    Current price £35.16

    Parker Rectus 1/8" BSPP Male Coupling 20KBAW10MPX

    1/8" BSP Parallel Male Coupling, Series 20KB, Standard, Parker Rectus, Pneumatic Quick Release, Valved, Brass, Nitrile Seal, Working Temperature -2...

    View full details
    Original price £35.16 - Original price £35.16
    Original price
    £35.16
    £35.16 - £35.16
    Current price £35.16
  • Parker Rectus M5 Metric Female Coupling 20KBIM05MPX - FluidAirFittings
    Rectus 20KB Series Coupling Metric & BSPP Female | M5 Metric Female | 20KBIM05MPX - FluidAirFittings
    Original price £31.55 - Original price £31.55
    Original price
    £31.55
    £31.55 - £31.55
    Current price £31.55

    Parker Rectus M5 Metric Female Coupling 20KBIM05MPX

    M5 Metric Female Coupling, Series 20KB, Standard, Parker Rectus, Pneumatic Quick Release, Valved, Brass, Nitrile Seal, Working Temperature -20°C to...

    View full details
    Original price £31.55 - Original price £31.55
    Original price
    £31.55
    £31.55 - £31.55
    Current price £31.55
  • Parker Rectus 04 X 06MM Hose Plug Brass Nickel 20SFKS06MXN - FluidAirFittings
    Rectus 20KA Series Adaptor Panel Mtg Quick Fit | 4mm x 6mm | 20SFKS06MXN - FluidAirFittings
    Original price £22.94 - Original price £22.94
    Original price
    £22.94
    £22.94 - £22.94
    Current price £22.94

    Parker Rectus 04 X 06MM Hose Plug Brass Nickel 20SFKS06MXN

    Pneumatic Quick Release, Series 20KA, Standard, Parker Rectus, Plug, Panel Mount, Quick Fit Tube Connection, To Fit 3 x 6Tube Size, Non Valved, Bra...

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    Original price £22.94 - Original price £22.94
    Original price
    £22.94
    £22.94 - £22.94
    Current price £22.94
  • Parker Rectus M5 Metric Male Plug 20SFAM05MXN - FluidAirFittings
    Rectus 20KA Series Adaptor Metric & BSPP Male | M5 Metric Male | 20SFAM05MXN - FluidAirFittings
    Original price £11.66 - Original price £11.66
    Original price
    £11.66
    £11.66 - £11.66
    Current price £11.66

    Parker Rectus M5 Metric Male Plug 20SFAM05MXN

    M5 Metric Male Plug,& Metric Series 20KA, Standard, Parker Rectus, Pneumatic Quick Release, Non Valved, Brass Nickel Plated, Working Temperatur...

    View full details
    Original price £11.66 - Original price £11.66
    Original price
    £11.66
    £11.66 - £11.66
    Current price £11.66
  • Parker Rectus 1/8" BSPP Female Coupling 20KBIW10MPX - FluidAirFittings
    Rectus 20KB Series Coupling Metric & BSPP Female | 1/8" BSPP Female | 20KBIW10MPX - FluidAirFittings
    Original price £41.64 - Original price £41.64
    Original price
    £41.64
    £41.64 - £41.64
    Current price £41.64

    Parker Rectus 1/8" BSPP Female Coupling 20KBIW10MPX

    1/8" BSP Parallel Female Coupling, Series 20KB, Standard, Parker Rectus, Pneumatic Quick Release, Valved, Brass, Nitrile Seal, Working Temperature ...

    View full details
    Original price £41.64 - Original price £41.64
    Original price
    £41.64
    £41.64 - £41.64
    Current price £41.64
  • Parker Rectus 03 X 04MM Hose Coupling P/Mount Brass/Nick 20KAKS04MPN - FluidAirFittings
    Rectus 20KA Series Coupling Panel Mtg Quick Fit | 3mm x 4mm | 20KAKS04MPN - FluidAirFittings
    Original price £61.14 - Original price £61.14
    Original price
    £61.14
    £61.14 - £61.14
    Current price £61.14

    Parker Rectus 03 X 04MM Hose Coupling P/Mount Brass/Nick 20KAKS04MPN

    Pneumatic Quick Release, Series 20KA, Standard, Parker Rectus, Coupling, Panel Mount, Quick Fit Tube Connections, To Fit 3 x 4Tube Size, Valved, Br...

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    Original price £61.14 - Original price £61.14
    Original price
    £61.14
    £61.14 - £61.14
    Current price £61.14
  • Parker Rectus 1/8" BSPP Male Plug 20SFAW10MXN - FluidAirFittings
    Rectus 20KA Series Adaptor Metric & BSPP Male | 1/8" BSPP Male | 20SFAW10MXN - FluidAirFittings
    Original price £2.18 - Original price £2.18
    Original price
    £2.18
    £2.18 - £2.18
    Current price £2.18

    Parker Rectus 1/8" BSPP Male Plug 20SFAW10MXN

    1/8" BSP Parallel Male Plug,& Metric Series 20KA, Standard, Parker Rectus, Pneumatic Quick Release, Non Valved, Brass Nickel Plated, Working Te...

    View full details
    Original price £2.18 - Original price £2.18
    Original price
    £2.18
    £2.18 - £2.18
    Current price £2.18
  • Parker Rectus 04 X 06MM Hose Coupling P/Mount Brass/Nick 20KAKS06MPN - FluidAirFittings
    Rectus 20KA Series Coupling Panel Mtg Quick Fit | 4mm x 6mm | 20KAKS06MPN - FluidAirFittings
    Original price £53.17 - Original price £53.17
    Original price
    £53.17
    £53.17 - £53.17
    Current price £53.17

    Parker Rectus 04 X 06MM Hose Coupling P/Mount Brass/Nick 20KAKS06MPN

    Pneumatic Quick Release, Series 20KA, Standard, Parker Rectus, Coupling, Panel Mount, Quick Fit Tube Connections, To Fit 4 x 6Tube Size, Valved, Br...

    View full details
    Original price £53.17 - Original price £53.17
    Original price
    £53.17
    £53.17 - £53.17
    Current price £53.17
  • Parker Rectus 04 X 06MM Hose Coupling Brass Nickel 20KAKO06MPN - FluidAirFittings
    Rectus 20KA Series Coupling Quick Fit | 4mm x 6mm | 20KAKO06MPN - FluidAirFittings
    Original price £38.48 - Original price £38.48
    Original price
    £38.48
    £38.48 - £38.48
    Current price £38.48

    Parker Rectus 04 X 06MM Hose Coupling Brass Nickel 20KAKO06MPN

    Pneumatic Quick Release, Series 20KA, Standard, Parker Rectus, Coupling, Quick Fit Tube Connection, To Fit 4 x 6Tube Size, Valved, Brass Nickel Pla...

    View full details
    Original price £38.48 - Original price £38.48
    Original price
    £38.48
    £38.48 - £38.48
    Current price £38.48
  • Parker Rectus M5 Metric Female Plug 20SFIM05MXN - FluidAirFittings
    Rectus 20KA Series Adaptor Metric & BSPP Female | M5 Metric Female | 20SFIM05MXN - FluidAirFittings
    Original price £11.92 - Original price £11.92
    Original price
    £11.92
    £11.92 - £11.92
    Current price £11.92

    Parker Rectus M5 Metric Female Plug 20SFIM05MXN

    M5 Metric Female Plug,& Metric Series 20KA, Standard, Parker Rectus, Pneumatic Quick Release, Non Valved, Brass Nickel Plated, Working Temperat...

    View full details
    Original price £11.92 - Original price £11.92
    Original price
    £11.92
    £11.92 - £11.92
    Current price £11.92
  • Parker Rectus 1/8" BSPP Female Plug 20SFIW10MXN - FluidAirFittings
    Rectus 20KA Series Adaptor Metric & BSPP Female | 1/8" BSPP Female | 20SFIW10MXN - FluidAirFittings
    Original price £12.54 - Original price £12.54
    Original price
    £12.54
    £12.54 - £12.54
    Current price £12.54

    Parker Rectus 1/8" BSPP Female Plug 20SFIW10MXN

    1/8" BSP Parallel Female Plug,& Metric Series 20KA, Standard, Parker Rectus, Pneumatic Quick Release, Non Valved, Brass Nickel Plated, Working ...

    View full details
    Original price £12.54 - Original price £12.54
    Original price
    £12.54
    £12.54 - £12.54
    Current price £12.54
  • Parker Rectus 1/8" BSPP Female Coupling 20KAIW10MPN - FluidAirFittings
    Rectus 20KA Series Coupling Metric & BSPP Female | 1/8" BSPP Female | 20KAIW10MPN - FluidAirFittings
    Original price £35.29 - Original price £35.29
    Original price
    £35.29
    £35.29 - £35.29
    Current price £35.29

    Parker Rectus 1/8" BSPP Female Coupling 20KAIW10MPN

    1/8" BSP Parallel Female Coupling, Series 20KA, Standard, Parker Rectus, Pneumatic Quick Release, Valved, Brass Nickel Plated, Nitrile Seal, Workin...

    View full details
    Original price £35.29 - Original price £35.29
    Original price
    £35.29
    £35.29 - £35.29
    Current price £35.29
  • Parker Rectus M5 Metric Female Coupling 20KAIM05MPN - FluidAirFittings
    Rectus 20KA Series Coupling Metric & BSPP Female | M5 Metric Female | 20KAIM05MPN - FluidAirFittings
    Original price £32.74 - Original price £32.74
    Original price
    £32.74
    £32.74 - £32.74
    Current price £32.74

    Parker Rectus M5 Metric Female Coupling 20KAIM05MPN

    M5 Metric Female Coupling, Series 20KA, Standard, Parker Rectus, Pneumatic Quick Release, Valved, Brass Nickel Plated, Nitrile Seal, Working Temper...

    View full details
    Original price £32.74 - Original price £32.74
    Original price
    £32.74
    £32.74 - £32.74
    Current price £32.74