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Macnaught Air Operated Diaphragm Pumps

Macnaught Air Operated Diaphragm Pumps

Economical, versatile fluid transfer solutions for industrial and commercial applications

The Macnaught DDP Series offers a complete range of air-operated double diaphragm pumps designed for reliable, cost-effective fluid transfer across industries including agriculture, automotive, transport, mining, and general industry. Whether handling low-viscosity fluids or light to medium-viscosity oils and coolants, these pumps deliver dependable performance with minimal maintenance requirements.

Each model features self-priming capability and dry-run protection, allowing safe operation even during priming or interrupted fluid flow. Their robust construction, including options with polypropylene, aluminium, and cast aluminium bodies, ensures broad chemical compatibility for use with oils (new & used), engine coolants (RTU), diesel, oily water, and selected chemicals. All pumps are fully repairable, with spare parts and service kits readily available.

  • Macnaught Air Operated Diaphragm Pump 1/2" DDP13 (42 LPM) Title: Default Title
    $999.00 - $999.00
    $999.00
    $1,309.28
    $1,309.28 - $1,309.28
    $1,309.28

    Macnaught DDP13 15mm Air Operated Diaphragm Pump (Max 40LPM)

    Macnaught DDP13 15mm Air Operated Diaphragm Pump (Max 40LPM)  DOWNLOAD PRODUCT BROCHURE  DOWNLOAD INSTRUCTION & OPERATING MANUAL T...

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  • Macnaught Air Operated Diaphragm Pump 3/4" DDP19 (45 LPM) Title: Default Title
    $1,199.00 - $1,199.00
    $1,199.00
    $1,571.39
    $1,571.39 - $1,571.39
    $1,571.39

    Macnaught DDP19 20mm Air Operated Diaphragm Pump (Max 45LPM)

    Macnaught DDP19 20mm Air Operated Diaphragm Pump (Max 45LPM)  DOWNLOAD PRODUCT BROCHURE  DOWNLOAD INSTALLATION & OPERATING MANUAL ...

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  • Macnaught Air Operated Diaphragm Pump 1 1/2" DDP38 (265 LPM) Title: Default Title
    $2,332.20 - $2,332.20
    $2,332.20
    $3,056.54
    $3,056.54 - $3,056.54
    $3,056.54

    Macnaught DDP38 40mm Air Operated Diaphragm Pump (Max 265LPM)

    Macnaught DDP38 40mm Air Operated Diaphragm Pump (Max 265LPM)  DOWNLOAD PRODUCT BROCHURE  DOWNLOAD INSTALLATION AND OPERATIONS MANUAL ...

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  • Macnaught Air Operated Diaphragm Pump 1" DDP25 (174 LPM) Title: Default Title
    $1,662.45 - $1,662.45
    $1,662.45
    $2,178.79
    $2,178.79 - $2,178.79
    $2,178.79

    Macnaught DDP25 25mm Air Operated Diaphragm Pump (Max 175LPM)

    Macnaught DDP25 25mm Air Operated Diaphragm Pump (Max 175LPM)  DOWNLOAD PRODUCT BROCHURE  DOWNLOAD INSTALLATION & OPERATIONS MANUAL ...

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  • $0.00 - $0.00
    $0.00
    $0.00 - $0.00
    $0.00

    Macnaught DDP75AN 80mm High Flow Air Operated Diaphragm Pump (Max 1050LPM)

    Macnaught DDP75AN 80mm High Flow Air Operated Diaphragm Pump (Max 1050LPM)  DOWNLOAD PRODUCT BROCHURE  DOWNLOAD CHEMICAL COMPATIBILITY ...

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  • $0.00 - $0.00
    $0.00
    $0.00 - $0.00
    $0.00

    Macnaught DDP50AN 50mm High Flow Air Operated Diaphragm Pump (Max 800LPM)

    Macnaught DDP50AN 50mm High Flow Air Operated Diaphragm Pump (Max 800LPM)  DOWNLOAD PRODUCT BROCHURE  DOWNLOAD CHEMICAL COMPATIBILITY ...

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  • $0.00 - $0.00
    $0.00
    $0.00 - $0.00
    $0.00

    Macnaught DDP38AN 40mm High Flow Air Operated Diaphragm Pump (Max 600LPM)

    Macnaught DDP38AN 40mm High Flow Air Operated Diaphragm Pump (Max 600LPM)  DOWNLOAD PRODUCT BROCHURE  DOWNLOAD CHEMICAL COMPATIBILITY ...

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  • $0.00 - $0.00
    $0.00
    $0.00 - $0.00
    $0.00

    Macnaught DDP25SW 25mm High Flow Air Operated Double Diaphragm Pump (Max 180LPM)

    Macnaught DDP25SW 25mm High Flow Air Operated Double Diaphragm Pump (Max 180LPM)  DOWNLOAD PRODUCT BROCHURE  DOWNLOAD CHEMICAL COMPATIBILI...

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  • $0.00 - $0.00
    $0.00
    $0.00 - $0.00
    $0.00

    Macnaught DD25AN 25mm High Flow Air Operated Diaphragm Pump (Max 220LPM)

    Macnaught DD25AN 25mm High Flow Air Operated Diaphragm Pump (Max 220LPM)  DOWNLOAD PRODUCT BROCHURE  DOWNLOAD CHEMICAL COMPATIBILITY ...

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  • $0.00 - $0.00
    $0.00
    $0.00 - $0.00
    $0.00

    Macnaught DD19GN 20mm High-Flow Air-Operated Diaphragm Pump (Max 130LPM)

    Macnaught DD19GN 20mm High-Flow Air-Operated Diaphragm Pump (Max 130LPM)  DOWNLOAD PRODUCT BROCHURE  DOWNLOAD CHEMICAL COMPATIBILITY ...

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  • $0.00 - $0.00
    $0.00
    $0.00 - $0.00
    $0.00

    Macnaught DDP13PN 15mm High-Flow Air-Operated Diaphragm Pump (Max 60LPM)

    Macnaught DDP13PN 15mm High-Flow Air-Operated Diaphragm Pump (Max 60LPM)  DOWNLOAD PRODUCT BROCHURE  DOWNLOAD CHEMICAL COMPATIBILITY ...

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  • Macnaught Air Operated Diaphragm Pump 2" DDP50 (598 LPM) Title: Default Title
    $3,250.00 - $3,250.00
    $3,250.00
    $4,259.40
    $4,259.40 - $4,259.40
    $4,259.40

    Macnaught DDP50 50mm Air Operated Diaphragm Pump (Max 600LPM)

    Macnaught DDP50 50mm Air Operated Diaphragm Pump (Max 600LPM)   DOWNLOAD PRODUCT BROCHURE  DOWNLOAD INSTALLATION & OPERATING MANUAL ...

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