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FREE SHIPPING ON ORDERS OVER $100 AUSTRALIA-WIDE* (T&C's Apply - exc Bulky Items)
FREE SHIPPING ON ORDERS OVER $100 AUSTRALIA-WIDE* (T&C's Apply - exc Bulky Items)

Grundfos Manual Dosing Pumps – Fixed Dose Rate (-B Models)

This collection showcases Grundfos diaphragm dosing pumps with manual control and fixed dose rate functionality, perfect for applications where consistent and steady chemical dosing is required. Designed for simplicity and reliability, these pumps maintain a constant dose regardless of system changes in pressure or flow, ensuring repeatable and accurate chemical injection every time.

These fixed-rate manual dosing pumps are ideal for use in water treatment, food processing, industrial manufacturing, and agriculture, where flow-proportional dosing isn't necessary but dependable delivery is essential.

Models in this range include:

  • Grundfos DDE-B – Compact and economical with basic manual control
  • Grundfos DMX-B – Medium capacity diaphragm dosing with rugged performance
  • Grundfos DMH-B – High-pressure diaphragm dosing for demanding applications

Built with Grundfos Digital Dosing™ technology, these pumps deliver smooth, pulse-free operation with long service life and low maintenance.

All models ship free Australia-wide, with expert technical support from Land & Water Technology.

  • Original price $1,100.00 - Original price $1,635.00
    Original price
    From $1,100.00
    $1,100.00 - $1,635.00
    Current price $1,100.00

    Grundfos DDE 15-4 B Manual Speed Controlled Diaphragm Dosing Pump (Max 15LPH/400kPa)

    Grundfos DDE 15-4 B Speed Controlled Diaphragm Dosing Pump (Max 15LPH/400kPa)  DOWNLOAD PRODUCT BROCHURE The Grundfos DDE 15-4 B Digital Di...

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  • Grundfos DMX 221-B Mechanical Diaphragm Dosing Pump Product Name: DMX 16-12 - 16L/H (12 Bar) - 1x 220/240V, DMX 27-12 - 27L/H (12 Bar) - 1x 220/240V, DMX 50-10 - 50L/H (10 Bar) - 1x 220/240V, DMX 115-3 - 115L/H (3 Bar) - 1x 220/240V, DMX 16-12 - 16L/H (12 Bar) - 3x 230/400V, DMX 27-12 - 27L/H (12 Bar) - 3x 230/400V, DMX 50-10 - 50L/H (10 Bar) - 3x 230/400V, DMX 115-3 - 115L/H (3 Bar) - 3x 230/400V
    Original price $2,305.00 - Original price $3,825.00
    Original price
    From $2,305.00
    $2,305.00 - $3,825.00
    Current price $2,305.00

    Grundfos DMX 221-B Mechanical Diaphragm Dosing Pump (Manual)

    Grundfos DMX 221-B Mechanical Diaphragm Dosing Pump DOWNLOAD PRODUCT BROCHURE The Grundfos DMX 221-B Mechanical Diaphragm Dosing Pump is a ro...

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  • Grundfos DMX 226-B Mechanical Diaphragm Dosing Pump Product Name: DMX 132-10 - 132L/H (10 Bar) - 1x 230V, DMX 199-8 - 199L/H (8 Bar) - 1x 230V, DMX 280-8 - 280L/H (8 Bar) - 1x 230V, DMX 321-6 - 321L/H (6 Bar) - 1x 230V, DMX 132-10 - 132L/H (10 Bar) - 3x 230/400V, DMX 199-8 - 199L/H (8 Bar) - 3x 230/400V, DMX 280-8 - 280L/H (8 Bar) - 3x 230400/V, DMX 321-6 - 321L/H (6 Bar) - 3x 230/400V, DMX 460-6 - 460L/H (6 Bar) - 3x 230/400V, DMX 525-3 - 525L/H (3 Bar) - 3x 230/400V, DMX 765-3 - 765L/H (3 Bar) - 3x 230/40
    Original price $5,440.00 - Original price $6,950.00
    Original price
    From $5,440.00
    $5,440.00 - $6,950.00
    Current price $5,440.00

    Grundfos DMX 226-B Mechanical Diaphragm Dosing Pump (Manual)

    Grundfos DMX 226-B Mechanical Diaphragm Dosing Pump with External Motor DOWNLOAD PRODUCT BROCHURE The Grundfos DMX 226-B Mechanical Diaphragm...

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  • Grundfos DMH 251-B Hydraulic Piston Diaphragm Dosing Pump Product Name: DMH 5-10 - 5L/H (10 Bar) 3 Phase, DMH 13-10 - 13L/H (10 Bar) 3 Phase, DMH 19-10 - 19L/H (10 Bar) 3 Phase, DMH 24-10 - 24L/H (10 Bar) 3 Phase, DMH 4,9-16 -4,9L/H (16 Bar) 3 Phase, DMH 12-16 - 12L/H (16 Bar) 3 Phase, DMH 18-16 - 18L/H (16 Bar) 3 Phase, DMH 23-16 - 23L/H (16 Bar) 3 Phase
    Original price $6,900.00 - Original price $6,900.00
    Original price
    $6,900.00
    $6,900.00 - $6,900.00
    Current price $6,900.00

    Grundfos DMH 251-B Hydraulic Piston Diaphragm Dosing Pump (Manual)

    Grundfos DMH 251-B Hydraulic Piston Diaphragm Dosing Pump 3 Phase with External Motor  DOWNLOAD PRODUCT BROCHURE The Grundfos DMH 251-B Hyd...

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  • Grundfos DDE (XL)-B Speed Controlled Diaphragm Dosing Pump Product Name: DDE 60-10 60L/H 10B XS (99246457), DDE 120-7 120L/H 7B XM (99246459), DDE 200-4 200L/H 4B XL (99246460)
    Original price $4,430.00 - Original price $5,650.00
    Original price
    From $4,430.00
    $4,430.00 - $5,650.00
    Current price $4,430.00

    Grundfos DDE (XL)-B Series Smart Digital Diaphragm Dosing Pump with Manual Speed Control

    Grundfos DDE (XL)-B Speed Controlled Diaphragm Dosing Pump PLEASE NOTE:  INSTALLATION KIT NOT INCLUDED WITH THIS PUMP - PLEASE CLICK HERE TO P...

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