EWP-L Series Electronics Metering Pumps

Engineered for reliable, versatile chemical dosing, the Walchem EWP L metering pump combines precise flow control with straightforward operation for a wide range of chemical injection applications. The pump supports external analog control, simple digital pulse input, and manual control, with an 1800:1 turndown ratio for flexible dosing adjustment.

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  • Walchem EWP-265ESH10K-UHL Pump, 4.2 GPH, 30 PSI, 230V

    Walchem

    Walchem EWP-265ESH10K-UHL Pump, 4.2 GPH, 30 PSI, 230V

    $1,335.00
    Engineered for both reliability and versatility, the EWP-L features external analog and simple digital pulse input control as well as manual control with an 1800:1 turndown ratio. Its high-speed 360...
    $1,335.00

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  • Walchem EWP-125DPC07N-UHL Pump, 2 GPH, 60 PSI, 230V

    Walchem

    Walchem EWP-125DPC07N-UHL Pump, 2 GPH, 60 PSI, 230V

    $543.00
    Engineered for both reliability and versatility, the EWP-L features external analog and simple digital pulse input control as well as manual control with an 1800:1 turndown ratio. Its high-speed 360...
    $543.00

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  • Walchem EWP-130DTA07N-UHL Pump, 2.1 GPH, 105 PSI, 230V

    Walchem

    Walchem EWP-130DTA07N-UHL Pump, 2.1 GPH, 105 PSI, 230V

    $1,077.00
    Engineered for both reliability and versatility, the EWP-L features external analog and simple digital pulse input control as well as manual control with an 1800:1 turndown ratio. Its high-speed 360...
    $1,077.00

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  • Walchem EWP-420FVE08N-UHL Pump, 6.7 GPH, 30 PSI, 230V

    Walchem

    Walchem EWP-420FVE08N-UHL Pump, 6.7 GPH, 30 PSI, 230V

    $895.00
    Engineered for both reliability and versatility, the EWP-L features external analog and simple digital pulse input control as well as manual control with an 1800:1 turndown ratio. Its high-speed 360...
    $895.00

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  • Walchem EWP-078DVE07C-UHL Pump, 1.2 GPH, 105 PSI, 230V

    Walchem

    Walchem EWP-078DVE07C-UHL Pump, 1.2 GPH, 105 PSI, 230V

    $934.00
    Engineered for both reliability and versatility, the EWP-L features external analog and simple digital pulse input control as well as manual control with an 1800:1 turndown ratio. Its high-speed 360...
    $934.00

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  • Walchem EWP-045BVF07N-UHL Pump, 0.7 GPH, 150 PSI, 230V

    Walchem

    Walchem EWP-045BVF07N-UHL Pump, 0.7 GPH, 150 PSI, 230V

    $504.00
    Engineered for both reliability and versatility, the EWP-L features external analog and simple digital pulse input control as well as manual control with an 1800:1 turndown ratio. Its high-speed 360...
    $504.00

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  • Walchem EWP-080CPC07N-UHL Pump, 1.3 GPH, 150 PSI, 230V

    Walchem

    Walchem EWP-080CPC07N-UHL Pump, 1.3 GPH, 150 PSI, 230V

    $770.00
    Engineered for both reliability and versatility, the EWP-L features external analog and simple digital pulse input control as well as manual control with an 1800:1 turndown ratio. Its high-speed 360...
    $770.00

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  • Walchem EWP-125DPA07N-UHL Pump, 2 GPH, 60 PSI, 230V

    Walchem

    Walchem EWP-125DPA07N-UHL Pump, 2 GPH, 60 PSI, 230V

    $625.00
    Engineered for both reliability and versatility, the EWP-L features external analog and simple digital pulse input control as well as manual control with an 1800:1 turndown ratio. Its high-speed 360...
    $625.00

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  • Walchem EWP-265EPE08N-UHL Pump, 4.2 GPH, 30 PSI, 230V

    Walchem

    Walchem EWP-265EPE08N-UHL Pump, 4.2 GPH, 30 PSI, 230V

    $596.00
    Engineered for both reliability and versatility, the EWP-L features external analog and simple digital pulse input control as well as manual control with an 1800:1 turndown ratio. Its high-speed 360...
    $596.00

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  • Walchem EWP-025AVE07N-UHL Pump, 0.4 GPH, 175 PSI, 230V

    Walchem

    Walchem EWP-025AVE07N-UHL Pump, 0.4 GPH, 175 PSI, 230V

    $504.00
    Engineered for both reliability and versatility, the EWP-L features external analog and simple digital pulse input control as well as manual control with an 1800:1 turndown ratio. Its high-speed 360...
    $504.00

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  • Walchem EWP-130DFC07N-UHL Pump, 2.1 GPH, 105 PSI, 230V

    Walchem

    Walchem EWP-130DFC07N-UHL Pump, 2.1 GPH, 105 PSI, 230V

    $979.00
    Engineered for both reliability and versatility, the EWP-L features external analog and simple digital pulse input control as well as manual control with an 1800:1 turndown ratio. Its high-speed 360...
    $979.00

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  • Walchem EWP-420FVC08N-UHL Pump, 6.7 GPH, 30 PSI, 230V

    Walchem

    Walchem EWP-420FVC08N-UHL Pump, 6.7 GPH, 30 PSI, 230V

    $895.00
    Engineered for both reliability and versatility, the EWP-L features external analog and simple digital pulse input control as well as manual control with an 1800:1 turndown ratio. Its high-speed 360...
    $895.00

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  • Walchem EWP-110DVE07A-UHL Pump, 1.7 GPH, 105 PSI, 230V

    Walchem

    Walchem EWP-110DVE07A-UHL Pump, 1.7 GPH, 105 PSI, 230V

    $924.00
    Engineered for both reliability and versatility, the EWP-L features external analog and simple digital pulse input control as well as manual control with an 1800:1 turndown ratio. Its high-speed 360...
    $924.00

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  • Walchem EWP-035BVE07A-UHL Pump, 0.6 GPH, 150 PSI, 230V

    Walchem

    Walchem EWP-035BVE07A-UHL Pump, 0.6 GPH, 150 PSI, 230V

    $624.00
    Engineered for both reliability and versatility, the EWP-L features external analog and simple digital pulse input control as well as manual control with an 1800:1 turndown ratio. Its high-speed 360...
    $624.00

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  • Walchem EWP-080CPA07N-UHL Pump, 1.3 GPH, 150 PSI, 230V

    Walchem

    Walchem EWP-080CPA07N-UHL Pump, 1.3 GPH, 150 PSI, 230V

    $851.00
    Engineered for both reliability and versatility, the EWP-L features external analog and simple digital pulse input control as well as manual control with an 1800:1 turndown ratio. Its high-speed 360...
    $851.00

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  • Walchem EWP-125DFC07N-UHL Pump, 2 GPH, 60 PSI, 230V

    Walchem

    Walchem EWP-125DFC07N-UHL Pump, 2 GPH, 60 PSI, 230V

    $727.00
    Engineered for both reliability and versatility, the EWP-L features external analog and simple digital pulse input control as well as manual control with an 1800:1 turndown ratio. Its high-speed 360...
    $727.00

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  • Walchem EWP-265EPC08N-UHL Pump, 4.2 GPH, 30 PSI, 230V

    Walchem

    Walchem EWP-265EPC08N-UHL Pump, 4.2 GPH, 30 PSI, 230V

    $596.00
    Engineered for both reliability and versatility, the EWP-L features external analog and simple digital pulse input control as well as manual control with an 1800:1 turndown ratio. Its high-speed 360...
    $596.00

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  • Walchem EWP-025AVC07A-UHL Pump, 0.3 GPH, 175 PSI, 230V

    Walchem

    Walchem EWP-025AVC07A-UHL Pump, 0.3 GPH, 175 PSI, 230V

    $614.00
    Engineered for both reliability and versatility, the EWP-L features external analog and simple digital pulse input control as well as manual control with an 1800:1 turndown ratio. Its high-speed 360...
    $614.00

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  • Walchem EWP-130DVE07N-UHL Pump, 2.1 GPH, 105 PSI, 230V

    Walchem

    Walchem EWP-130DVE07N-UHL Pump, 2.1 GPH, 105 PSI, 230V

    $804.00
    Engineered for both reliability and versatility, the EWP-L features external analog and simple digital pulse input control as well as manual control with an 1800:1 turndown ratio. Its high-speed 360...
    $804.00

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  • Walchem EWP-420FPE08N-UHL Pump, 6.7 GPH, 30 PSI, 230V

    Walchem

    Walchem EWP-420FPE08N-UHL Pump, 6.7 GPH, 30 PSI, 230V

    $895.00
    Engineered for both reliability and versatility, the EWP-L features external analog and simple digital pulse input control as well as manual control with an 1800:1 turndown ratio. Its high-speed 360...
    $895.00

    Add to Cart The item has been added

Operating at speeds up to 360 strokes per minute, the EWP L pump delivers consistent and repeatable chemical injection performance. Its robust priming capability and durable construction support dependable operation in demanding water and wastewater treatment environments.

Two intuitive control knobs provide quick and easy adjustment, while flow rates up to 6.7 GPH (25 L/h) and pressure capabilities up to 175 psi (12 bar) allow the pump to accommodate a broad range of dosing requirements. The Walchem EWP L metering pump is a cost-effective solution for applications requiring accurate chemical metering, operational flexibility, and reliable long-term performance.