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Help CenterSEKO Metering Pump DMM Chemical Dosing Metering Pump
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As a trusted supplier of SEKO metering pumps, Rossonix Co., Limited presents the SEKO DMM Chemical Dosing Metering Pump – a reliable solution for precise chemical injection in water treatment, industrial processes, and agricultural applications. With over a decade of export experience and ISO9001 certified operations, we ensure that every pump delivers consistent performance, durability, and value. The DMM series is designed for demanding environments where accuracy and corrosion resistance are paramount.
Key Features and Benefits:
Robust Construction: The pump head is made from high-quality PP or PVDF material, offering excellent resistance to a wide range of chemicals, including acids, alkalis, and chlorine solutions.
High Precision Dosing: With an accuracy of ±1%, the DMM pump ensures exact chemical injection, reducing waste and optimizing process efficiency.
Simple Flow Adjustment: Both stroke length and stroke frequency can be manually adjusted, providing fine control over the flow rate without the need for complex electronics.
Low Maintenance Design: The diaphragm pump mechanism eliminates the need for seals, reducing leakage risks and maintenance downtime. The oil-free operation makes it ideal for clean environments.
Wide Range of Applications: Suitable for water treatment plants, chemical dosing systems, cooling towers, swimming pools, and agricultural fertigation.
Flexible Mounting Options: Compact design allows for wall or pipe mounting, saving space in tight installations.
International Compatibility: Available in multiple voltage and frequency options to meet global standards (110V, 220V, 380V, 50/60Hz).
Technical Specifications:
| Model | Max Flow Rate (L/h) | Max Pressure (bar) | Power (W) | Connection |
|---|---|---|---|---|
| DMM 20 | 20 | 10 | 30 | 1/4" NPT |
| DMM 40 | 40 | 8 | 45 | 3/8" NPT |
| DMM 60 | 60 | 6 | 60 | 3/8" NPT |
Operating Principle: The DMM pump uses a reciprocating diaphragm mechanism driven by a motor. The stroke length is adjustable from 0 to 100% via a manual knob, and the stroke frequency can be set from 0 to 100% using a potentiometer. This allows flow rates from near zero to maximum without changing the pump head. The self-priming ability ensures reliable operation even with suction lift up to 2 meters.
Why Choose Rossonix for SEKO DMM Pumps?
Established in 2011, we have over a decade of experience in exporting metering pumps to global markets.
Our ISO9001 certified quality management system ensures that every pump meets strict quality standards.
We offer flexible shipping options from Shenzhen, Hong Kong, and Europe, with annual export value exceeding US$5 million.
Our dedicated team of 11-50 employees provides responsive customer support and technical advice.
We maintain a wide inventory of spare parts and accessories to ensure minimal downtime for your operations.
Customization options are available upon request, including different voltage, material, and connector configurations.
Trusted by customers across North America, South America, Europe, Asia, Oceania, and the Middle East, the SEKO DMM pump is a proven choice for reliable chemical dosing. Contact Rossonix today to request a quote or learn more about how this pump can optimize your process.
Frequently Asked Questions (FAQ)
Q: What chemicals can be dosed with the SEKO DMM pump?
A: The pump is compatible with many non-abrasive liquids, including acids, alkalis, chlorine, sodium hypochlorite, ferric chloride, polymers, and water treatment chemicals. For aggressive chemicals, a PVDF pump head is recommended.
Q: How do I adjust the flow rate?
A: Flow rate is adjusted by changing the stroke length (via a manual knob) and/or the stroke frequency (via a potentiometer). The combination provides a wide range of dosing outputs.
Q: What is the maximum pressure the pump can handle?
A: Depending on the model, the maximum pressure ranges from 6 to 10 bar. Please refer to the technical specifications table above for exact values.
Q: Is the pump self-priming?
A: Yes, the DMM pump has self-priming capability with a maximum suction lift of 2 meters. It is recommended to install the pump as close to the liquid source as possible.
Q: What maintenance is required?
A: The pump requires minimal maintenance. Periodically check the diaphragm for wear, clean the inlet filter, and ensure the motor is free from dust. The oil-free design reduces the need for lubrication.
Q: Can I get a customized voltage or plug type?
A: Yes, we offer various voltage options (110V, 220V, 380V, 50/60Hz) and plug types to match your local electrical standards. Please specify your requirements when ordering.
Q: Do you provide spare parts and accessories?
A: Yes, we stock a full range of spare parts including diaphragms, valves, gaskets, and motor components. Accessories such as foot valves, injection valves, and tubing are also available.
Q: What is the warranty period?
A: Standard warranty is 12 months from the date of shipment. Extended warranty options are available upon request.
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