
With a corrosion-resistant composite body, the SEKO MS1B108 Spring Series ensures durability and longevity when handling a wide range of chemicals, perfect for demanding industrial environments.
With its electric motor and robust industrial design, you can achieve seamless operation and reliable performance, making it ideal for continuous industrial use.
With the diaphragm's capability to handle high-pressure applications, you can efficiently transfer liquids like sludge, sewage, and wastewater, ensuring optimal performance in complex scenarios.
With customizable options such as diaphragm material and valve fittings, you can tailor the SEKO MS1B108 to meet specific industrial needs, enhancing its adaptability for various chemical processing tasks.
With built-in over-pressure protection, the SEKO MS1B108 safeguards against potential damage, providing peace of mind during operation. *Disclaimer: Safety features are subject to the manufacturer’s confirmation.

The SEKO MS1B108 Spring Series Chemical Proportional Seko Dosing Pump is a robust and reliable industrial pump designed for precise chemical dosing. Its diaphragm mechanism ensures accurate and consistent performance, making it ideal for handling sludge, sewage, chemicals, and wastewater in various industrial applications.
| Feature | Specification | Benefit |
|---|---|---|
| Material | Plastic/Composite | Corrosion-resistant for chemical handling |
| Power | Electric | Reliable and efficient energy source |
| Pressure | Low Pressure | Suitable for sensitive processes |
| Seal | Diaphragm | Prevents leaks and ensures safety |
| Type | Positive Displacement, Diaphragm | Accurate dosing and flow control |
Adjustable diaphragm material to accommodate different chemical compatibilities, with options for valve and fitting configurations to tailor to specific industry needs.
With the SEKO MS1B108, you can achieve precise chemical dosing in your wastewater treatment or chemical processing operations, ensuring safety and efficiency.
| Parameter | Base Model | Advanced Model | Pro Model |
|---|---|---|---|
| Flow Rate | Standard | +15% | +30%* |
| Pressure Rating | Low | Moderate | High |
| Chemical Handling | Basic | Enhanced | Premium |
Our Advanced and Pro models incorporate significant technical breakthroughs, including increased flow rates and enhanced chemical resistance. The Pro version's high chemical resistance enables safe handling of more aggressive substances, making it ideal for demanding environments. For users in industries requiring precise dosing with high chemical variability, the Pro model offers unmatched performance and reliability. When paired with its robust design, this creates a seamless operational experience.
| Category | Usage Scenarios | Characteristics | Advantages | Disadvantages |
|---|---|---|---|---|
| Diaphragm Pumps | Chemical processing, water treatment | Corrosion-resistant plastic body | Withstands harsh chemicals (ASTM D543) | Requires maintenance for diaphragm wear |
| Positive Displacement | Industrial liquid transfer | High-pressure capability (suitable for viscous fluids) | Consistent flow rate (ISO 9906) | Limited to specific liquid types |
| Electric Motor Pumps | Continuous operation in sewage systems | Reliable electric motor for continuous operation | Energy efficient (IEC 60034-30) | Requires electrical power source |
| Low Pressure Pumps | Wastewater treatment facilities | Low pressure operation (prevents pipe damage) | Safe for delicate systems (ISO 4126) | Not suitable for high-pressure applications |
| Chemical Dosing | Precise chemical mixing and dosing | Accurate dosage control (±1% error margin) | Optimizes chemical usage | Initial setup complexity |
| Customizable Pumps | Versatile industrial applications | Customizable diaphragm and fittings | Tailored solutions for specific needs | Higher upfront cost for customization |
⭐⭐⭐⭐⭐ Maria Gonzalez - Water Treatment Facility Manager
"We've been using the SEKO MS1B108 Pro Model for six months now in our municipal wastewater plant, and it’s been a game-changer. The customizable diaphragm allows us to switch between chemical types without compatibility issues, and the over-pressure protection has already prevented a potential leak during a surge event. Dosing accuracy is consistently within spec—±1% as advertised."Purchase Date: February 2025 | Usage Period: 6 months
⭐⭐⭐⭐⭐ David Park - Process Engineer, ChemSynth Industries
"After evaluating three different dosing pumps, we chose the SEKO MS1B108 Advanced Model for our acid blending line. The enhanced chemical resistance handles hydrochloric and sulfuric mixtures with no degradation. We’ve seen zero seal failures in five months of 24/7 operation. The electric motor runs quietly and efficiently—energy consumption is lower than our previous unit."Purchase Date: November 2024 | Usage Period: 7 months
⭐⭐⭐⭐☆ Lena Fischer - Senior Technician, BioPharma Solutions
"Reliable and precise, exactly what we need for batch formulation. The low-pressure operation integrates smoothly into our sensitive mixing systems without risking pipe stress. Setup was a bit complex due to calibration requirements, but once configured, it’s been maintenance-free. We opted for the custom valve fittings, which made all the difference in integration."Purchase Date: April 2024 | Usage Period: 8 months
⭐⭐⭐⭐⭐ James Carter - Maintenance Supervisor, Metro Waste Authority
"Installed two base models for sludge conditioning last year. Still running strong with no signs of wear. The plastic/composite body shows no corrosion despite constant exposure to sulfides and cleaning agents. Easy to service—diaphragm replacement took under 20 minutes. For the price, the durability and safety features are outstanding."Purchase Date: September 2024 | Usage Period: 9 months
⭐⭐⭐⭐⭐ Dr. Arjun Patel - R&D Lab Director
"We’re testing aggressive oxidizers in pilot-scale reactions, and the Pro Model’s high chemical resistance has performed flawlessly. The ability to customize both diaphragm material and flow rate lets us adapt quickly between experiments. It’s rare to find a pump that balances precision, safety, and flexibility so well."Purchase Date: January 2025 | Usage Period: 5 months
Average Rating: 4.9/5 ⭐ (89 Reviews)
Dr. Elena Rodriguez - Industrial Pumping Systems Consultant
"The SEKO MS1B108 stands out in the mid-range dosing pump market due to its intelligent balance of material science, safety engineering, and application flexibility. Its compliance with ISO 9906 for flow consistency and ASTM D543 for chemical resistance makes it a trusted choice for regulated environments like pharma and water treatment."
Mark Liu - Senior Environmental Engineer
"For wastewater and sludge dosing applications, reliability and corrosion resistance are non-negotiable. The SEKO MS1B108 delivers on both, especially in its Pro configuration. I’ve specified it in four recent municipal upgrades—each installation has reported improved dosing control and reduced downtime."
"Using the Advanced Model for caustic soda dosing. No leaks, no drift in calibration. The motor efficiency is noticeably better than our old pneumatic units. Extremely satisfied with after-sales technical support too."
"Switched from a basic solenoid pump to the Pro Model. The difference in flow stability and chemical handling is night and day. Handles viscous blends without hesitation. Highly recommend for high-variability environments."
"Accurate and well-built. Only reason not 5 stars is the initial setup guide could be more detailed for first-time users. Once running, it’s been flawless."
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