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Help CenterSwimming Pool Liquid Chlorine Dosing System With Fully Automatic Control – Plug-Play Skid Unit
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Welcome to Tianjin ZhuoLiNeng (ZLN) Technology Co., Ltd. — a professional manufacturer of advanced water treatment equipment. Our Swimming Pool Liquid Chlorine Dosing System with Fully Automatic Control – Plug-Play Skid Unit is engineered to deliver precise, reliable, and hassle-free disinfection for commercial and residential swimming pools. As a factory with certification, we combine years of technical expertise with strict quality control to offer a solution that saves time, reduces chemical waste, and ensures water safety. This skid-mounted unit is ready to operate right out of the box — simply connect to power and piping, and let the intelligent controller handle the rest.
Product Features & Benefits
Fully Automatic Control: Integrated PLC controller with real-time chlorine level monitoring automatically adjusts dosing rate to maintain optimal residual chlorine (0.5-1.5 ppm). Eliminates manual adjustments and human error.
Plug-Play Skid Design: All components (dosing pump, tank, sensors, controller, piping) are pre-mounted on a compact corrosion-resistant skid. Installation requires only power supply and water inlet/outlet connections — no on-site assembly needed.
High Precision Dosing: Uses industrial-grade diaphragm metering pump with ±2% accuracy. Flow rate range: 1-100 L/h (customizable). Ensures consistent chemical addition even under varying pool load.
Durable Construction: Wetted parts made from UPVC, PP, or stainless steel 316 (optional) to withstand aggressive liquid chlorine (NaClO) up to 12% concentration. Long service life with minimal maintenance.
Safety Features: Includes low-level alarm, leak detection, automatic shut-off in case of pump failure, and emergency stop button. Meets international safety standards.
User-Friendly Interface: 7-inch touchscreen HMI displays current chlorine level, dosing rate, alarm history, and allows easy parameter adjustment. Multi-language support available.
Energy Efficient: Variable speed drive on pump motor reduces power consumption by up to 30% compared to constant speed units.
Technical Specifications
| Parameter | Value |
| Model | ZLN-2000 (custom model available) |
| Dosing Pump Type | Hydraulic diaphragm, mechanical diaphragm optional |
| Max Flow Rate | 100 L/h (customizable up to 500 L/h) |
| Chlorine Concentration | Up to 12% NaClO |
| Power Requirements | 220V/380V, 50/60 Hz, 3-phase (single-phase optional) |
| Control System | PLC + HMI touchscreen, PID control loop |
| Sensor | Free chlorine sensor (amperometric or ORP), flow switch |
| Material | UPVC/PP (standard) or SS316 (optional) |
| Operating Temperature | 5°C – 50°C |
| Skid Dimensions (L×W×H) | 900×600×1200 mm (customizable) |
| Weight | Approx. 80 kg (without chemical tank) |
Why Choose ZLN Dosing System?
Factory Direct – As a manufacturer, we offer competitive pricing and direct technical support. No middlemen.
Global Experience – Our products are exported to North America, South America, Europe, Southeast Asia, Africa, Oceania, Middle East, and many other regions, serving hundreds of pool operators worldwide.
Customization – Flow rate, power supply, material, and control logic can all be tailored to your specific pool volume and local conditions.
Easy Maintenance – Modular design allows quick replacement of pump heads and sensors. Spare parts are readily available.
Comprehensive Warranty – 12 months from shipment date, with remote diagnostics and online support.
Based in Tianjin, China, our factory operates under strict management system, ensuring consistent quality and on-time delivery. We have shipped over 500 units to clients in over 20 countries across 6 continents. Our skilled engineering team is ready to assist you with system sizing, installation guidance, and after-sales service.
Invest in the ZLN Liquid Chlorine Dosing Skid — a reliable partner for maintaining crystal-clear, safe swimming pool water. Contact us today for a quote or technical consultation. We are committed to long-term cooperation and customer satisfaction.
Frequently Asked Questions (FAQ)
Q: What type of chlorine can this system handle?
A: It is designed for liquid chlorine (sodium hypochlorite) with concentration up to 12%. For other chemicals like calcium hypochlorite or chlorine gas, please consult us for a customized solution.Q: Is the system truly plug-and-play?
A: Yes. The skid comes fully assembled and factory-tested. You only need to connect the power supply, water inlet/outlet, and the chlorine tank (which can be placed adjacent). Start-up takes less than an hour.Q: How do I set the desired chlorine level?
A: Through the touchscreen HMI, enter the target residual chlorine (default 1.0 ppm). The automatic PID controller will maintain that level by adjusting pump speed. The system also compensates for bather load and temperature changes.Q: What maintenance is required?
A: Periodically clean the chlorine sensor (recommended every 3 months), check pump oil level (if hydraulic diaphragm), and inspect piping for leaks. The system has self-diagnostic alerts to remind you.Q: Can I use this system for saltwater pools?
A: This unit is for dosing liquid chlorine directly. For saltwater pools that require a chlorinator, we have separate models. However, you can use this system to supplement chlorine in any pool type.Q: Does it include a storage tank for liquid chlorine?
A: Standard delivery does not include the chemical tank, but we can supply a compatible 200L HDPE tank as an optional accessory. The skid has a mounting plate for the tank.Q: What is the typical delivery time?
A: For standard configurations, 15-20 working days after order confirmation. Custom orders may take 25-30 days depending on complexity.Q: Can I get a sample or test the unit before purchase?
A: Yes, we welcome factory visits and can arrange a demonstration. For overseas clients, we can provide videos and technical data. Sample orders are available for evaluation.
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