Water Treatment Dosing Pumps | Chemical Injection Systems

Intro: Achieve precise chemical dosing in water treatment with our professional chemical metering pumps. Accurate, reliable, and corrosion-resistant solutions for disinfection, pH adjustment, and coagulant dosing applications.

What Are Chemical Dosing Pumps?

Chemical dosing pumps, also known as metering pumps, are positive displacement pumps designed to deliver precise volumes of chemicals into water treatment systems with high accuracy and repeatability.

Core Functions:

• Precise Chemical Injection: Accurate flow control from ml/min to L/hr
• Process Optimization: Maintain ideal water treatment parameters
• Automated Operation: Integrated with system controls
• Safety Assurance: Leak-free and corrosion-resistant construction

5 Key Technologies in Chemical Dosing

1. Diaphragm Pump Technology

• Hydraulic or mechanical diaphragm designs
• Leak-free operation
• High chemical compatibility
• Long service life

2. Peristaltic Pump Systems

• No seals or valves
• Easy maintenance
• Excellent for abrasive chemicals
• Simple tube replacement

3. Solenoid-Driven Pumps

• Cost-effective solution
• Compact design
• Suitable for lower pressure applications
• Digital stroke control

4. Motor-Driven Pumps

• High pressure capability
• Continuous duty operation
• Precise stroke adjustment
• Robust construction

5. Smart Control Systems

• 4-20mA signal interface
• Digital flow adjustment
• Remote control capability
• Fault diagnosis features

Technical Specifications

Water Treatment Applications

1. Disinfection Systems

• Chlorine dosing
• Sodium hypochlorite injection
• Ozone system chemical feed
• UV pretreatment chemical addition

2. pH Adjustment

• Acid dosing (HCl, H2SO4)
• Caustic feeding (NaOH)
• pH neutralization systems
• Process water conditioning

3. Coagulation & Flocculation

• PAC dosing
• Aluminum sulfate injection
• Polymer preparation and feeding
• Clarifier chemical addition

4. Specialty Applications

• Antiscalant dosing for RO systems
• Corrosion inhibitor injection
• Nutrient addition in wastewater
• Heavy metal precipitation

Selection Guide

Choosing the Right Dosing Pump:

For High-Accuracy Applications:

• Digital metering pumps
• High-resolution stroke adjustment
• Advanced control systems

For Corrosive Chemicals:

• PVDF or Hastelloy construction
• Double diaphragm designs
• Leak detection systems

For Abrasive Chemicals:

• Peristaltic pump technology
• Easy replacement components
• Wear-resistant materials

Installation & Maintenance

Professional Installation:

• Proper mounting and alignment
• Correct piping configuration
• Electrical safety compliance
• Control system integration

Maintenance Schedule:

• Daily: Visual inspection and calibration check
• Weekly: Valve and seal inspection
• Monthly: Diaphragm/tube replacement
• Annually: Complete overhaul and testing

Smart Features & Controls

Advanced Control Options:

• Flow proportional dosing
• Multi-chemical sequencing
• Remote monitoring capability
• Automatic calibration

Safety Features:

• Leak detection systems
• Dry-run protection
• Over-pressure safety
• Chemical spill containment

Industry Compliance & Standards

Quality Certifications:

• ISO 9001 Manufacturing
• CE Marking
• UL Certification
• ATEX for hazardous areas

Performance Standards:

• Hydraulic Institute Standards
• ANSI/ISA dosing accuracy
• Chemical compatibility ratings
• Environmental compliance

Why Choose Our Chemical Dosing Pumps?

Quality Advantages:

✅ Precision engineering

✅ Corrosion-resistant materials

✅ Reliable performance

✅ Easy maintenance

✅ Global certifications

Service Benefits:

• 24-month warranty period
• Technical support
• Spare parts availability
• Application engineering