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Selection guides, maintenance notes and application stories

Selection Guide

How to Select a Metering Pump: Flow, Pressure and Materials

A practical guide to the three key factors in metering pump selection — flow rate, pressure and wetted materials — and when to choose solenoid vs mechanical diaphragm pumps.

Maintenance

Complete Daily Maintenance Guide for Metering Pumps

Daily checklists, wear-part replacement cycles and care tips to extend pump life and keep dosing accuracy.

Maintenance

How to Replace a Metering Pump Diaphragm

Step-by-step diaphragm replacement for solenoid and mechanical metering pumps, with common mistakes to avoid.

Technical Articles

How to Calibrate an Online pH Analyzer and Troubleshoot Common Issues

Why regular calibration matters for online pH meters, the standard two-point calibration procedure, and fixes for drifting or slow readings.

Technical Articles

Common Metering Pump Faults and Fixes

No flow, insufficient output, noise or leaks — causes and quick fixes for ten common metering pump faults.

Technical Articles

Online Residual Chlorine Monitoring: Key Points

Constant-pressure vs reagent-based chlorine analyzers: differences, sampling requirements and selection tips.

Applications

Automating Chemical Dosing in Wastewater Treatment Plants

By interlocking metering pumps with online water quality analyzers, plants can achieve closed-loop dosing of PAC and sodium hypochlorite — lower chemical costs and stable effluent.

Technical Articles

Online Turbidity Monitoring in Water Treatment

Turbidity analyzer principles, range selection and typical applications in plant water, membrane protection and effluent monitoring.

Technical Articles

Conductivity Monitoring for Cooling Water Cycles

Calculate cycles of concentration from online conductivity and interlock blowdown with dosing to save water and chemicals.

Technical Articles

ORP vs Residual Chlorine: Differences and How to Combine Them

ORP reflects oxidizing power while chlorine reflects dosage — how to choose and combine them.

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