The Shield

Power Generation

Cation Conductivity vs. Specific Conductivity

Conductivity useful as a general measure of stream water quality. Each stream has a relatively constant range of conductivity. Once a baseline is established, it can be compared with regular conductivity measures.
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Water/Wastewater

Beat Corrosion Every Step of the Way in Wastewater Treatment Plants

In wastewater treatment facilities, water + metal + oxygen = corrosion.

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Water/Wastewater

Repair vs. Replace Your Clarifier Drive

A clarifier drive unit supplies torque to rotate the rake arms through wastewater. Clarifier drives must be replaced or repaired over time for many reasons. Rebuild-it, a Sentry Equipment Service, has water and wastewater solutions to meet your needs and prevent downtime.

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Water/Wastewater

Why Do I Need a Diaphragm Pump?

What is a Diaphragm Pump? Designed by Dorr Oliver, the ODS Diaphragm Pump transfers slurry materials evenly and simply utilizing air. Each of these pumps can be automated to match your processing capacity to see maximum efficiency.

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Person welding

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