High Accuracy Test, Pressure and Vacuum Gauges and Calibrators.

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Wallace & Tiernan designs and manufactures a broad range of water and wastewater treatment systems. They offer the most comprehensive line of disinfection/chlorination equipment available, as well as analytical instrumentation and controls, chemical-metering pumps, dry feeders, flowmeters and systems.

Liquid Metering
The complete line of diaphragm-metering pumps can be used for both municipal and industrial liquid chemical-feed applications.

Analytical Instruments
Precisely engineered water quality monitors and gas sensors/monitors.

Controls
A full line of process Fcontrollers, automatic controls for gas feeders and metering pumps.

Flowmeters
Highly reliable flow-measurement equipment and accessories for liquids and gases.

Systems
Custom pre-engineered and prepackaged systems for disinfection and chemical-feed applications.

Precision Pressure
Contact us for more information about precision pressure instruments.