About Us

TJ Williams Ltd was formed 150 years ago to supply nautical instruments and charts to the thriving shipping industry in South Wales. Today, T J Williams Instrumentation is a manufacturer of mechanical pressure gauges including Test Gauges, Tank Contents Gauges, Low-pressure Capsule Gauges, and Chemical Seals. TJ Williams Instrumentation also offers a comprehensive Calibration and Repair service on all types of Pressure, Temperature, Level, and Flow Instrumentation.

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