About Lambda Square

Lambda Square – Decades of Fluid Metering Experience

Lambda Square provides complete flow measurement systems for gas, liquid and steam flow measurement. Secondary instrumentation is available including indicating gauges, manifolds, transmitters, recorders, and totalizers with a complete line of options.

Lambda Square, Inc. specializes in the manufacture of differential pressure flow measurement equipment including venturi meters, orifice plates and orifice flanges, meter tubes, orifice holding blocks, orifice restriction unions, sanitary plates, single and dual chamber fittings, ASME flow nozzles, manifolds, straightening vanes, elbow flow meters, seal pots and many other liquid, gas and steam control products. Please contact Lambda Square with any questions concerning design and custom manufacture.

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Engineering, design and application support.


Fabricated to your requirements.


Differential flow metering for over 35 years.


Thousands of worldwide installations.