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Pressure Measurement - ISI Sales

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Pressure management is a critical aspect of industrial processing. The ISI team leverages both their expertise in pressure instrumentation and the needs of aerospace, energy, municipal, food, beverage, chemical, and pulp and paper industries, delivering pressure transmitters, switches and gauges that meet the accuracy and reliability your process demands.

SOR Measurement & Control

SOR manufactures high-quality pressure and level-measuring instruments for industrial service, with products suitable for a broad range of safety systems, control processes, and related applications.


Fairchild pneumatic regulators are available as precision pressure regulators, back pressure regulators, miniature regulators, filter service regulators, stainless steel regulators, motorized regulators, low pressure regulators and specialty regulators.

A Test Kit for Every Preference

For the past 30 years Mid-West Instrument has been producing Quality Backflow Test Kits. Their Model 830 has been the benchmark of the industry for decades. Constant input from field testers led to refinements such as inline filters, laminated test procedures, removable lids, soft seated needle valves & line pressure gauges.

Further input testing and updated technology led to the portable Model 844. The culmination of all this development has resulted in Mid-West’s newest product offering, the Model 845. This new model features all the benefits you’ve come to expect from our kits and is available in 5-valve, 3-valve and 2-valve configurations. The addition of the Model 845 to our product lineup truly allows Mid-West to offer “A Test Kit for Every Preference”!

Contact a Dedicated ISI Representative

ISI has developed an extensive product offering through partnerships with industry leading manufacturers. With extensive experience in instrumentation applications, count on us to meet your needs while improving your facility’s operation and efficiency.