Key Instruments manufactures precision machined acrylic flow meters, molded plastic flow meters, glass tube flow meters, flow control valves, and other products for a wide variety of markets such as medical, industrial, chemical, semiconductor, water, the laboratory, and more

Key Instruments High Quality Liquid and Air Flow Instrumentation

Key Instruments, the leading flow meter manufacturer and rotameter manufacturer, provides customers with the liquid, gas, and air flow instrumentation solutions that help their products and systems run accurately, reliably, and efficiently. Based on the specific needs and requirements of your industry, our instrumentation technicians can design, manufacture, and assemble flow meters for stable, long-lasting flow measurement results.

Accurate Flow Instrumentation

At Key Instruments, we understand the needs of all the industries we serve. Although each industry is different the need for accuracy is the same. For this reason, we provide every customer with the flow instrumentation solutions that will deliver the most precise flow measurement readings.

From our work with every corner of the market, we understand what it means to supply you with the best possible flow instrumentation. From hospital operating room anesthesia delivery, to argon gas controlling in welding applications, to chlorine gas monitoring in industrial wastewater treatment plants; know that Key Instruments has been there for you in the past, and will continue to supply you with the best flow instrumentation possible.