Since 1946, Key Instruments has developed precision fluid measurement and control technology, with a focus on flow meters for air, water and gas applications. Its best-known 2500 Series uses precision-machined, unibody acrylic construction and can be adapted for project and OEM requirements through three levels of customization. The company also provides application expertise to help engineers configure flow, pressure and vacuum instrumentation for real-world process challenges.
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Hazardous Area Approvals
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Pressure Boundary Certifications
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Material Certifications
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Brooks InstrumentFounded in 1946 as a single instrumentation company, Brooks Instrument has built its identity around precision process measurement and control. Its instruments serve demanding manufacturing and laboratory applications, with a particularly large installed base of mass flow controllers and global support for customers in fields such as semiconductor production.334513HATFIELD, PA
Aalborg Instruments & Controls, IncFounded in 1972, Aalborg Instruments & Controls manufactures precision instruments for measuring and controlling gas flow, from thermal mass flow controllers to variable-area rotameters and valves. Its two-division operation also supports flow calibration, including NIST-traceable work and A2LA-accredited gas calibrations through the AALFA-KAL metrology laboratory. Aalborg has maintained ISO 9001 certification since 1995.ORANGEBURG, NY
Fluid Metering, IncSince 1959, Fluid Metering, Inc. has engineered and manufactured precision fluid-control pumps and metering systems, pioneering valveless rotating and reciprocating piston technology. Its pumps serve life-science OEMs, laboratories, and industrial applications, with newer designs such as the TRYTON delivering pulseless dispensing below one microliter. The company also provides application engineering, small-batch production, and rapid prototyping support for custom fluidic systems.SYOSSET, NY
BIFEstablished in 1853 as Builder’s Iron Foundry, BIF designs and manufactures venturi flow meters and rate-of-flow controllers for water, wastewater, gases, and other fluid applications. Its flow-measurement work dates to 1893, and decades of development around the Universal Venturi Tube have made that design the center of its product line. From Akron, BIF supplies custom venturi equipment to water markets worldwide.AKRON, OH