DAEHAN INSTRUMENT

ISO 9001/14001 Certified Manufacturer | Precision Flow Measurement Solutions

Global Leader in Precision Flow Measurement

Since 1989, Daehan Instrument has been providing high-precision differential pressure flow meters compliant with ISO 5167 standards to customers worldwide. Our products are widely used in petrochemical, power, and water treatment industries.

Main Products

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Orifice Flow Meter

Compliant with ISO 5167-2 standard, 0.5% accuracy, suitable for various fluid measurements. Available in flange tap, corner tap, and other configurations.

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Venturi Tube

Classic Venturi design, low pressure loss, excellent long-term stability. Compliant with ISO 5167-4 standard, ideal for large flow measurements.

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Flow Nozzle

ISA 1932 nozzles and long radius nozzles, suitable for high temperature and pressure steam measurement. High accuracy, long service life.

Certifications & Qualifications

ISO 9001:2015
ISO 14001:2015
ISO 5167
Made in Korea