Petrochemical Industry | Applications

Key Process Applications

Flow measurement solutions optimized for every process, from crude refining to petrochemical production

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Crude Oil Refining

Feed and product flow measurement for atmospheric (CDU) and vacuum (VDU) distillation units

High-temperature crude flow measurement (350°C)
Fractionated product flow control
Residue processing systems
Compliant with API 21.1

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Reforming & Cracking Processes

Precise control of naphtha reforming and fluid catalytic cracking (FCC) processes

Hydrogen recycle flow measurement
Catalyst circulation systems
High-pressure steam flow control
Explosion-proof certified products

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Desulfurization & Treatment Processes

Environmental compliance processes such as hydrodesulfurization (HDS) and amine treating

Measurement of H2S-containing fluids
Amine circulation systems
Acid gas treatment
Corrosion-resistant materials

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Olefin Production

Flow control for basic petrochemical production such as ethylene and propylene

Naphtha cracking process
Quench oil circulation systems
Separation and purification processes
Cryogenic flow measurement

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Utility Systems

Optimization of utility systems such as steam, cooling water and compressed air

HP / MP / LP steam
Cooling water circulation systems
Instrument air supply
Wastewater treatment systems

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Storage & Shipping

Accurate metering for product storage tanks and loading systems

Custody transfer metering
Tank inventory management
Loading / unloading systems
Legal metrology certification

Process Optimization Solutions

We provide the right solution for each process, based on 35 years of field experience

Site Survey

Process analysis and requirements review

Design & Engineering

Specification selection and detailed design

Manufacturing & Quality Inspection

Precision manufacturing and strict quality control

Installation & Commissioning

On-site support by experienced engineers

Maintenance

Regular inspection and 24/7 technical support

Technical Specifications

Product specifications suited to the severe operating conditions of the petrochemical industry

Item	Specification	Applicable Standards
Operating Pressure	Up to 420 bar (6,000 PSI)	ASME B16.5 / B16.47
Operating Temperature	-196°C ~ +650°C	ASME B31.3
Measurement Accuracy	±0.5% of Reading	ISO 5167 / API MPMS
Materials	316L SS, Hastelloy C, Monel, Inconel	NACE MR0175 / MR0103
Connections	Flange (RF, RTJ), Weld End	ASME B16.5 / B16.25
Explosion-proof Certification	Ex d IIC T6 Gb	IECEx / ATEX
Quality Certification	EN 10204 3.1 Certificate	ISO 9001:2015

Selected Project References

Successful projects with major petrochemical companies in Korea and abroad

Major Korean Refinery A

CDU/VDU Process Improvement Project

Improved process efficiency and energy savings through full replacement of feed/product flow meters on the atmospheric and vacuum distillation units

Accuracy Improvement +25%

Energy Savings KRW 300 million / year

Maintenance Cost -40%

Global Petrochemical Company B

New Ethylene Plant Construction

Supplied all flow meters and supported commissioning for a 1 million t/y ethylene plant, completing the project successfully

Quantity Supplied 450 units

Project Duration 18 months

Availability 99.8%

Middle East Refinery C

Desulfurization Unit Modernization

Supplied H2S-resistant special flow meters for a desulfurization unit modernization project driven by stricter environmental regulations

Sulfur Content Reduction Below 10 ppm

Equipment Life 15-year warranty

ROI 2.5 years

Daehan Instruments

Petrochemical Industry Solutions