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Hitrol Level and Flow Instruments

DP Cone

As a leading manufacturer of level and flow meters in Korea, we at Haitrol prioritize research and development to secure world-class measurement and control technology. Our commitment to excellence allows us to provide top-quality products and technologies to esteemed clients, including Korea Hydro & Nuclear Power Co., Ltd., Korea Gas Corporation, and Korea Water Resources Corporation, as well as other large corporations, all backed by the highest reliability and best quality certifications.
 
We are not only expanding our exports by entering advanced markets such as Germany and the United States but are also dedicated to promoting our products globally. Over the past 50 years, Haitrol has grown into a pioneer in cutting-edge measurement and control technology.
 
With extensive experience, our executives and employees are committed to continuous technological innovation and a strong sense of mission in domestic R&D. As a forward-looking technology company, we strive to navigate the challenges of fierce international competition while contributing to the development of Korea's measuring instrument industry through solid and sustainable growth.
 


Hitrol Level Transmitter Technical Presentation

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Differential Pressure Type — IVCM Series

The IVCM Series is an innovative product designed to minimize leakage at the connection points during operation by incorporating the manifold valve, a crucial component of a differential pressure flow meter, as an integral part of the meter body, which also helps reduce construction costs and installation time.
 
Operation Principle
The IVCM Series installs a cone in the center of the fluid-flowing pipe, narrowing the area through which the fluid passes, and a pressure difference occurs between the front and back ends due to the cone.
 
A certain relationship (Bernoulli's principle) is established between this pressure difference (differential pressure) and the flow rate. Using this principle, the flow rate is proportional to the square root of the differential pressure, so the flow rate can be obtained by measuring the differential pressure.

INSTRUCTION MANUAL - IVCM Series

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Differential Pressure Type — HFV Series

The HFV features a V-shaped cone installed in the center of the pipe, allowing fluid to flow into the space between the cone and the inner surface of the pipe; the flow rate is calculated by measuring the resulting differential pressure. Since the HFV experiences lower differential pressure compared to an orifice under the same conditions (piping, diameter ratio, flow rate), it results in reduced permanent pressure loss, making it a more efficient option than other differential pressure flow meters.

Operation Principle
For HFV Series when a tightening device is installed in the middle of a pipe through which fluid flows to narrow the area through which the fluid passes, a pressure difference occurs before and after the device due to the resistance generated by the tightening device.
Using Bernoulli's principle, a relationship between differential pressure and flow rate can be derived, and this can be used to measure the flow rate.
 

 

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Differential Pressure Type — HFV-WM Series

The HFV-WM Series can change the flow range by replacing the cone without replacing the meter body, and is designed to be easily replaced in case of deformation of the cone due to excessive flow or impact of slug bundle.
It is easy to install in the form of a wafer, and all components are precision machined to ensure excellent measurement accuracy, and the soundness of the pressure part is secured as there are no welded parts.
 
Operation Principle
The HFV-WM Series installs a cone in the center of the fluid-flowing pipe, narrowing the area through which the fluid passes, and a pressure difference occurs between the front and back ends due to the cone.
 
A certain relationship (Bernoulli's principle) is established between this pressure difference (differential pressure) and the flow rate. Using this principle, the flow rate is proportional to the square root of the differential pressure, so the flow rate can be obtained by measuring the differential pressure.

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