Since its founding, LHE has made tangible 
efforts, such as Business-University Joint Research to overcome restrictions in using the existing plate heat exchangers at high temperatures and pressures, and to develop more effi cient heat exchangers based on the accumulated technologies.
As a result of these ceaseless and various eff orts, it could secure 25,000ton and 50,000 ton hydraulic presses, creating a world-class production facility, with its own technology.
On the way from its origins as a small venture business, LHE won a hard-to-get order (Crystalizer Reactor and Heating & Cooling Device) without an appropriate production facility, but only with its pure technology and customers’ trust. It has been able to design and develop a world-class hydraulic press with its own technology through ceaseless eff orts with much trial-and-error.
Manufacturing Heat Exchangers with Modernized and Optimized System
LHE’s production facilities are equipped with a modernized and optimized system for manufacturing heat exchangers. The quality of heat plate is directly related to the performance of the plate heat exchanger.
Therefore, it tries its best to live up to customers’ expectations by providing a various range of heat exchangers such as large, medium, small and mini-sized plates fabricated by 50,000, 25,000, 10,000 ton hydraulic presses.
The Plate Heat Exchanger is fi xed by numerous thin and corrugated heat transfer plates, hanging between the carrying bar on the above and the guide bar on the below. These heat transfer plates provide fl ow channels for two kinds of fl uids, and the chevrons on the heat transfer plate make the turbulent fl ow and act to support the plate against the pressure diff erence between the two fl uids. The plate pack is to be placed between the fi xed cover and the movable cover, and fi xed with tie bolts.
As for its characteristics, the plate heat exchanger is highly effi cient in heat transfer compared with shell and tube heat exchanger, about fi ve times more. It has a wide contact area so its durability and corrosion resistance are greatly improved by minimizing deformation and stress concentration. The gasket can be fi xed tightly and quickly on the heat plate in the optimal condition with the dual fixing device (snap on type). It also features anti-vibration design with easiness to assemble and disassemble.
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The Quick Die Change System is very reliable since it has been designed and developed trigeminally for high functional effi ciency, economical effi ciency and safety in die exchanging operation of the press, injection molding machine, die casting machine, etc. The system is applicable to the machine tool processing fi eld of automated machines as well as die exchange.
Impregnated diamond core bits, mounted at the tip of core barrels for direct contacting and boring of bedrocks, play the most important role among excavation parts. As Korea’s bedrocks are the strongest in the world, geological survey companies in Korea have incessantly requested impregnated core bits that are suitable for such excavation work.
gotten good responses from its customers. It serves its clients with sincerity and dignity and says “Your project is our pleasure.”
As the PE ball valve is built with plastic, it has longer lifespan than steel valves. Also, the plastic body is free from erosion caused by chemical substances in the gas or electrical contact (LPG, LNG and other gas fuels). Full bore design and smooth PE wall allow the maximum flow capacity for the gas transportation.
company in the fi eld. Now, as a specialist of total ballast system line up, all of its staff s are going to operate faster with 3B in their mind.
For eff ective marketing abroad, the fi rm has developed an international network extending to 57 countries, including the USA, Germany, the UK, Italy, New Zealand, Hungary, Japan, China, Thailand, Iran, Egypt, India, Brazil and Mexico. Under the slogan “Solution for Polyurethane,”
Among the maker’s hott est-selling items are LED traffi c safety arrows. CE-approved, the product (WS-02) is easy to use and ideal for preventing secondary car accidents. It can be used as an arrow indicator light and helps users to indirectly control the traffi c fl ow. Equipped with powerful neodymium magnet, it can be easily mounted in various locations on a car.
Its fl ickering can last 15 hours, while its lighting reaches eight hours.
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