[INQ. NO. 2008M07] Since its founding in 1965, HWASHIBOLT IND.CO.,LTD. has focused on special bolts as a leading company in the special bolts industry.
Recognized for its world-class technical ability and superiority in the special and engineered bolts industry, HWASHIBOLT IND. has participated in large-scale global energy projects including combined cycle power plants, nuclear power plants, and offshore plants in 22 countries over five continents, and enhanced the reputation of Korean bolts.
Based on its accumulated skills, HWASHIBOLT IND. is soaring as a global company. Currently, this company is supplying fastener products to domestic and foreign power plants (GE Power, Siemens, and Doosan Heavy Industries), three major shipbuilding companies (Daewoo Shipbuilding & Marine Engineering, Samsung, and Hyundai), and major oil companies including Shell, BP, Exxon Mobil, Chevron, and Total. In addition, HWASHIBOLT IND. is producing and supplying products tailored to meet the needs of its clients in compliance with various standards including ANSI, ASTM, ASME, GE, SIEMENS, DIN, KS, BS, and ISO.
Turbine Casing Bolts
These are supplied to many power plants in the country. Turbines are divided into two parts and connected with bolts. Many turbines require accommodating to high temperature and high pressures, and using the bolts produced by this company. The supplied items include thru stud, tap stud, coupling set, dowel pin, slotted nut, covered nut, and round nut.
The major customers for these products include GE, SIEMENS, and MITSUBISHI.
Gas Turbine Rotor Bolt
This bolt is used to penetrate into and fasten the compressor discs of turbines rotating in high temperatures and high speed. It has the highest difficulty level amongst all turbine fasteners, so product safety and quality are very important.
Piping Bolt
This bolt is mainly used in the marine plant industry. As a close partner with leading heavy industries in the country, it has supplied many bolt products for a long time including FPSO, Submarine, f-lng, jack-up rig, drill ship, and (semisubmersible drilling rigs). The supplied products include stud bolt, hex bolt, hex nut, washer, and U-bolt.
12-Point Screw
12-point screw has similar threaded configuration to hex bolts except the head unit. Depending on its service environment, it is designed to be used in higher loading applications by providing a larger contact area in the head unit.
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To ensure safety in using electricity and water at the same time, the company manufactured the product as a practical one-piece by incorporating an electric converter with the product to turn the product on-and-off with DC 24 volt power. One DEN suction pump can be used for three or four dental chairs at the same time.
The use of a single large-capacity model can prevent the inhalation pump from shutting down medical services in an entire hospital.
Hedge shears have telescopic handles (K-5000, K-5100 model), also aluminium handles and wood handles. Lopping shears are possible to cut a green wood less than 45mm thick branch (K-630 model).
Folding saws are of the portable folding style, having various blade lengths (140, 180, 210, 250, 270, 300 mm), with glossy and hard chrome plating, and showing excellent durability.
For SP-JOINT, the crimping method is used on the joint unit with an exclusive crimping tool, and there are rubber rings for EPDM tap water and STS304 material of STS ring, called double-ring crimp-type joint, in the product.
SP-JOINT can be used with 0°C~120°C of water temperature. The serviceable temperature of EMPD rubber ring inserted in SP-JOINT product is –40°C~+140°C. The life of EPDM rubber rings is 45 years when it is consistently used at 80°C, and 114 years at 70°C.
New technology of Green Tech, underwater camera mounted pumps can monitor the temperature, and foreign material inside the pump on a real time basis.
Heunginjimun Gate is the largest gate in Seoul, surpassing even Sungnyemun Gate. It has a semicircular ongsung (a small wall built in front of the gate for complete protection) that differentiates it from the other fortress gates.
Though Gwanghwamun is the main entrance to Cheonggyecheon Stream, visitors may also get to the stream from Dongdaemun Station. There are a total of 22 bridges that cross over Cheonggyecheon Stream, with the bridge in Dongdaemun being Ogansugyo Bridge. The bridge is located at the spot of the previous Ogansu Gate, where five streams flowed out of the old capital. Due to urban development, the old gate can no longer be seen, but its memory lives on in the name of the bridge.
Although international tourists tend to visit the modern-style shopping malls, Dongdaemun Shopping Complex and Pyounghwa Fashion Town are also highly recommended. Visitors may experience a different vibe from usual shopping, and feel a sense of the traditional flea market instead. Dongdaemun Shopping Complex mainly sells fabric, buttons and other similar materials while fashion-related goods and commodities can be found at Pyounghwa Fashion Town.
The structure itself is not only unique on the outside but is also full of fascinating attractions on the inside. The complex is convenient and makes exploring enjoyable as it is divided into four segments namely ‘Art Hall’, ‘Museum’, ‘Design Lab’ and the ‘Oullim Square’. The park next to the DDP is installed with 25,550 LED roses that make a beautiful scene at night. It’s the perfect location for a romantic date night.
Doosan Tower. Recently, the name was changed to Dongdaemun Sebit Market.
In other words, unnecessary consumption of energy is frequently unavoidable due to the limitations of technology. However, if VrSD+ is applied to the existing equipment, the operational efficiency can be improved significantly because such application can minutely control the RPM of compressors according to the real-time air consumption.
Particularly, if load operating time does not take long or load and no load operation alternate frequently in the field, energy-saving effects of up to 40% can be expected.
Based on a series of power technologies that have been cultivated by the company in the domestic environmental measurement field that had not been developed locally but depended on foreign technologies, the company extended its view to the unlimited global markets, and continues promotional activities (participation in overseas exhibitions and establishment of overseas subsidiaries, etc.) in order to provide bridgeheads to the markets of Chinese territories, Southeast Asia, Europe, and the Americas.
We are proud to have gained a foothold to increase our competitiveness in supplying of direct extrusion and injection of aluminum materials through the recent completion of our 2nd factory.
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