Multishydro is a specialized engineering and manufacturing company for leakage prevention, having accumulated over 35 years of experience since its inception in mechanical seal design in 1980. Its main product lines include rotary joints, swivel joints, mechanical seals, safe locks, loading arms, and converter joints, serving various industrial rotating machinery components. The company has established high reliability in both domestic and international markets based on stable quality and high-performance products. It demonstrates the capability to provide customized solutions that meet customer demands for productivity improvement and cost reduction.Multishydroisaspecializedengineeringandmanufacturingcompanyforleakageprevention,havingaccumulatedover35yearsofexperiencesinceitsinceptioninmechanicalsealdesignin1980.Itsmainproductlinesincluderotaryjoints,swiveljoints,mechanicalseals,safelocks,loadingarms,andconverterjoints,servingvariousindustrialrotatingmachinerycomponents.Thecompanyhasestablishedhighreliabilityinbothdomesticandinternationalmarketsbasedonstablequalityandhigh-performanceproducts.Itdemonstratesthecapabilitytoprovidecustomizedsolutionsthatmeetcustomerdemandsforproductivityimprovementandcostreduction.
Key Products/TechnologiesKeyProducts/Technologies
Mechanical seals are applicable not only in general industrial sectors like process services but also in environments involving all industrial chemical substances and corrosive liquids and gases such as sulfuric acid, nitric acid, phosphoric acid, and hydrochloric acid.Mechanicalsealsareapplicablenotonlyingeneralindustrialsectorslikeprocessservicesbutalsoinenvironmentsinvolvingallindustrialchemicalsubstancesandcorrosiveliquidsandgasessuchassulfuricacid,nitricacid,phosphoricacid,andhydrochloricacid.
The Rotary Joint MJ100 Series is suitable for high-speed air clutches and hydraulic operating pulleys, featuring a robust structure made of special aluminum and seal materials of high-purity alumina ceramic and carbon graphite.TheRotaryJointMJ100Seriesissuitableforhigh-speedairclutchesandhydraulicoperatingpulleys,featuringarobuststructuremadeofspecialaluminumandsealmaterialsofhigh-purityaluminaceramicandcarbongraphite.
The MJ240 Series is a versatile product for cooling water, steam, and hot oil, characterized by a compact structure, precise bearings correcting seal face perpendicularity, and excellent performance at high speeds.TheMJ240Seriesisaversatileproductforcoolingwater,steam,andhotoil,characterizedbyacompactstructure,precisebearingscorrectingsealfaceperpendicularity,andexcellentperformanceathighspeeds.
The MJ730 Series incorporates a patented Cracking Type technology to resolve high-speed idling issues with air supply in machining centers, designed for seal face separation by centrifugal force, ensuring superior durability without deformation under high pressure.TheMJ730SeriesincorporatesapatentedCrackingTypetechnologytoresolvehigh-speedidlingissueswithairsupplyinmachiningcenters,designedforsealfaceseparationbycentrifugalforce,ensuringsuperiordurabilitywithoutdeformationunderhighpressure.
The MJAN Series is optimized for equipment requiring very low torque, such as air and vacuum chucks in automation and robot equipment, utilizing a Non-Packing Type basic structure with high-precision components and carefully selected materials to minimize leakage and ensure long life.TheMJANSeriesisoptimizedforequipmentrequiringverylowtorque,suchasairandvacuumchucksinautomationandrobotequipment,utilizingaNon-PackingTypebasicstructurewithhigh-precisioncomponentsandcarefullyselectedmaterialstominimizeleakageandensurelonglife.
The MJIN Series is specifically designed for equipment requiring high-pressure hydraulics, high-speed rotation, or very low torque, providing stable operation without packing damage through a labyrinth-structured Non-Packing method and a system for recovering minute leakages.TheMJINSeriesisspecificallydesignedforequipmentrequiringhigh-pressurehydraulics,high-speedrotation,orverylowtorque,providingstableoperationwithoutpackingdamagethroughalabyrinth-structuredNon-Packingmethodandasystemforrecoveringminuteleakages.
The MJ530 Series is specialized for high-pressure coolant applications and deep hole machining in machine tools, featuring silicon carbide seal materials and a double labyrinth drain box to protect bearings and ensure stable operation.TheMJ530Seriesisspecializedforhigh-pressurecoolantapplicationsanddeepholemachininginmachinetools,featuringsiliconcarbidesealmaterialsandadoublelabyrinthdrainboxtoprotectbearingsandensurestableoperation.
The MJX Series adopts a 'Manifold' design where the rotary joint's exterior is integrated with the bearing box, eliminating the need for cooling water piping, preventing slag accumulation with its simple exterior, and allowing easy external disassembly.TheMJXSeriesadoptsa'Manifold'designwheretherotaryjoint'sexteriorisintegratedwiththebearingbox,eliminatingtheneedforcoolingwaterpiping,preventingslagaccumulationwithitssimpleexterior,andallowingeasyexternaldisassembly.
The MJ600 Series (including MJ642) is engineered for hydraulic oil supply in large equipment like Un-Coilers and De-Coilers' rotary cylinders and rotary tables, employing a Non-Packing type and annular gap technology for stable hydraulic operation and minimal leakage at high pressures and speeds.TheMJ600Series(includingMJ642)isengineeredforhydraulicoilsupplyinlargeequipmentlikeUn-CoilersandDe-Coilers'rotarycylindersandrotarytables,employingaNon-Packingtypeandannulargaptechnologyforstablehydraulicoperationandminimalleakageathighpressuresandspeeds.
The Swivel Joint MS201F-1500 model features a carbon steel or cast steel body and O-ring PTFE backup ring seals, applicable to various fluids including water, air, hydraulic oil, gas, and petroleum products.TheSwivelJointMS201F-1500modelfeaturesacarbonsteelorcaststeelbodyandO-ringPTFEbackupringseals,applicabletovariousfluidsincludingwater,air,hydraulicoil,gas,andpetroleumproducts.
Seal Unit and Pressure Unit are integrated systems for maintaining mechanical seal life, offering management of multiple seal units, forced circulation to maintain sealant pressure, adjustable pressure and flow rates, and safety assurance in hazardous material environments.SealUnitandPressureUnitareintegratedsystemsformaintainingmechanicalseallife,offeringmanagementofmultiplesealunits,forcedcirculationtomaintainsealantpressure,adjustablepressureandflowrates,andsafetyassuranceinhazardousmaterialenvironments.
Core AdvantagesCoreAdvantages
A specialized company with over 35 years of rich experience and leakage prevention engineering know-how, having pioneered mechanical seal design in Korea since 1980.Aspecializedcompanywithover35yearsofrichexperienceandleakagepreventionengineeringknow-how,havingpioneeredmechanicalsealdesigninKoreasince1980.
The capability to engineer and manufacture high-performance products with unique structures and designs, tailored to diverse customer operating conditions.Thecapabilitytoengineerandmanufacturehigh-performanceproductswithuniquestructuresanddesigns,tailoredtodiversecustomeroperatingconditions.
Strong innovative technology development capabilities, including the patented Cracking Type technology for high-speed idling issues and proprietary low-torque rotary joint technology that does not use packing.Stronginnovativetechnologydevelopmentcapabilities,includingthepatentedCrackingTypetechnologyforhigh-speedidlingissuesandproprietarylow-torquerotaryjointtechnologythatdoesnotusepacking.
Maximized product reliability and lifespan through the use of advanced seal materials such as high-purity alumina ceramic, carbon graphite, and silicon carbide, combined with ultra-precision lapping and machining techniques ensuring perfect flatness, concentricity, and roundness.Maximizedproductreliabilityandlifespanthroughtheuseofadvancedsealmaterialssuchashigh-purityaluminaceramic,carbongraphite,andsiliconcarbide,combinedwithultra-precisionlappingandmachiningtechniquesensuringperfectflatness,concentricity,androundness.
Active export performance and recognition for quality excellence in global markets, including Japan, the US, Canada, Taiwan, China, Indonesia, and Kazakhstan, following an export and joint venture agreement with HYDRO in the US in 2001.Activeexportperformanceandrecognitionforqualityexcellenceinglobalmarkets,includingJapan,theUS,Canada,Taiwan,China,Indonesia,andKazakhstan,followinganexportandjointventureagreementwithHYDROintheUSin2001.
Comprehensive application capability, providing various products and customized technical solutions across a wide range of industries such as steel, robotics, machine tools, dedicated automotive processing machines, semiconductors, paper, pharmaceuticals, chemicals, and marine/offshore oil exploration equipment.Comprehensiveapplicationcapability,providingvariousproductsandcustomizedtechnicalsolutionsacrossawiderangeofindustriessuchassteel,robotics,machinetools,dedicatedautomotiveprocessingmachines,semiconductors,paper,pharmaceuticals,chemicals,andmarine/offshoreoilexplorationequipment.
Proven technical expertise and product reliability through supply records to leading domestic and international companies including Hyundai Motor, Doosan Infracore, Hyundai WIA, Mitsubishi Heavy Industries, JFE, SMS, Voest Alpine, and Danieli.ProventechnicalexpertiseandproductreliabilitythroughsupplyrecordstoleadingdomesticandinternationalcompaniesincludingHyundaiMotor,DoosanInfracore,HyundaiWIA,MitsubishiHeavyIndustries,JFE,SMS,VoestAlpine,andDanieli.
A customer-centric approach that contributes to maintenance cost reduction by designing products for easy disassembly and repair on-site, enhancing convenience for customers.Acustomer-centricapproachthatcontributestomaintenancecostreductionbydesigningproductsforeasydisassemblyandrepairon-site,enhancingconvenienceforcustomers.
Target IndustrieTargetIndustrie
Application of rotary joints in machine tool industries for high-pressure coolant operations, deep hole machining, and high-speed spindles.Applicationofrotaryjointsinmachinetoolindustriesforhigh-pressurecoolantoperations,deepholemachining,andhigh-speedspindles.
Supply of rotary joints to all facilities in the steel industry, including blast furnaces, converters (Furnace), continuous casting, hot rolling, cold rolling, coke facilities, and Hot & Cold Rolling Mills.Supplyofrotaryjointstoallfacilitiesinthesteelindustry,includingblastfurnaces,converters(Furnace),continuouscasting,hotrolling,coldrolling,cokefacilities,andHot&ColdRollingMills.
Application of leakage prevention solutions in various process facilities within the paper and pharmaceutical industries.Applicationofleakagepreventionsolutionsinvariousprocessfacilitieswithinthepaperandpharmaceuticalindustries.
Development and supply of special component technologies for the oil & gas industry and marine/offshore oil exploration equipment.Developmentandsupplyofspecialcomponenttechnologiesfortheoil&gasindustryandmarine/offshoreoilexplorationequipment.
Application of rotary joints in robot automation and semiconductor industries for equipment requiring low torque and precise control, such as air and vacuum chucks.Applicationofrotaryjointsinrobotautomationandsemiconductorindustriesforequipmentrequiringlowtorqueandprecisecontrol,suchasairandvacuumchucks.
Supply of specially manufactured rotary joints to dedicated automotive processing machines, such as automotive engine processing equipment.Supplyofspeciallymanufacturedrotaryjointstodedicatedautomotiveprocessingmachines,suchasautomotiveengineprocessingequipment.
Provision of mechanical seals for chemical industries, usable in corrosive liquid and gas environments like sulfuric acid, nitric acid, phosphoric acid, and hydrochloric acid.Provisionofmechanicalsealsforchemicalindustries,usableincorrosiveliquidandgasenvironmentslikesulfuricacid,nitricacid,phosphoricacid,andhydrochloricacid.
Supply of products to a broad range of general industrial applications, including process services.Supplyofproductstoabroadrangeofgeneralindustrialapplications,includingprocessservices.
Major MarketsMajorMarkets
Japan, Taiwan, China, Indonesia, KazakhstanJapan,Taiwan,China,Indonesia,Kazakhstan
Germany, Austria, ItalyGermany,Austria,Italy
United States, CanadaUnitedStates,Canada
Certifications/PatentsCertifications/Patents
The Cracking Type technology, which solves high-speed idling problems, is a unique technology registered as a patented technical specification.TheCrackingTypetechnology,whichsolveshigh-speedidlingproblems,isauniquetechnologyregisteredasapatentedtechnicalspecification.
The low-torque rotary joint technology that does not use packing is a specialized technical capability exclusively held by the company.Thelow-torquerotaryjointtechnologythatdoesnotusepackingisaspecializedtechnicalcapabilityexclusivelyheldbythecompany.
Specific patent numbers or official certification names are not directly confirmed in the search results.Specificpatentnumbersorofficialcertificationnamesarenotdirectlyconfirmedinthesearchresults.