Kosaplus Co., Ltd. is a specialized manufacturer of electric and pneumatic actuators essential for valve opening and closing. The company holds a leading position in the domestic pneumatic actuator sector and ranks among the top 10 globally. It provides high-quality automation solutions applicable across diverse industrial sectors, focusing on innovative technology development. The company strengthens its global market presence by exporting products to over 80 countries worldwide.KosaplusCo.,Ltd.isaspecializedmanufacturerofelectricandpneumaticactuatorsessentialforvalveopeningandclosing.Thecompanyholdsaleadingpositioninthedomesticpneumaticactuatorsectorandranksamongthetop10globally.Itprovideshigh-qualityautomationsolutionsapplicableacrossdiverseindustrialsectors,focusingoninnovativetechnologydevelopment.Thecompanystrengthensitsglobalmarketpresencebyexportingproductstoover80countriesworldwide.
Key Products/TechnologiesKeyProducts/Technologies
Pneumatic actuators (Scotch Yoke AD/AS series, Rack & Pinion RD/RS series) offer torque exceeding 10,000Nm, capable of opening and closing ball valves up to 400A (16”) and butterfly valves up to 1,000A (40”).Pneumaticactuators(ScotchYokeAD/ASseries,Rack&PinionRD/RSseries)offertorqueexceeding10,000Nm,capableofopeningandclosingballvalvesupto400A(16”)andbutterflyvalvesupto1,000A(40”).
Electric actuators (KP010-Series, KE-G, KE-P) cover a torque range from 8Nm to 1200Nm, supporting various options including explosion-proof, waterproof, intelligent, and high-speed models.Electricactuators(KP010-Series,KE-G,KE-P)coveratorquerangefrom8Nmto1200Nm,supportingvariousoptionsincludingexplosion-proof,waterproof,intelligent,andhigh-speedmodels.
Compact Scotch yoke electric actuators, particularly KE010 and higher models, feature precise operation without backlash.CompactScotchyokeelectricactuators,particularlyKE010andhighermodels,featurepreciseoperationwithoutbacklash.
The product lineup includes additional features like Side Sensor, Epoxy Powder coating, Side Handwheel, Sub-port, and Indicator, along with various control units and accessories such as Special Solenoid valve (YOON SOL) YN Series, Limit Switch Box (ALS1X/ALS3X), and Positioner (KEP10L/10R).TheproductlineupincludesadditionalfeatureslikeSideSensor,EpoxyPowdercoating,SideHandwheel,Sub-port,andIndicator,alongwithvariouscontrolunitsandaccessoriessuchasSpecialSolenoidvalve(YOONSOL)YNSeries,LimitSwitchBox(ALS1X/ALS3X),andPositioner(KEP10L/10R).
Innovative technologies such as clutchless manual handwheel design and solenoid valves with integrated gauges enhance user convenience.Innovativetechnologiessuchasclutchlessmanualhandwheeldesignandsolenoidvalveswithintegratedgaugesenhanceuserconvenience.
Thick hard-anodized surface treatment ensures corrosion resistance, while metal bushings and specialized actuator grease contribute to long service life and stable operation.Thickhard-anodizedsurfacetreatmentensurescorrosionresistance,whilemetalbushingsandspecializedactuatorgreasecontributetolongservicelifeandstableoperation.
Automated production lines, featuring robotic machining and conveyor assembly, ensure efficiency and consistent quality.Automatedproductionlines,featuringroboticmachiningandconveyorassembly,ensureefficiencyandconsistentquality.
Core AdvantagesCoreAdvantages
Rapid responsiveness and quick product supply capabilities through in-house design and manufacturing lines.Rapidresponsivenessandquickproductsupplycapabilitiesthroughin-housedesignandmanufacturinglines.
Ultra-fast electric actuator technology, capable of 1-second valve control, provides a critical competitive edge in high-precision, high-response fields like fire safety and semiconductors.Ultra-fastelectricactuatortechnology,capableof1-secondvalvecontrol,providesacriticalcompetitiveedgeinhigh-precision,high-responsefieldslikefiresafetyandsemiconductors.
The application of high-performance BLDC motors ensures long product service life and high reliability, delivering stable performance in diverse industrial environments.Theapplicationofhigh-performanceBLDCmotorsensureslongproductservicelifeandhighreliability,deliveringstableperformanceindiverseindustrialenvironments.
A broad product range, offering both rack & pinion and scotch yoke type pneumatic and electric actuators, provides customized solutions for various customer needs and application environments.Abroadproductrange,offeringbothrack&pinionandscotchyoketypepneumaticandelectricactuators,providescustomizedsolutionsforvariouscustomerneedsandapplicationenvironments.
Automated production lines with robotic machining and conveyor assembly systems enable efficient manufacturing processes and consistent high-quality product output.Automatedproductionlineswithroboticmachiningandconveyorassemblysystemsenableefficientmanufacturingprocessesandconsistenthigh-qualityproductoutput.
Innovative solution development capabilities, including clutchless manual handwheel design and solenoid valves with integrated gauges.Innovativesolutiondevelopmentcapabilities,includingclutchlessmanualhandwheeldesignandsolenoidvalveswithintegratedgauges.
Global product liability insurance coverage for quality assurance and a Smart Online Ordering System (OOS) for transparent and efficient purchasing experiences.GlobalproductliabilityinsurancecoverageforqualityassuranceandaSmartOnlineOrderingSystem(OOS)fortransparentandefficientpurchasingexperiences.
Target IndustrieTargetIndustrie
Power plants, semiconductors, water treatment, HVAC, factory automation, chemicals, oil & gas, marine & shipbuilding, and secondary batteries.Powerplants,semiconductors,watertreatment,HVAC,factoryautomation,chemicals,oil&gas,marine&shipbuilding,andsecondarybatteries.
A key component supplier in the semiconductor manufacturing equipment sector, holding over 60% of the domestic market share.Akeycomponentsupplierinthesemiconductormanufacturingequipmentsector,holdingover60%ofthedomesticmarketshare.
Application in fields requiring precise control, such as fire safety systems and special-purpose vehicles.Applicationinfieldsrequiringprecisecontrol,suchasfiresafetysystemsandspecial-purposevehicles.
Provision of high-quality products and services for major national projects including petrochemicals, nuclear power, military industry, and oilfield development.Provisionofhigh-qualityproductsandservicesformajornationalprojectsincludingpetrochemicals,nuclearpower,militaryindustry,andoilfielddevelopment.
Major MarketsMajorMarkets
EgyptEgypt
China, Vietnam, Japan, Southeast Asia, South Korea (over 50% domestic market share, over 60% in semiconductor market)China,Vietnam,Japan,SoutheastAsia,SouthKorea(over50%domesticmarketshare,over60%insemiconductormarket)
Germany, Turkey, United KingdomGermany,Turkey,UnitedKingdom
USA (participation in Valve World Americas 2025 exhibition)USA(participationinValveWorldAmericas2025exhibition)
Certifications/PatentsCertifications/Patents
Acquisition of CE and RoHS certifications, establishing a foundation for entry into European markets.AcquisitionofCEandRoHScertifications,establishingafoundationforentryintoEuropeanmarkets.
ATEX and IECEx explosion-proof certifications are either in progress or partially obtained, with SIL system certification also obtained or in progress.ATEXandIECExexplosion-proofcertificationsareeitherinprogressorpartiallyobtained,withSILsystemcertificationalsoobtainedorinprogress.
Maintenance of consistent quality management and environmentally friendly production processes through ISO9001/14001 quality and environmental management system certifications.MaintenanceofconsistentqualitymanagementandenvironmentallyfriendlyproductionprocessesthroughISO9001/14001qualityandenvironmentalmanagementsystemcertifications.
Securing product safety in the domestic market through KC certification.SecuringproductsafetyinthedomesticmarketthroughKCcertification.
Possession of a patent for clutchless manual handwheel design, demonstrating innovative technological development capabilities that enhance user convenience.Possessionofapatentforclutchlessmanualhandwheeldesign,demonstratinginnovativetechnologicaldevelopmentcapabilitiesthatenhanceuserconvenience.
Acquisition of numerous corporate certifications from government and local authorities, including Gyeonggi Province's Promising SME, Promising Export Company, and Frontier Enterprise.Acquisitionofnumerouscorporatecertificationsfromgovernmentandlocalauthorities,includingGyeonggiProvince'sPromisingSME,PromisingExportCompany,andFrontierEnterprise.