KOSO is a globally leading manufacturer of industrial control valves and automation instrumentation, specializing in high-precision, high-reliability fluid control solutions. Headquartered in Tokyo, Japan, the company was founded in 1965 and has over 60 years of professional experience in process control.

Core products include:

  • Control Valves: Single-seat globe valves, cage-guided globe valves, ball valves, butterfly valves, check valves, anti-cavitation and low-noise control valves.
  • Actuators & Positioners: Pneumatic actuators, electric actuators, and smart valve positioners (KGP5000 series).
  • Automation Accessories: Solenoid valves, limit switches, position transmitters, and various valve auxiliary components.

Products are widely used in the following fields:

  • Petrochemicals: Process fluid control for reactors, pipelines, storage tanks, etc.
  • Power & Energy: Boiler feedwater, steam, and steam turbine bypass control systems.
  • Metallurgy & Mining: Control under severe conditions such as high temperature and high differential pressure.
  • Water Treatment & Papermaking: Flow control for wastewater, raw water, pulp, etc.
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740E高性能低温铝制蝶阀

该系列为高性能低温铝制蝶阀,具有高耐用性和优异的密封性能。其密封圈结构多样,可满足多种工况需求。

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732E三偏心高性能蝶阀

732E采用独特的三偏心密封结构,可在阀门90°全行程转动过程中彻底消除密封面间的摩擦与咬合,并通过扭矩压紧作用实现双向高密封性能。

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730E 三偏心高性能蝶阀

730E采用独特的三偏心密封结构,可在阀门90°全行程转动过程中彻底消除密封面间的摩擦与咬合,并通过扭矩压紧作用实现双向优异的切断性能。

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720C高性能蝶阀

该系列为高性能蝶阀,具有高耐用性和优异的密封性能。其密封圈结构多样,可满足多种工况需求。

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710C高性能蝶阀

本系列为高性能蝶阀,具有高耐用性和优异的密封性能。其密封圈结构多样,可满足各类工况需求。

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721E 偏心高性能蝶阀

本系列为高性能蝶阀,具有高耐用性和优异的密封性能。其密封圈结构多样,可满足各类工况需求。

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710E高性能蝶阀

本系列为高性能蝶阀,具有高耐用性和优异的密封性能。其密封圈结构多样,可满足多种工况需求。

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600M 橡胶衬里蝶阀

蝶阀采用橡胶密封,经不懈努力研发而成,兼具功能齐全、操作便捷、使用寿命长且经济高效等优势。其结构简洁紧凑,阀体重量极轻,既可实现精确调节,又可可靠切断。适用于化工、食品、制药、造纸及制浆、水处理等行业中的气体、液体、油品、粉体及颗粒状介质。

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