Control Valves

Introduction of diversified KOSO control valves that contribute to process automation in various fields of industry

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Actuators

Introduction of actuators for KOSO control valves for broad applications including pneumatic valves, hydraulic valves and motor-operated valves jump

Accessories

Introduction of accessories that further enhance attractiveness of KOSO products

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Pumps

Introduction of MAC pumps produced by KOSO, pioneer of chemical non-seal pumps, providing reliability and achievements

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Sensors

Introduction of various sensors and switches made by SOR and others

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What's New

2019.04.10 Long holiday
Due to the long holiday, we Nihon Koso Co., Ltd. (Office) & Tokyo Koso Co., Ltd. (Factory) will close from Apr. 27th, 2019 to May 6th, 2019.

2018.05.23
Nihon KOSO acquires the Control Valve Business of Parcol S.p.A., Italy

2018.05.01
Announcement relating to discontinuance of certain products manufactured and sold by Tokyo Okazaki Industry Co., Ltd.

2017.03.09
New SMART POSITIONER(KGP5000) was released on 10th January 2017.
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