The website of the KOSO Group, led by Nihon KOSO Co., Ltd. KOSO provides high quality technologies, products and services, armed with truly unique “Made in KOSO” solutions, inspired by originality.

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

Introducing varieties of products of KOSO, providing reliability and achievements, as KOSO made great contributions to process automation in trades of various kinds through development and supply of control valves since it was founded, including sensors and controllers, with focus on control valve products.

KOSO Nihombashi Bldg.,1-16-7 Nihombashi Chuo-ku Tokyo 103-0027 Japan TEL 03-5202-4300 FAX 03-5202-4301

KOSO Nihombashi Bldg.,1-16-7 Nihombashi Chuo-ku Tokyo 103-0027 Japan TEL: 81-3-5202-4300 FAX: 81-3-5202-4301

Nihon KOSO Co.,Ltd. Foundation November 1 1965 Establishment February 1 1977 Capital 48000000yen President Yuichi Ikegaya Member of a company Non-Consolidated: 150, Consolidated: 2500 Main Banks Mitsui-Sumitomo Bank Mizuho Bank Description of business

Used for shut off, switching, or locking of instrumental air circuit (air relay).

For those severe fluid conditions that cannot be covered by this Series, please select KOSO velocity control trim type.

The inquiry, the estimate, the question, etc. are received. We will start to operate a new registration system for your inquiry and access to our download service on the 5th of November.

Parallel slide has KOSO's own design/construction to realize very good and firm metal-to-metal touch sealing performance. Its execellent shut-off performance, brought about by the metal-to-metal sealing, makes it suitable to a variety of severe services, including emergency shut-off/opening at extremely low to high temperature.