COS-1 type
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A cylinder valve that opens and closes the valve by switching the operating air pressure. It is used when frequent operation is performed or when electricity cannot be used due to an explosive atmosphere.
The COS type and CCS type series are cylinder valves with a piston type valve body that adopts the B2D (2 Best Balance Direct Drive) method, and there are abundant varieties depending on the operation, connection, material, etc.
We have all the options.

Major features

  • It is small and lightweight.
  • Can be used in a wide pressure range.
  • A wide variety of valves are available, so you can select the valve that suits your usage conditions.

specification

Product code COS1-W COS1-V
Valve body operation Valve open during pressurization Valve open during pressurization
Valve body type Two-way mouth Two-way mouth
Valve body Nominal diameter 10-65 (3 / 8-2 1/2) 10-50 (3 / 8-2)
Valve body Applicable fluid Water / hot water / air / oil (kerosene, light oil, heavy fuel oil A)For fuel oil and light oil, the material of the main body may be specified depending on the destination (Ministry of Land, Infrastructure, Transport and Tourism, Ministry of Defense, etc.), so please check. Water / hot water / air / oil (kerosene, light oil, heavy fuel oil A)For fuel oil and light oil, the material of the main body may be specified depending on the destination (Ministry of Land, Infrastructure, Transport and Tourism, Ministry of Defense, etc.), so please check.
Valve body fluid temperature 5-100 ℃ 5-100 ℃
Valve body fluid viscosity 50cSt or less 50cSt or less
Valve body Applicable pressure 0-1.0MPa 0-1.0MPa
Valve body end connection JIS Rc screw JIS Rc screw
Valve body Material body CAC SCS
Valve body Material key part SUS SUS
Valve body Material Main part Disc PTFE PTFE
Valve body body pressure resistance test 1.5MPa at water pressure 1.5MPa at water pressure
Drive type Single acting (spring return) Single acting (spring return)
Drive material AC4C AC4C
Drive unit operating air pressure 0.3-0.7MPa 0.3-0.7MPa
Drive airtightness test Air pressure 0.9MPa Air pressure 0.9MPa

Download materials

Download materials

Common to all product symbols

COS-1 Catalog

COS-1 price list

COS-1 Instruction Manual (Japanese)

COS1-W

COS1-W reference diagram

COS1-V

COS1-V reference diagram

Frequently Asked Questions and Explanations

Is it possible to install a vertical pipe?

CP and GP series cannot be installed. Installation of vertical pipes may cause uneven wear of each sliding part and malfunction, so basically install it on horizontal pipes.

Is hydraulic drive possible?

Currently, hydraulic drive is not available.

Inquiries about this product

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Notation on catalogs and websites

RD44N-F □

Contains characters that indicate pressure classification and options.

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