This standard specifies the identification codes for the mounting surface of hydraulic valves and the shape of cartridge-type valve mounting holes as specified in international standards. This code does not apply to mounting surfaces and cartridge-type valves that are not defined by international standards. This standard does not require equipment to display this identification code.
JIS B 8665:2001 history
2023JIS B 8665:2023 Hydraulic fluid power -- Code for identification of valve mounting surfaces and cartridge valve cavities
2001JIS B 8665:2001 Hydraulic fluid power -- Code for identification of valve mounting surfaces and cartridge valve cavities