JIS vs iso standard hydraulic fittings

Date:Aug 31, 2019

All of JIS standard hydraulic fittings has similar ISO standard of tube connections for hydraulic fluid power system.


JIS is Japanese Industry standards, ISO is international standard organization standards. JIS hydraulic fittings is based on ISO 8434 series, DIN series hydraulic fittings, SAE series hydraulic fittings and BS series hydraulic fittings as follows:


1. JIS 60 degree cone tube fittings is similar to ISO 8434-6, and BS 5200 standards.

2. JIS 24 degree compression fittings is similar to ISO 8434-1 and ISO 8434-2, also DIN 2353 standards.

3. JIS B8363 flange adapter is similar to SAE J518 and ISO 6162 standards.

JIS B2291 square flanges is similar to ISO 6164 standards.


All JIS standards is not inchangeable into ISO standards, SAE standard, DIN standard and BSI standards.


Any questions of JIS, DIN, ISO, BSI, SAE standard hydraulic fittings, please feel free to contact us.

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