JIS B 2355-1:2000 Connections for fluid power and general use -- Ports and stud ends with ISO 261 threads and O-ring sealing -- Part 1: Ports with O-ring seal in truncated housing
This standard specifies metric threaded ports for connecting fixed and adjustable joint ends as detailed in JIS B 2335-2 and JIS B 2355-3. According to this standard, the maximum working pressure for the end of a direction-adjustable fitting is 40 MPa, and the maximum working pressure for a fixed fitting end is 63 MPa.
JIS B 2355-1:2000 history
2000JIS B 2355-1:2000 Connections for fluid power and general use -- Ports and stud ends with ISO 261 threads and O-ring sealing -- Part 1: Ports with O-ring seal in truncated housing