Pressure - permissible flow value

| Operation symbol | JIS symbol | Standard AC, DC solenoid attachment | ||
|---|---|---|---|---|
| A2X | - | f | f | |
| A3X | b | f | f | |
| A5 | a | - | e | |
| C1 | AC SOL. d DC SOL. c |
e | e | |
| C5 | a | e | e | |
| C6 | AC SOL. d DC SOL. c |
e | e | |
| C1S | a | e | e | |
| C6S | a | e | e | |
Valve pressure loss

| Operation symbol | JIS symbol | P → A | P → B | A → T | B → T |
|---|---|---|---|---|---|
| A2X | c | c | – | – | |
| A3X | b | b | b | b | |
| A5 | – | b | b | – | |
| C1 | b | b | a | b | |
| C5 | b | b | b | b | |
| C6 | b | b | a | a | |
| C1S | b | b | b | b | |
| C6S | b | b | b | b |