คำอธิบาย
| Type | Port size | Effective area | CV Value | Control type | Valve type | Operating pressure |
| ST-402 | PT1/4 | 24mm² | 1.20 | Hand return | 5/2 way | 0-10kgf/cm² |
| ST-403 | PT3/8 | 24mm² | 1.20 | |||
| ST-402A | PT1/4 | 24mm² | 1.20 | Spring return | ||
| ST-403A | PT3/8 | 24mm² | 1.20 |
| Type | Port size | Effective area | CV Value | Control type | Valve type | Operating pressure |
| ST-402 | PT1/4 | 24mm² | 1.20 | Hand return | 5/2 way | 0-10kgf/cm² |
| ST-403 | PT3/8 | 24mm² | 1.20 | |||
| ST-402A | PT1/4 | 24mm² | 1.20 | Spring return | ||
| ST-403A | PT3/8 | 24mm² | 1.20 |