valve
| NO. | model | Nominal diameter(mm) | Nominal pressure(MPa) | Operating temperature(℃) | medium | supplier |
| 1 | NKZ944H-C-300 | 50 | 1.0/1.6/2.5 | ≤425 | H₂O、V、AIR | Check → |
| 2 | NKZ944H-C-350 | 65 | 1.0/1.6/2.5 | ≤425 | H₂O、V、AIR | Check → |
| 3 | NKZ944H-C-400 | 80 | 1.0/1.6/2.5 | ≤425 | H₂O、V、AIR | Check → |
| 4 | NKZ944H-C-450 | 100 | 1.0/1.6/2.5 | ≤425 | H₂O、V、AIR | Check → |
| 5 | NKZ944H-C-500 | 125 | 1.0/1.6/2.5 | ≤425 | H₂O、V、AIR | Check → |