M&MZ series Portable Valve Grinding Machine is specially used for repairing gate valve,valve seat,valve cores.Grinding scope is from DN20 to DN1200mm
| Item | M-200 | M-300C | M-600 | MZ-150 | MZ-250 | MZ-900 | MZ-1200 |
| Grinding Range （mm） | DN80-200mm | DN100-400mm | DN200-600mm | DN50-180mm | DN95-270mm | DN400-960mm | DN630-1250mm |
| Voltage（V） | 220 | 220 | 220 | 220 | 220 | 220 | 220 |
| Power（W） | 1300 | 1300 | 1300 | 750 | 1300 | 1300 | 1300 |
| Frequency（HZ） | 50 | 50 | 50 | 50 | 50 | 50 | 50 |
| Max Grinding Depth（mm） | 600 | 850 | 900 | 420 | 600 | 1500 | 2400 |
| Valve sealing face min gap(mm) | 45 | 60 | 70 | 38 | 45 | 160 | 180 |
| Gross Weight（kg） | 31.5 | 80 | 90 | 20 | 31.5 | 170 | 142 |
