| Product type | On/off valve |
| Valve Type | Lock Hopper Ball Valve |
| Model | Q*49H |
| Size | NPS 3～NPS 24 |
| Operating temp. | -46℃～593℃ |
| Seal type | Metal to Metal |
| Operating pressure | CLASS 150～CLASS 900 |
| Material | WCB/LCB/CF8/CF8M etc. |
| standard | API 608/ISO 17292/BS 5351 |
| Face to face | ASME B16.10 |
| Connection | ASME B16.5 |
| Test std. | API 598/ISO 5208 |
| Operation | Worm wheel wheel, electric, pneumatic |
| Application | Water-coal slurry service |
| Remark 1 | Fire-safe and anti-static design |
| Remark 2 | Valve stem anti-blow out design to prevent stem blow out caused by abnormal pressurization of the pipeline |
| Remark 3 | Wear-resistant,erosion resistant |
