| Nominal pressure MPa |
one |
one point six |
two point five |
four |
| Valve strength test pressure MPa |
one point five |
two point four |
three point eight |
six |
| Valve sealing test pressure MPa |
one point one |
one point eight |
two point eight |
four point five |
| Applicable temperature ℃ |
≤ 425 ℃ ≤ 325 ℃ normal temperature |
| Main materials |
Cast steel, stainless steel |
| Applicable media |
Pulverized coal, coal ash, dust and gas |
| Flange standard |
JB/T82.1-94 |
| Valve structure length standard |
GB12221-89 |
