881-250-E'
| General information | ||
|---|---|---|
| Equipment type: | Gate valves | |
| Subtype: | High parameters valves | |
| Working medium: | steam | |
| Body material: | 15Х1М1ФЛ | |
| Temperature: | 545 | °C |
| Description for 881-250-E' |
|---|
| Gate valves are designed for water and steam lines leak-free shutoff. These valves can be applied only for full valve opening or shutoff. Gate valves can’t be used as control valves |
| Characteristics | ||
|---|---|---|
| Diameter, DN: | 250 | mm |
| Temperature: | 545 | °C |
| Hydraulic resistance cofficient, ξ: | 0.38 | |
| Torque of a spindle?: | 8800 | |
| Number of revolutions: | 26.25 | |
| Working stroke: | 315 | mm |
| Dimensions | ||
|---|---|---|
| Height (H): | 2170 | mm |
| D2: | 426 | mm |
| D1: | 270 | mm |
| Length (L): | 1150 | mm |
| A: | 320 | mm |
| Weight: | 3464 | kg |
| Weight including actuator: | 4403 | kg |
| Working stroke: | 315 | mm |
| Drive | ||
|---|---|---|
| Control type: | Э | |
| Actuator type: | 854-Э-0 | |
| Actuator power: | 20 | kW |
| Stroke time: | 77 | s |
| Pressure, PN: | 25 | MPa |
| Overall drawing 881-250-E' * |
|---|
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