DN: 15 - 25
PN: 40 -160 bar
t max°: 220 °С
Body material: stainless steel
Connection: wafer
ASTA P642 is a wafer-type single-seat two-way control valve of compact design, which is controlled by an electric/pneumatic actuator. These valves are designed for precise flow control and are used in high-pressure process systems.
| Nominal diameter DN | 15 – 25 | |
| Nominal pressure PN | 40-160 | |
| Temperature of working medium | From –60 °C to +220 °C | |
| Working medium | Water, steam, compressed air, and other media compatible with the valve design | |
| Control characteristics | Linear / equal percentage* / cut-off* | |
| Control range | 30:1 | |
| Capacity, Kvs | 4 – 10 m3/h | |
| Pressure compensation | Unbalanced by pressure | |
| Tightness class | IV according to GOST 9544-2015 | |
| Connection type | Wafer | |
| Control type | Electric actuator / pneumatic actuator | |
| № | Name | Material |
|---|---|---|
| 1 | Body | Stainless steel 12Х18Н9 |
| 2 | Guide | Stainless steel 12Х18Н9 |
| 3 | Plunger | Stainless steel 12Х18Н9 |
| 4 | Rod | Stainless steel 12Х18Н9 |
| 5 | Rod seal | PTFE |
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