Normally closed. Hand-wheel. Valve disc status sensor(solid state relay). PTFE sealing One-way media flow.
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- Specifications
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Specifications
| Nominal diameter (DN), mm | 15 | 20 | 25 | 32 | 40 | 50 | 80 | 100 | |||||||
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| Effective diameter, mm | 15 | 20 | 25 | 32 | 40 | 50 | 80 | ||||||||
| Nominal pressure (PN), kgf/cm² | 25 | ||||||||||||||
| Pressure difference (ΔP) for direct thrust, kgf/cm² | from 0 to 25 | ||||||||||||||
| Pressure difference (ΔP) for inverted thrust, kgf/cm² | not applied 1) | ||||||||||||||
| Working pressure, kgf/cm² | 38 | ||||||||||||||
| Closing mechanism sealing according to GOST R 54808 | «A» class | ||||||||||||||
| Case material | steel 10Kh18N9L | ||||||||||||||
| Supply voltage |
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| Consumed power (PF / PHold), W |
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| Operation length, % | 100 | ||||||||||||||
| Activation frequency, cycle/min, not more than | 6 | ||||||||||||||
| Operational media temperature, ℃ | from -50 to +80 | ||||||||||||||
| Ambient temperature, ℃ | from -50 (from -60 - on order) to +60 | ||||||||||||||
| Orientation on the pipeline | with drive facing up ±90° | with drive facing up ±5° | |||||||||||||
| Process connection | flange design F according to GOST 33259-2015 (other – on order) | ||||||||||||||
Overall dimensions, mm | A, not more than | 234 | 238 | 374 | 374 | 425 | 413 | 502 | 502 | ||||||
| B, not more than | 197 | 202 | 238 | 238 | 281 | 281 | 339 | 339 | |||||||
| C | 132 | 132 | 196 | 196 | 230 | 230 | 308 | 308 | |||||||
| Explosion protection marking | non-electrical part: 1Ex h IIC T6 Gb X; actuator: 1Ex db IIC T4 Gb X | ||||||||||||||
| Full service life, years | 40 | ||||||||||||||
| Weight, kg, not more than | 6.5 | 7 | 10 | 11 | 16 | 17.5 | 30 | 32 | |||||||
Note. 1) When pressure is supplied in the opposite direction, the valve will be opened | |||||||||||||||