Normally closed. Valve disc status sensor(solid state relay). Actuator core is insulated from the working media. External heat carrier Two-way media flow.
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- Specifications
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Specifications
| Nominal diameter of large passage (DN1), mm | 80 | ||||||
|---|---|---|---|---|---|---|---|
| Nominal diameter of small passage (DN2), mm | 25 | 32 | 40 | ||||
| Nominal pressure (PN), kgf/cm² | 25 | ||||||
| Pressure difference (ΔP) for direct thrust, kgf/cm² | from 0 to 25 1) | ||||||
| Pressure difference (ΔP) for inverted thrust, kgf/cm² | from 0 to 8 1) | ||||||
| Working pressure, kgf/cm² | 38 | ||||||
| Closing mechanisms 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 5 to 195 | ||||||
| Ambient temperature, ℃ | from -50 (from -60 – on order) to +60 | ||||||
| Explosion protection marking | 1Ex d IIC T4 Gb X, Ex (ISO/DIS 80079-36) IIC T6...T3 Gb X | ||||||
| Orientation on the pipeline | with actuator of larger passage facing up ±90° | ||||||
| Process connection | flange design F according to GOST 33259-2015 (other – on order) | ||||||
Overall dimensions, mm | A, not more than | 656 | 656 | 656 | |||
| B, not more than | 373 | 373 | 373 | ||||
| C | 308 | 308 | 308 | ||||
| Weight, kg, not more than | 50 | ||||||
| Full service life, years | 40 | ||||||
Note. 1) ΔP, which guarantees «A» class closing mechanism sealing | |||||||