Normally closed / normally open. Reserve manual actuator (hand wheel). Valve trim disc position sensor is based on solid-state relay. Two-way media flow.
Specifications
| Nominal diameter (DN), mm | 15 | 20 | 25 | 32 | 40 | 50 | 80 | 100 | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Effective diameter, mm | 15 | 20 | 25 | 32 | 40 | 50 | 80 | ||||||||
| Nominal pressure (PN), kgf/cm² | 25 (40 - on order) | ||||||||||||||
| Pressure difference (ΔP) for direct thrust, kgf/cm² | from 0 to 25 (to 40 - on order) 1) | ||||||||||||||
| Pressure difference (ΔP) for inverted thrust (for NC), kgf/cm² | from 0 to 16 (to 25 - on order) 1) | ||||||||||||||
| Pressure difference (ΔP) for inverted thrust (for NO), kgf/cm² | from 0 to 12 (to 20 - on order) 1) | ||||||||||||||
| Working pressure, kgf/cm² | 38 (for PN25), 60 (for PN40) | ||||||||||||||
| 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 (short-time operation up to 100) | ||||||||||||||
| 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 Gb X | ||||||||||||||
| Orientation on the pipeline | with drive facing up ±90° in the top hemisphere | ||||||||||||||
| Process connection | flange design F according to GOST 33259-2015 (other – on order) | ||||||||||||||
| Overall dimensions, mm, NC / NO:  | A, not more than | 234 | 238 | 374 / 370 | 374 / 370 | 425 / 418 | 425 / 418 | 496 / 492 | 496 / 492 | ||||||
| B, not more than | 188 | 192 | 238 / 236 | 238 / 236 | 281 / 270 | 281 / 270 | 336 / 332 | 336 / 332 | |||||||
| C | 132 | 132 | 196 | 196 | 230 | 230 | 308 | 308 | |||||||
| Weight, kg, not more than | 6.5 | 7 | 10 | 11 | 16 | 17.5 | 30 | 32 | |||||||
| Full service life, years | 40 | ||||||||||||||
Note. 1) ΔP, which guarantees «A» class closing mechanism sealing | |||||||||||||||