Normally closed. Valve trim disc position sensor is based on solid-state relay. One-way medium supply
Specifications
| Nominal diameter of large passage (DN1), mm | 50 | 80 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nominal diameter of small passage (DN2), mm | 15 | 25 | 25 | 32 | 40 | ||||||
| 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 mechanisms sealing according to GOST R 54808 | «A» class | ||||||||||
| Case material | steel 10Kh18N9L | ||||||||||
| Supply voltage |
| ||||||||||
| Consumed power (PF / PHold), W |
| ||||||||||
| Operation length, % | 100 | ||||||||||
| Activation frequency, cycle/min, not more than | 6 | ||||||||||
| Operational media temperature, ℃ | from -50 to +80 (short-time operation up to 100) from 5 to 200 (for «200C» design) | ||||||||||
| 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; (1Ex d IIC T4 Gb X, Ex (ISO/DIS 80079-36) IIC T6...T3 Gb X - only for «200C») | ||||||||||
| 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 | 532 | 532 | 639 | 639 | 639 | |||||
| B, not more than | 283 | 283 | 356 | 356 | 356 | ||||||
| C | 230 | 230 | 308 | 308 | 308 | ||||||
| Weight, kg, not more than | 25 | 36 | |||||||||
| Full service life, years | 40 | ||||||||||
Note. 1) When pressure is supplied in the opposite direction, the valve will be opened | |||||||||||