| Mounting position | optional | ||
| Symbol | 991,454 | ||
| Explosion protection | Zone 1 (ATEX) Zone 2 (ATEX) Zone 21 (ATEX) Zone 22 (ATEX) | ||
| Corrosion resistance class CRC | 4 - Very high corrosion stress | ||
| Type of mounting | With through-hole | ||
| Pneumatic connection, port 1 | G1/4 | ||
| Pneumatic connection, port 3 | G1/4 | ||
| Material sub-base | Ematal coated aluminium |
| Pilot air supply | External Internal | ||
| Operating pressure | 0 bar ... 12 bar | ||
| Operating medium | Compressed air to ISO 8573-1:2010 [7:-:-] | ||
| Degree of protection | IP65 | ||
| Pilot air port 12 | G1/4 | ||
| Pneumatic connection, port 2 | Flange 1/4 NAMUR port pattern | ||
| Note on materials | Contains paint-wetting impairment substances RoHS-compliant | ||
| Material seals | NBR |
