Product Model
vuws-lt20-t32h-m-n18

Key Features
- 1High Flow Rate: Standard nominal flow rate of 600 l/min for efficient air control.
- 2Robust Design: Constructed with die-cast aluminum housing and soft sealing principle for durability.
- 3ATEX Compliance: Certified for use in Zone 1, Zone 2, Zone 21, and Zone 22 environments.
- 4Fast Switching Times: Switching time off at 18 ms and switching time on at 6 ms for quick valve operation.
- 5Vibration and Shock Resistance: Tested to severity level 2 according to EN 60068-2-6 and EN 60068-2-27 standards.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Valve function | 2x3/2, open/closed, monostable | Actuation type | Pneumatic |
| Valve size | 21mm | Standard nominal flow rate | 600l/min |
| Pneumatic working port | 1/8 NPT | Operating pressure | -0.9bar 10bar |
| Structural design | Plate seat | Reset method | Mechanical spring |
| Certification | c UL us - Recognized (OL) | Nominal width | 5.2mm |
| Exhaust air function | With flow control option | Sealing principle | Soft |
| Mounting position | Any | Manual override | None |
| Type of control | Direct | Pilot air supply port | Internal |
| Flow direction | Non-reversible | Symbol | 00995853 |
| Lap | Underlap | Pilot pressure MPa | 0.15MPa 1MPa |
| Pilot pressure | 1.5bar 10bar | Switching time off | 19ms |
| On switching time | 6ms | Explosion prevention and protection | Observe the information on the certificate Zone 1 (ATEX) Zone 2 (ATEX) Zone 21 (ATEX) Zone 22 (ATEX) |
| Operating medium | Compressed air as per ISO 8573-1:2010 [7:4:4] | Information on operating and pilot media | Operation with oil lubrication possible (required for further use) |
| Vibration resistance | Transport application test with severity level 2 as per FN 942017-4 and EN 60068-2-6 | Shock resistance | Shock test with severity level 2 as per FN 942017-5 and EN 60068-2-27 |
| Corrosion resistance class (CRC) | 2 - Moderate corrosion stress | LABS (PWIS) conformity | VDMA24364-B1/B2-L |
| Cleanroom class | Class 6 according to ISO 14644-1 | Temperature of medium | -10°C 60°C |
| Pilot medium | Compressed air as per ISO 8573-1:2010 [7:4:4] | Ambient temperature | -5°C 60°C |
| Product weight | 190g | Type of mounting | Optionally: On terminal strip With through-hole |
| Venting hole connection | Not ducted | Pilot air port 10 | 10-32 UNF-2B |
| Pilot air port 14 | 10-32 UNF-2B | Pneumatic connection 1 | 1/8 NPT |
| Pneumatic connection 2 | 1/8 NPT | Pneumatic connection 3 | 1/8 NPT |
| Note on materials | RoHS-compliant | Seals material | HNBR NBR TPE-U(PU) |
| Housing material | Die-cast aluminum Painted | Material of screws | Steel, galvanized |
| Manufacturer ID | 577538 |
Specifications may be subject to change without notice
