ATEX Areas • Zone 1 gas • Zone 21 dust • Pharma
Explosion proof pharmaceutical vacuum (ATEX II 1/2 GD) with ULPA U15 filter included and manual reverse pressure cleaning (MRP). Compressed air briefly reverse-purges a conductive aluminized spun-bond cartridge, cleaning it without physical handling. Detachable 36 L tank on stainless steel cart with ESD wheels. Available in four EU variants with full or limited zone coverage.
The CD/EUR-36L EX DT (MRP) ULPA is designed for pharmaceutical manufacturing where manual reverse pressure cleaning (MRP) is combined with ULPA U15 filtration in a robust ATEX II 1/2 GD certified platform. The model is available in four EU variants: 112160B1-SS (400 V 2.2 kW, Zone 1-2-21-22), 112160B3-SS (230 V 1.5 kW, Zone 1-2-21-22), 112157B1-SS (400 V, Zone 21 only), and 112157B3-SS (230 V, Zone 21 only). The 112160 series with full zone coverage is the primary choice for pharmaceutical use.
The MRP system uses compressed air to briefly reverse-purge a conductive aluminized spun-bond cartridge, cleaning it without physical handling or filter removal. This method is particularly well suited for continuous operation in production environments where downtime must be minimized and filter efficiency must be maintained. The conductive cartridge material ensures that static charge is safely dissipated.
ULPA U15 filtration (99.9995% at 0.18 micron MPPS) delivers the extreme safety margin required by modern high-potency API production. The entire structure – stainless steel tank, cart, motor mount – is fully antistatic with resistivity below 10 ohm. The system is therefore safe even in Zone 0 and Zone 20 (high-risk explosive atmosphere internally).
With a 2.2 kW (400 V) or 1.5 kW (230 V) TEFC motor, the unit delivers 212 m³/h airflow at a maximum vacuum of 2,540 mmH₂O. The detachable 36 L tank (DT) ensures easy handling and batch separation. A multimeter for ground continuity testing is included. Noise level is approximately 70–72 dB(A) with the integrated muffler.
| Parameter | Value |
|---|---|
| ATEX Certification | LCIE 03 ATEX 6295 X |
| ATEX Marking | II 1/2 GD |
| External Gas | Ex db h IIB T4 Gb |
| External Dust | Ex h tb IIIC T135°C Db IP65 |
| Internal Gas | Ex h IIC T6 Ga |
| Internal Dust | Ex h IIIC T50°C Da |
| Temperature Range | –5°C to +37°C |
| Standard | EN 17348 DT – IECEx LCI 10.0040X |
| Motor Type | TEFC, continuous duty |
| Power (400 V, 112160B1-SS) | 2.2 kW, 4.8 A, 3-phase – Zone 1-2-21-22 |
| Power (230 V, 112160B3-SS) | 1.5 kW, 12.3 A, single-phase – Zone 1-2-21-22 |
| Frequency | 50 Hz |
| Airflow | 212 m³/h |
| Max Vacuum | 2,540 mmH₂O |
| Vacuum (VRV) | 1,780 mmH₂O |
| Filter Class | ULPA U15 – included |
| Primary Filter | Conductive aluminized spun-bond cartridge – included |
| Filter Cleaning | Manual reverse pressure (MRP) |
| Inlet | Ø50 mm |
| Recovery Tank | 36 L, detachable (DT) |
| Dimensions | L78 x W56 x H178 cm |
| Weight | 99 kg |
| Power Cord | 10 m |
| Muffler | Stainless steel with sound insulation – included |
| Multimeter | Ground continuity tester – included |
Detachable Tank & Filter Chamber
Recovery tank
ULPA U15 Filter
Exhaust filter, included
MRP Cartridge
Conductive spun-bond, included
38 mm ESD Tool Set
OE1-5, included
50 mm ESD Tool Set
OE2, optional
MRP (Manual Reverse Pressure) uses compressed air to briefly reverse-purge the conductive spun-bond cartridge. The operator closes the inlet (via valve or handle) and opens the purge valve, sending compressed air backwards through the cartridge material. This reverse airflow dislodges collected particles without physical contact or removal, making it highly effective for continuous operation.
All four carry ATEX II 1/2 GD, but the 112160 series (B1 400 V and B3 230 V) covers Zone 1-2-21-22 – full zone coverage. The 112157 series (B1 400 V and B3 230 V) covers Zone 21 dust only, without gas zone classification. For pharmaceutical production, the 112160 series is recommended as it provides flexibility across both production zones (Zone 21) and storage zones (Zone 22).
The multimeter (ground continuity tester) verifies that the machine and tank maintain continuous electrostatic connection to ground (below 10 ohm). In ATEX environments, this is critical for safety – the operator can quickly confirm proper grounding before use, eliminating the risk of static ignition.
MRP uses compressed air for reverse-purging and is suited to continuous production where filter efficiency must be maintained without interruption. MFS (Manual Filter Shaking) uses mechanical agitation and does not require compressed air infrastructure. MRP provides faster and more thorough cleaning, while MFS is suited to intermittent use or locations without compressed air.
Yes. With ULPA U15 filtration, the exhaust meets ISO 4 cleanroom requirements per ISO 14644-1. The fully antistatic stainless steel construction and ESD-conductive wheels ensure the machine does not generate particles. The detachable tank design simplifies batch separation and prevents cross-contamination between products.
The primary filter is a conductive aluminized woven spun-bond cartridge designed specifically for MRP cleaning. The aluminized coating provides conductivity for safe static dissipation in ATEX environments, while the spun-bond medium offers high dust-release efficiency during reverse-purge cycles. This is different from the star-shaped cage cartridge used in MFS models.
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