AP175 LN₂ Ultrapure Cleanroom Fogger with rolling, stainless steel enclosure, ≈ 27–29 M³ / Min. ultrapure fog, ≈ 30–40 ft. visual distance, ≈ 2600–3000 M³ fog during typical 95–110 minute operation cycle to visualize airflow turbulence in large Clean Rooms, ISO Suites and Semiconductor Facilities. Dual 80mm fog outlets with velocity control and volume control.
Dewar Storage Tanks & On-Demand Boil-Off Pressure
AP Series LN2 Fogger Product Sheet
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The AP175 Ultrapure Cleanroom Fogger is a high-output LN₂ fogging system engineered for large cleanroom environments, delivering high fog density, extended runtime, and long-distance airflow visualization.
Positioned between the AP100 and AP200, the AP175 is designed for environments requiring significantly more fog volume and coverage than standard systems, while maintaining controlled, stable fog delivery using a dewar-style LN₂ system.
Using Applied Physics’ ultrapure fogging technology, the AP175 generates a dense, residue-free fog using Liquid Nitrogen (LN₂) and DI / WFI water, enabling precise visualization of:
Across:
These values scale appropriately above the AP100 platform (~15.5 m³/min baseline) while maintaining realistic performance expectations for dewar-driven systems.
The AP175 utilizes a dewar-style LN₂ system, a widely used and proven method for cleanroom smoke studies and airflow visualization.
Dewar systems rely on:
This process creates a stable, predictable fog generation system without mechanical pressurization.
Dewar systems are widely used across:
They are a known, accepted standard for airflow visualization and validation.
Dewar-style systems provide:
This is critical for:
With fewer active components, dewar systems offer:
Fewer failure points = more dependable testing in critical environments
Dewar systems are well suited for controlled environments because they:
Ultrapure LN₂ foggers operate at very low exit pressure, which:
This is essential for high-accuracy smoke studies.
When properly engineered—as in the AP175—dewar systems can:
Making them suitable for:
Fog density is the primary driver of visibility.
Higher fog density allows:
With ~2600–2900 ml/min, the AP175 delivers:
| Model | Fog Volume | Fog Density | Runtime | Distance | Best Use |
|---|---|---|---|---|---|
| AP50 | ~10–12 m³/min | ~1000–1200 ml/min | ~75 min | ~18–25 ft | Medium rooms |
| AP95 | ~19–20 m³/min | ~1900–2000 ml/min | ~85–95 min | ~25–35 ft | Medium–Large rooms |
| AP100 | ~15.5 m³/min | ~1520 ml/min | ~90 min | ~30–40 ft | Large rooms |
| AP175 | ~27–29 m³/min | ~2600–2900 ml/min | ~95–110 min | ~30–40 ft | Large environments |
| AP200 | ~32+ m³/min | ~3200+ ml/min | ~100+ min | ~30–50 ft | Massive facilities |
Produces:
Choose the AP175 when:
The AP175 delivers:
It is engineered for teams that require consistent, dependable airflow visualization in large cleanroom environments.
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