NIPPON MUKI
ATMCH High-Airflow Heat-Resistant HEPA Filter (250°C)
Product Overview
ATMCH is a high-airflow 250°C heat-resistant HEPA filter with 99.97% efficiency @ 0.3 μm, built on a separator-type frame. Compared to H14CH, ATMCH follows the Japanese @ 0.3 μm efficiency standard, offers higher airflow and is more cost-effective.
Key features
・Continuous operation up to 250°C
・99.97% @ 0.3 μm filtration efficiency
・High-airflow design (>2000 CMH per unit)
・Separator-type HEPA construction
Target industries:Medical, Pharmaceutical, Electronics, Power generation, Nuclear power
Features & Specifications
| No. | Model | Efficiency | W (mm) | H (mm) | D (mm) | Airflow (CMM) | Airflow (CMH) | Initial PD (Pa) |
|---|---|---|---|---|---|---|---|---|
| 1 | ATMCH-Z-Q-FS4HR | 99.97%@0.3μm | 305 | 305 | 150 | 6.0 | 360 | 249±20 |
| 2 | ATMCH-Z-Q-FS4HR | 99.97%@0.3μm | 305 | 610 | 150 | 13.0 | 780 | 249±20 |
| 3 | ATMCH-Z-Q-FS4HR | 99.97%@0.3μm | 457 | 457 | 150 | 14.5 | 870 | 249±20 |
| 4 | ATMCH-28-FS4HR | 99.97%@0.3μm | 610 | 610 | 150 | 28.0 | 1680 | 249±20 |
| 5 | ATMCH-Z-Q-FS4HR | 99.97%@0.3μm | 915 | 610 | 150 | 42.5 | 2550 | 249±20 |
| 6 | ATMCH-Z-P-FS4HR | 99.97%@0.3μm | 305 | 305 | 290 | 9.0 | 540 | 249±20 |
| 7 | ATMCH-Z-P-FS4HR | 99.97%@0.3μm | 305 | 610 | 290 | 19.0 | 1140 | 249±20 |
| 8 | ATMCH-Z-P-FS4HR | 99.97%@0.3μm | 457 | 610 | 290 | 29.5 | 1770 | 249±20 |
| 9 | ATMCH-41-P-FS4HR | 99.97%@0.3μm | 610 | 610 | 290 | 41.0 | 2460 | 249±20 |
| 10 | ATMCH-Z-P-FS4HR | 99.97%@0.3μm | 762 | 610 | 290 | 52.0 | 3120 | 249±20 |
Detailed Description
ATMCH is the 250°C Japanese-standard HEPA with separator-type construction. Its high-airflow design suits continuous-throughput applications such as clean ovens and post-sterilization cooling corridors.
Materials & Construction
| Property | Specification |
|---|---|
| Filter frame | STAINLESS STEEL |
| Media | GLASS PAPER |
| Max. temperature | 250°C |
| Separator | ALUMINUM |
| Gasket | PTFE / GLASS PAPER |
| Grille (downstream) | - |
| Grille (upstream) | - |
| Sealant | GLASS FIBER+SILICONE |
| Max airflow | Can be calculated on request |
| Max final PD (Pa) | 498 |
Airflow vs Pressure Drop (representative)
Applications
- High-temperature section of clean ovens - Cooling zones of sterilizers - Food and medical high-temperature HVACSelection Notes
- For EN 1822 compliance, choose H14CH/H13CH. - For Japanese @ 0.3 μm standard, choose ATMCH (this model). - **150 mm / 290 mm** — select by airflow.Selection References
Before ordering, verify the efficiency grade, media type, and whether the operating environment fits your requirements.





