NIPPON MUKI
DSH Heat-Resistant Pre-Filter (180°C / 240°C)
Product Overview
DSH is a heat-resistant pre-filter with 90% efficiency, available in DSH-200 (180°C) and DSH-200H (240°C) grades. Heat-resistant non-woven media makes it the economical choice as a pre-filter for 250°C-class systems.
Key features
・Continuous 180°C (DSH-200) or 240°C (DSH-200H)
・90% efficiency
・Heat-resistant non-woven media
・Economical pre-filter for 250°C systems
Target industries:Medical, Pharmaceutical, Electronics, Power generation, Nuclear power
Features & Specifications
| No. | Model | Efficiency | W (mm) | H (mm) | D (mm) | Face velocity (m/s) | Initial PD (Pa) |
|---|---|---|---|---|---|---|---|
| 1 | DSH-200-22-REA-20 | 90% | 500 | 500 | 20 | 1 | 45 |
| 2 | DSH-200H-22-REA-20 | 90% | 500 | 500 | 20 | 1 | 45 |
Detailed Description
DSH comes in two temperature grades: DSH-200 (180°C) for general high-temperature HVAC, and DSH-200H (240°C) to pair with ATMCH / ATMCH-SL 250°C HEPA filters.
Materials & Construction
| Property | Specification |
|---|---|
| Filter frame | ALUMINUM |
| Media | NONWOVEN FABRIC |
| Max. temperature | 180°C / 240°C |
| Separator | - |
| Gasket | - |
| Grille (downstream) | - |
| Grille (upstream) | - |
| Sealant | - |
| Max airflow | Can be calculated on request |
| Max final PD (Pa) | 294 |
Applications
- Coarse pre-filter for 250°C HEPA systems - Paint-booth / drying-oven pre-filtration - Food and medical high-temperature HVACSelection Notes
- **DSH-200 (180°C)** — general high-temperature systems. - **DSH-200H (240°C)** — pre-filter for 250°C HEPA. - Specified by face velocity (m/s).Selection References
Before ordering, verify the efficiency grade, media type, and whether the operating environment fits your requirements.






