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Broad square coverage
Equal 1175 mm sides distribute filtered air over large square tools and work zones.
STJH-EQUIPMENT-FAN-FILTER-UNIT-4X4
Equipment Fan Filter Unit 4 × 4 ft
A large square EFU for broad tool-top clean-air zones and process enclosures.
- 1175 mm square footprint
- 0.3-0.5 m/s air speed
- 275 Pa static pressure
Product Introduction
The 4 x 4 EFU expands to a 1175 x 1175 mm square footprint with a 160 + 35 mm cabinet height. It operates across a cited 0.3-0.5 m/s air-speed range, provides 275 Pa static pressure and uses 100-175 W. Its equal-sided geometry suits large square process enclosures that need broad localized coverage rather than the narrow pressure-priority layout of the 2 x 4 unit.
Key Features
Defined velocity range
The 0.3-0.5 m/s duty supports balancing for different process openings.
Intermediate pressure capability
A 275 Pa static value balances broad face area with equipment resistance.
Technical Parameters
| Nominal Format | 4 x 4 |
|---|---|
| Footprint | 1175 x 1175 mm |
| Cabinet Height | 160 + 35 mm |
| Static Pressure | 275 Pa |
| Air Speed | 0.3-0.5 m/s |
| Power Input | 100-175 W |
| Sound Level | 45-51 dBA |
| Installation | Full-perimeter supported equipment-roof mounting |
| Airflow Control | Adjusted to the required process velocity |
| Customization | Available based on the intended application and operating environment. |
Applications
Suitable for large process enclosures, square tool roofs and localized mini-environments. The equipment structure and return path must support the wider airflow face and selected operating velocity.
Solutions for Your Application
Available Options
Select the final filter, fan control, electrical package and sealing interface for the tool. Confirm the required velocity and structural support.
Planning a Equipment Fan Filter Unit 4 × 4 ft specification?
Send us your dimensions, installation conditions, performance targets and required surface finish.
