‌EFU Equipment Fan Filter Unit Selection Guide: How to Choose the Right Model‌

As a ‌20-year expert‌ in cleanroom equipment manufacturing, ‌WuJiang DeshengXin Purification Equipment Co., LTD‌ provides this comprehensive ‌EFU‌ selection guide to help professionals make informed decisions for their critical environments.

‌1. Key Factors in EFU Selection‌

‌A. Filtration Efficiency Requirements‌

• ‌HEPA filters‌: 99.97% @0.3µm (ISO Class 5-8)

• ‌ULPA filters‌: 99.99995% @0.12µm (ISO Class 1-3)

• ‌Specialty options‌: Boron-free (PTFE) for semiconductor applications

‌B. Airflow Specifications‌

• Standard range: ‌0.35-1.8 m/s‌ (adjustable)

• Customizable ‌CFM values‌ for equipment-specific needs

‌C. Housing Materials‌

• ‌Stainless steel‌: Pharma/life sciences

• ‌Baked enamel steel‌: General industry

• ‌Aluminum‌: Lightweight applications

‌2. Application-Specific Selection Guide‌

‌A. Semiconductor Manufacturing‌

✔ ‌ULPA filtration‌ with PTFE membranes
✔ ‌Vibration-dampened‌ mounting
✔ ‌Chemical filtration‌ for etch/deposition tools

‌B. Pharmaceutical Production‌

✔ ‌Sterilizable‌ stainless steel housings
✔ ‌GMP-compliant‌ sealing
✔ ‌Dual HEPA‌ redundancy

‌C. Electronics Assembly‌

✔ ‌ESD-safe‌ materials
✔ ‌Compact designs‌ for tool integration
✔ ‌Low-turbulence‌ airflow

‌3. Technical Comparison Table‌

‌4. Why Choose DeshengXin EFUs?‌

✔ ‌Full in-house production‌ - Complete control over quality
✔ ‌10+ production lines‌ - Bulk order capability
✔ ‌Engineer-to-order‌ - Custom dimensions/functions