Panel Pre-Filter，Class G3 to G4
初效金属框可水洗过滤器
Advantages 特点：
• Protection via 2 grids
双面金属护网保护
• Ultra compact
非常简洁，紧凑
• Progressively built-up termal bonded polyester fibre
滤料采用从表至里，由疏至密的聚酯纤维热熔喷工艺成型
Application: Pre-filter in air ventilation system,prevention of dust and dirt build up on heating/cooling coils.
应用: 送风系统里的预过滤，避免盘管积垢
Specification 性能参数
Type: Pre-filter.
类型：预过滤器
Media: Polyester fibre.
滤材：聚酯纤维
外框材质：镀锌钢板/铝合金/防水纸框
EN779:2011 filter class:G3(EN779), 90%≥EA≥80% @Arrestance efficiency
G4(EN779), EA≥90% @Arrestance efficiency
过滤效率等级：G3(EN779), 90%≥EA≥80% @计重效率
G4(EN779), EA≥90% @计重效率
Recommended final pressure drop: 250 Pa.
建议终阻力：250Pa
Temperature: 100ºC maximum in continuous service.
连续稳定运行温度: 不高于100ºC
Thickness vs Efficiency vs Pressrue drop
厚度/效率/阻力-对应关系表
| Thickness | 初阻力Pressure drop | ||
| 厚度 | @2.5m/s/Pa | ||
| (Inches) | (mm) | G3 | G4 |
| 1 | 25 | 55 | 65 |
Dimensions vs Air flow
长&宽尺寸/风量-对应关系表
| Dimensions (H x W) | Air Flow | |
| (Inches) | (mm) | m3/Hr @2.5m/s |
| 24×24 | 592×592 | 3400 |
| 24×12 | 592×287 | 1700 |
| 24×20 | 592×490 | 2800 |
| 20×20 | 490×490 | 2300 |
Note：Pressure drop +/-15%
Odd sizes available
注：阻力 +/-15%
可定制任意非标尺寸