In demanding manufacturing environments, standard G4 filters often fail due to rapid face-loading, fiber migration, and sudden pocket collapse under elevated air velocity. Our primary bag filter solves these challenges through advanced structural engineering and material design:
Progressive Density Media: Constructed from non-shedding, thermal-bonded synthetic fibers adhering to EN779 testing standards, the multi-layered structure captures coarse particles deep within the primary fibers while retaining finer dust in the backing. This prevents premature surface blinding and ensures uniform dust distribution across all pocket channels.
Structural Rigidity & Low Resistance: Offers optimal pocket stability and ultra-low operating resistance, maintaining consistent airflow without risking pocket collapse or downtime.
Extended Service Life: By preventing sudden pressure spikes, this durable pre-filter drastically extends change-out intervals, protecting downstream filters and significantly reducing labor and maintenance costs.
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Built with a rigid alloy frame and internal support ribs, this 595x595x500mm primary air filter maintains structural integrity even under turbulent airflows exceeding 120% rated capacity.
To eliminate air bypass and maximize protection for downstream equipment, every unit is precision-engineered:
Ultrasonic-Welded Pockets: Headers are seamlessly welded to prevent needle-hole leakage and pocket clumping.
Professional Gasket Sealing: A premium ethyl acetate seal along the outer rim ensures an airtight fit against holding frames.
Zero-Bypass Protection: Guarantees peak filtration efficiency while safeguarding expensive downstream fans and secondary filters.
| Parameter | Specification |
| Product Model / SKU | G4 Synthetic Pocket Filter (595×595×500mm) |
| Dimensions (W×H×D) | 595 × 595 × 500 mm |
| Efficiency Class | G4 (EN779) |
| Filter Media | 22mm Thermal-bonded Synthetic Fiber |
| Frame Material | Alloy Frame with Support Ribs |
| Initial Resistance | 70 Pa |
| Airflow Tolerance | > 120% Rated Airflow |
| Humidity Limit | Max. 80% RH |
| Maintenance | Washable & Reconditionable |
| Applications | AHU Primary Stage, Cleanrooms, Spray Booths, HVAC |
Fully customizable specifications available. For detailed technical data, please 【visit the product page】 or 【reach out to our technical team】directly.
Primary Air Handling Unit (AHU) Systems: Functions as the reliable first barrier in continuous air filter for factory installations and centralized ventilation networks.
Cleanroom Pre-filtration: Intercepts heavy coarse dust in airlocks, extending the operational lifespan of downstream f5 filter and final HEPA stages.
Paint Spraying & Lackierkabine Filter Lines: Supplies steady, laminar pre-filtered air for taschenfilter lackierkabine automotive finishing bays to ensure flawless surface quality.
Commercial Infrastructure HVAC: Provides energy-efficient fresh air filter protection for high-traffic airports, commercial plazas, and large public venues.
Designed with long-term operational sustainability in mind, this washable pocket filter media supports gentle cleaning and air-blow reconditioning cycles without degrading structural pocket tension. Under standard operating dust loads, we recommend inspecting the pocket bag filter array quarterly. In heavy-load industrial setups, bi-monthly differential pressure checks ensure the unit maintains its initial low resistance of 70Pa, preventing fan motor overload and keeping overall plant energy consumption at a minimum.
Frequently Asked Questions
Q: Can this 595x595x500mm pocket filter be used in high-humidity environments?
A: Yes, the synthetic media pocket filter and all components are treated for moisture resistance, performing reliably in environments up to 80% RH.
Q: What is the primary benefit of using this G4 synthetic pocket filter over bag filters?
A: Our G4 synthetic pocket filter design provides superior dust holding capacity and structural stability, preventing the bag-clumping common in inferior industrial AHU air filter products.
Q: Is the 595x595x500mm pocket filter compatible with standard AHU tracks?
A: Yes, it is manufactured to international standard dimensions to ensure seamless integration into existing multi-pocket HVAC filter housing racks.
Q: How often should I wash this washable pocket filter G4?
A: Depending on the specific industrial工况 (operating conditions), it can be cleaned 2-3 times before the synthetic media pocket filter loses its primary coarse 60% pocket filter performance metrics.
Q: Does this high capacity pocket air filter provide better protection for HEPA filters?
A: Absolutely. By capturing 60% of coarse particulates, this filter effectively extends the service life of your final-stage HEPA filtration units.
