High flow HVAC filter is a high-capacity pleated filtration element designed for HVAC water loop protection and industrial ultrafiltration pretreatment. This liquid filter effectively intercepts sediment and suspended particles while maintaining low pressure drop under large volumetric flow. It can be matched with PARKER High-flow water filter cartridge and HFU640UY100J high flow filter cartridge to build multi-stage prefiltration for circulating water and raw water purification. Widely deployed in commercial buildings, power plants and chemical plants for HVAC and UF water treatment workflows.
High Flow HVAC Filter Cartridge for Industrial UF Pretreatment Systems
High flow HVAC filter is a high-capacity pleated filtration element designed for HVAC water loop protection and industrial ultrafiltration pretreatment. This liquid filtereffectively intercepts sediment and suspended particles while maintaining low pressure drop under large volumetric flow. It can be matched with PARKER High-flow water filter cartridge and HFU640UY100J high flow filter cartridge to build multi-stage prefiltration for circulating water and raw water purification. Widely deployed in commercial buildings, power plants and chemical plants for HVAC and UF water treatment workflows.
High flow HVAC filter is a large-diameter pleated filter cartridge engineered for two core scenarios: HVAC chilled / hot circulating water filtration and upstream pretreatment protection for ultrafiltration membrane systems. This high flow filter is designed to remove suspended solids, pipeline scale, rust particles, silt and colloidal contaminants within circulating water and raw water before the fluid enters HVAC heat exchangers or UF membrane modules. By capturing particulate contaminants in advance, it protects expensive heat exchange equipment and ultrafiltration membranes, reduces fouling risk, extends equipment service life and lowers maintenance costs for HVAC and water treatment systems.
Different from conventional small-diameter filter cartridges, the high flow HVAC filter adopts a wide-diameter pleated structure that dramatically increases the effective filtration surface area for each single cartridge. With the same total system flow requirement, fewer cartridges are required inside filter housings. This design reduces spare parts inventory, speeds up cartridge replacement and cuts long-term operating expenditure for facility managers and water treatment integrators. When designing a complete water treatment skid, engineers can combine this high flow HVAC filter with Parker MFNP050-40N Fulflo Mega-Flow Large Diameter Filter and Replace Pall Ultipleat High-Flow Cartridge for Ultrafiltration to construct gradient multi-stage raw water and circulating water filtration.
The high flow HVAC filter uses glue-free thermal fusion pleating technology. No adhesive is used inside the filter medium, eliminating the risk of glue dissolution and secondary contamination under continuous high flow scouring. End caps and internal/external support cores are integrally molded polypropylene, delivering robust structural stability during fluctuating pressure and continuous high-volume water flow. Whether you are replacing worn cartridges in an existing HVAC circulating water line or sourcing prefiltration consumables for newly commissioned ultrafiltration equipment, the high flow HVAC filter provides stable, repeatable filtration performance for both building HVAC and industrial UF pretreatment applications.
High flow HVAC filter operates on surface-depth composite pleated filtration principle. Circulating water or raw water enters the filter housing and flows radially inward from the outer pleated surface of the cartridge. Larger solid particles, rust chips and sediment are trapped on the outer pleated layer. Fine colloids and tiny suspended particles penetrate into the layered polypropylene fiber medium and get captured within the dense fiber gaps.
The optimized wide-area pleat layout evenly distributes trapped contaminants over the entire filter medium surface instead of letting pollutants pile up only on the outer layer. This slows the rising speed of inlet-outlet differential pressure, maximizes dirt holding capacity and extends the usable operating cycle of each cartridge. When the pressure difference between filter inlet and outlet reaches the preset threshold value, the filter medium becomes saturated with captured impurities, and operators need to install new high flow HVAC filter cartridges.
This filter acts as a critical protective barrier for HVAC heat exchangers and ultrafiltration membranes. Without upstream filtration, particle-laden water will directly impact heat exchanger surfaces and UF membrane modules. Contaminant deposition clogs flow channels and membrane pores, accelerates fouling, increases chemical cleaning frequency, and may cause permanent damage to costly equipment. When installed in series with PFTM11UEPFA high flow filter cartridge for multi-stage combined filtration, the long-term stability of HVAC and ultrafiltration systems can be greatly improved. It is important to note that this high flow HVAC filter only removes solid particulate impurities, and it cannot remove dissolved ions, so it functions exclusively as mechanical prefiltration for circulating water and UF pretreatment.
| Item | Specification |
|---|---|
| Product Name | High Flow HVAC Filter |
| Filtration Rating | 1~70 μm nominal, multiple micron grades available |
| Cartridge Length | 40 inch / 60 inch |
| Filter Media | Pleated reinforced polypropylene |
| Support & End Cap Material | Polypropylene |
| Outer Diameter | 152 mm |
| Inner Diameter | 63 mm |
| Single Cartridge Rated Flow | 90–140 m³/h |
| Max Operating Temperature | 65 ℃ |
| Max Working Pressure | 1.0 MPa |
| Recommended Replacement Differential Pressure | 0.35 MPa |
| Connection Style | High flow bayonet locking end cap |
| Chemical Compatibility | Compatible with neutral water, weak acid and weak alkaline aqueous circulating fluids |
Every batch of high flow HVAC filter undergoes full-process production inspection and finished-product performance testing before shipment. Incoming raw material inspection is carried out for polypropylene filter media, support cores and end caps to ensure batch-to-batch consistency. During manufacturing, sampling inspections verify pleating uniformity, thermal bonding strength and sealing integrity of end caps.
Finished product tests include bubble point integrity test, cyclic pressure impulse test and water flow pressure drop detection. Defective cartridges with medium cracks, poor sealing or loose structures are fully eliminated. The glue-free thermal bonding process removes the risk of adhesive leaching that may contaminate HVAC circulating water or process water.
Products follow strict industrial filtration quality standards. Each filter cartridge is individually packaged to avoid dust and particle contamination during storage and transportation. Complete technical datasheets are provided for engineering design, BOM creation and quotation reference. After installation and before system startup, on-site inspection should be performed to confirm filter housing interface matching and sealing integrity.
High flow HVAC filter is widely used for HVAC circulating water filtration and ultrafiltration pretreatment, with broad coverage of other industrial liquid filtration applications.
HVAC circulating water filtration for commercial buildings, hospitals and large industrial facilities: intercept pipeline rust, sediment and suspended solids, protect heat exchangers, chillers and cooling towers, reduce scaling and fouling.
Industrial ultrafiltration system pretreatment: capture sediment, iron oxide scale and suspended particles, protect UF membrane elements, reduce chemical cleaning frequency, suitable for raw water purification and reclaimed water reuse projects.
Power plant water treatment: prefiltration for boiler makeup water and condensate water, removing pipeline rust and particulate pollutants.
Food and beverage industry: raw water pretreatment for drinking water and beverage production to remove granular impurities.
Chemical industry: process water filtration and circulating cooling water pretreatment for chemical production lines.
Municipal water reuse: large-flow raw water prefiltration for municipal wastewater recycling and water plant projects.
System designers can configure multi-stage gradient filtration according to raw water turbidity and pollutant composition of each individual project to achieve better overall filtration efficiency.
A: It serves two primary purposes. First, it filters HVAC chilled and hot circulating water, protecting chillers, heat exchangers and cooling towers from particle fouling. Second, it works as upstream pretreatment filter for ultrafiltration systems, intercepting suspended solids and silt to reduce the pollutant load on UF membranes and extend membrane service life.
A: There is no fixed time-based lifespan. Service cycle depends on water turbidity, contaminant concentration and real operating flow rate. The recommended replacement trigger is when inlet-outlet differential pressure reaches 0.35 MPa.
A: It is a disposable pleated filter cartridge. Once fiber gaps are saturated with trapped contaminants, backwashing cannot fully restore filtration performance. Reuse after cleaning creates particle leakage risks; direct replacement is recommended.
A: It fits 40-inch or 60-inch large flow filter housings with bayonet locking interface. Before ordering, verify housing interface dimensions, internal cavity space and pressure rating to prevent installation mismatch.
A: Polypropylene material has good tolerance for weak acid and weak alkaline aqueous media. It is not suitable for long-term continuous use in high-concentration strong acid or strong alkali environments. Contact our technical team for assessment of special chemical medium working conditions.
A: The required quantity is calculated by total system flow rate, single-cartridge rated flow and water quality parameters. Calculate based on the official datasheet and reserve a reasonable surplus to accommodate fluctuations in raw or circulating water quality.
Other products you may want to know about:
Get a FREE Quote
RELATED PRODUCTS
Leave a message
If you want to get more details about filter and filtration equipment, you can send E-mail to filter01@lefilter.com. You can consult our professional engineer and specialized sales team with leave a message in below form. We will contact with you ASAP. You also can visit our factory in Henan China.