RTM41HF050E is a large-diameter pleated high flow filter cartridge used in the pretreatment stage of industrial ultrafiltration equipment. This liquid filter features high dirt holding capacity and stable low pressure drop under continuous high-volume raw water operation. It can work with Replace 3M 740B Series High-Flow Cartridge and 3M High-flow water filter cartridge to construct multi-stage prefiltration systems for raw water treatment skids. It provides reliable prefiltration protection for municipal water reuse, power, chemical, food and beverage water treatment projects around the world.
RTM41HF050E High Flow Filter Element for Industrial UF Pretreatment
RTM41HF050E is a large-diameter pleated high flow filter cartridge used in the pretreatment stage of industrial ultrafiltration equipment. This liquid filter features high dirt holding capacity and stable low pressure drop under continuous high-volume raw water operation. It can work with Replace 3M 740B Series High-Flow Cartridge and 3M High-flow water filter cartridge to construct multi-stage prefiltration systems for raw water treatment skids. It provides reliable prefiltration protection for municipal water reuse, power, chemical, food and beverage water treatment projects around the world.
RTM41HF050E is a high-performance large-diameter pleated filter cartridge specially engineered as a prefiltration consumable for ultrafiltration water treatment systems. Installed on the upstream side of UF membrane modules, its core function is to capture suspended solids, fine silt, pipeline rust, colloids and granular contaminants in raw water before the fluid enters ultrafiltration membranes. By intercepting particulate pollutants in advance, RTM41HF050E effectively reduces membrane fouling risk, extends the service life of high-cost UF membrane elements, and lowers the frequency of expensive chemical cleaning cycles for the whole water treatment system.
Compared with conventional small-diameter filter cartridges, RTM41HF050E adopts a deep-pleated wide-diameter construction, which greatly increases the effective filtration surface area of a single filter. To reach the same total system flow rate, fewer filter cartridges need to be installed inside filter housings. This structural advantage reduces spare parts inventory pressure, accelerates on-site filter replacement work, and cuts down long-term operating expenses for water treatment plant operators and system integrators. When designing complete water treatment skids, engineers can match this RTM41HF050E filter with PFTM102UNPFC high flow filter cartridge and Parker MFNP010-40N Mega-Flow Filter to build gradient multi-stage raw water prefiltration.
RTM41HF050E uses glue-free thermal fusion pleating technology. No adhesive is added inside the filter medium, eliminating the risk of glue dissolution and secondary water contamination caused by long-term high-speed water scouring. End caps and internal and external support cores are integrally molded polypropylene, keeping stable structural integrity under frequent pressure fluctuations and continuous large-volume water flow. The all-polypropylene material offers excellent chemical compatibility and can withstand most weak acid, weak alkali and neutral aqueous solutions. Whether customers need to replace aging filters in existing ultrafiltration production lines or buy spare filter consumables for newly commissioned UF equipment, RTM41HF050E can provide stable and repeatable pretreatment filtration performance for a wide range of industrial water treatment projects.
RTM41HF050E operates based on the surface-depth composite pleated filtration principle. Raw water flows into the filter housing and travels radially inward starting from the outer pleated surface of the filter cartridge. Larger solid particles, rust fragments and sediment are trapped on the outer pleated layer. Fine colloids and tiny suspended particles penetrate into the layered polypropylene fiber medium and get intercepted within dense fiber gaps.
With an optimized wide-area pleat layout, captured pollutants spread evenly across the whole filter medium surface instead of accumulating only on the outer layer. This design slows the rising speed of inlet-outlet differential pressure, maximizes dirt holding capacity and extends the usable operating cycle of each filter. When the pressure difference between filter inlet and outlet reaches the preset threshold value, the filter medium becomes saturated with trapped contaminants, and field operators need to install a new RTM41HF050E filter cartridge.
RTM41HF050E forms the primary protective barrier for ultrafiltration membranes. Without this upstream prefiltration, raw water loaded with solid particles will directly impact UF membrane surfaces. Contaminant deposits block membrane pores and flow channels, accelerate fouling, increase chemical cleaning frequency, and may even cause irreversible permanent damage to ultrafiltration membranes. When installed in series with PFTM11UEPFB high flow filter cartridge for multi-stage combined filtration, the long-term running stability of the ultrafiltration system can be greatly enhanced. It should be noted that RTM41HF050E can only remove solid particulate impurities and cannot filter dissolved ions, so it only serves as mechanical prefiltration before ultrafiltration membranes.
| Item | Specification |
|---|---|
| Product Name | RTM41HF050E High Flow Filter Cartridge |
| Filtration Rating | 5 μm nominal |
| Cartridge Length | 40 inch |
| Filter Media | Pleated reinforced polypropylene |
| Support & End Cap Material | Polypropylene |
| Outer Diameter | 152 mm |
| Inner Diameter | 63 mm |
| Single Filter Rated Flow | 90–120 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 fluids |
Every batch of RTM41HF050E filter cartridges 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 guarantee batch-to-batch consistency. During manufacturing, sampling inspections cover pleating uniformity, thermal bonding strength and sealing performance of end caps.
Finished product tests include bubble point integrity test, cyclic pressure impulse test and water flow pressure drop detection. Defective filters with medium cracks, poor sealing or loose structures will be fully screened out. The glue-free thermal bonding craft removes the risk of adhesive leaching that may contaminate process water. The all-PP material design also avoids metal shedding risk in filtration, making it suitable for sanitary water treatment scenarios.
Products comply with strict industrial filtration quality management standards. Each filter is individually packaged to avoid dust and particle contamination during storage and transportation. Complete technical datasheets are supplied 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.
RTM41HF050E high flow filter cartridge is widely used as a pretreatment filter for ultrafiltration water treatment systems, and it also applies to a wide range of other industrial liquid filtration scenarios.
Industrial ultrafiltration system pretreatment: Capture sediment, iron oxide scale and suspended particles, protect UF membrane elements, reduce membrane chemical cleaning frequency. Suitable for raw water purification and reclaimed water reuse projects.
Power plant water treatment: Pre-filtration for boiler makeup water and condensate water, removing pipeline rust and suspended 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 supply and reclaimed water reuse: Large-flow raw water prefiltration for municipal water plants and wastewater recycling projects.
Pharmaceutical and cosmetic purified water preparation: Sanitary grade prefiltration for water production equipment.
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 as the upstream pretreatment protective filter for ultrafiltration systems. It intercepts suspended solids, silt and granular contaminants inside raw water, reduces pollutant load on UF membranes, slows membrane fouling, lowers chemical cleaning frequency and extends the service life of ultrafiltration membrane elements.
A: There is no fixed time-based service life. Service cycle depends on raw water turbidity, contaminant concentration and real operating flow rate. It is recommended to replace the filter 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 original filtration performance. Reuse after cleaning brings particle leakage risks, so direct replacement is recommended.
A: It fits 40-inch high flow filter housings with bayonet locking interface. Before ordering, verify housing interface dimensions, internal cavity space and pressure bearing rating to avoid installation mismatch.
A: The polypropylene material has a maximum operating temperature of 65℃. It is not recommended for continuous operation above this temperature. Contact our technical team for high-temperature working condition assessment.
A: The required quantity is calculated based on total system flow rate, single-filter rated flow and raw water quality parameters. Calculate according to the technical datasheet and reserve reasonable surplus to cope with raw water quality fluctuations.
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