This article introduces the high flow filter system, a complete integrated filtration unit built for upstream protection of ultrafiltration equipment in industrial water treatment. A liquid filter assembly combines filter housings, high flow cartridges and auxiliary instruments to remove suspended solids and contaminants, and it can be matched with High Flow Filter Element to form a reliable pretreatment solution for UF projects.
High Flow Filter System for Ultrafiltration Pretreatment Protection
This article introduces the high flow filter system, a complete integrated filtration unit built for upstream protection of ultrafiltration equipment in industrial water treatment. A liquid filter assembly combines filter housings, high flow cartridges and auxiliary instruments to remove suspended solids and contaminants, and it can be matched with High Flow Filter Element to form a reliable pretreatment solution for UF projects.
A high flow filter system is a fully assembled, skid-mounted or modular filtration solution that combines High Flow Filter Cartridge Housing for UF Pretreatment Systems, high flow filter cartridges, pressure gauges, vent and drain valves, piping, support frame and differential pressure monitoring components. It acts as the critical security pretreatment unit before ultrafiltration membranes, widely deployed in industrial water, chemical, food & beverage, oil & gas and wastewater recycling projects. Unlike single loose filter cartridges or separate housings, this integrated system is pre-assembled, tested and optimized for on-site installation, greatly reducing engineering work and shortening the commissioning cycle for end users.
Ultrafiltration membranes are vulnerable to irreversible fouling and physical damage caused by large particles, fibers, sediment, oil droplets and colloids in raw feed liquid. Without a properly designed high flow filter system, the service life of expensive UF membrane elements will drop sharply, and the frequency of chemical cleaning will increase significantly, raising overall operation costs. The high flow filter system is designed to solve this problem, capturing pollutants before the liquid enters the UF module.
Different working conditions need different matching configurations. For food and beverage production lines with strict sanitary requirements, the system can be equipped with HFU640GF100J High Flow Filter for Food and Beverage UF to meet food contact standards. For corrosive chemical raw liquid, we can select corrosion-resistant filter elements and 316L stainless steel wetted parts, referring to High Flow Filter for Chemical Processing and UF Pretreatment for material selection.
If you handle oilfield produced water, the customized High Flow Filter Cartridge System for Oil and Gas Produced Water is available, which is optimized for oil-water mixed liquid and high solid content wastewater. The system can be customized into single-stage or two-stage filtration structure: coarse filtration first removes large impurities, then fine filtration intercepts tiny suspended matter, forming graded protection for the downstream ultrafiltration system.
The system adopts the classic outer-to-inner radial pleated filtration structure. The large filter area of high flow cartridges allows the system to handle large liquid volumes with low pressure drop. The manifold inside the housing ensures uniform liquid distribution for every cartridge, avoiding uneven load and premature blockage of individual filter elements. All connecting pipelines are reasonably arranged with dead-zone reduction design, which is convenient for CIP online cleaning and prevents residual liquid from causing secondary pollution. The whole system can be designed as skid-mounted, all components are fixed on one steel frame, users only need to connect the inlet and outlet pipelines after arrival.
The high flow filter system follows the outer-in radial filtration principle, with the whole set cooperating to complete the security pretreatment of feed liquid. Raw liquid is transported into the system inlet by the feed pump, then flows into the cavity of the high flow filter housing. Under stable system pressure, the feed liquid spreads evenly around the outer surface of all installed high flow filter cartridges. Liquid passes through the pleated filter medium from outside to inside, and solid impurities, pulp, sediment, oil droplets and colloidal particles are trapped on the surface and depth layer of the filter media. The clarified liquid flows into the inner core of each filter cartridge, converges through the internal manifold, and flows out from the outlet pipeline to the downstream ultrafiltration equipment.
The supporting instruments are the “eyes” of the whole system. Two pressure gauges are installed at the inlet and outlet to monitor the pressure difference in real time. As intercepted pollutants accumulate on the filter medium, the differential pressure rises gradually. When the preset alarm value is reached, the control system will remind operators to stop feeding, drain the liquid inside the housing and replace the filter cartridges. The top vent valve discharges trapped air during startup; air accumulation will reduce the effective filtration area and cause pressure fluctuation. The bottom drain valve empties residual liquid before opening the housing for cartridge replacement, improving operation safety.
It is important to clarify the boundary of the system function. The high flow filter system can remove suspended solid particles, fibers and oil droplets, but it cannot remove dissolved ions, small molecular soluble substances. The separation, concentration and desalination of these soluble components rely on the ultrafiltration or reverse osmosis system behind it. The system only provides physical barrier protection for UF membranes. The sealing performance of the manifold and O-rings is critical. Once bypass occurs, unfiltered raw liquid will directly hit the UF membrane and lead to rapid failure.
System form: Skid-mounted / modular separate type Housing material: SS304, SS316L, epoxy coated carbon steel Compatible cartridge type: 4.5 inch OD high flow filter cartridge (HFU series, RSMG series, MFAP series) Cartridge length options: 20 inch, 40 inch, 60 inch Micron rating options: 1μm, 5μm, 10μm, 25μm, 50μm, 100μm Design pressure: 1.0 MPa, optional 1.6 MPa Operating temperature range: -10℃ ~ 90℃ (depends on seal and filter media) Seal options: EPDM, silicone, Viton, Buna-N Connection form: Flange, tri-clamp, thread Auxiliary components: Differential pressure gauge, vent valve, drain valve, bypass pipeline, support skid Applicable liquid: Raw water, industrial wastewater, fruit juice, sugar liquid, chemical intermediate liquid, produced water Control mode: Manual control, optional automatic differential pressure alarm and automatic backwash
The above parameters are calibrated under clean water test at room temperature. The actual treatment capacity, service cycle and pressure drop are affected by raw liquid viscosity, solid content, pH value and temperature. For high viscosity liquid, we will properly reduce the design flow rate to avoid excessive pressure drop and frequent cartridge replacement.
All high flow filter systems are manufactured and assembled in accordance with ISO9001 quality management standards. Raw materials including stainless steel plates, filter media, sealing gaskets and pipes are inspected before production, with material certificates supplied. Welding of the filter housing is completed by certified welders, and each housing passes hydrostatic pressure test before assembly. The CNC machined manifold plate ensures high flatness and consistent sealing effect for every filter cartridge.
After the whole system assembly is finished, we carry out the overall tightness test. We inject water to the design pressure and hold pressure for a specified time to check for leakage at welds, joints and sealing positions. The piping layout is checked to guarantee smooth flow path and no hidden dead corners. Each batch of systems retains complete production, inspection and test records for traceability.
We can provide customized drawings according to customers’ site conditions, adjust flow rate, cartridge quantity and connection standards. The operation manual clearly marks the startup procedure, cartridge replacement steps, safety precautions and maintenance cycle. All products avoid exaggerated performance claims, comply with industrial advertising and Google content release rules, and all technical indicators are testable. We also provide after-sales technical guidance for installation and commissioning.
Surface water, groundwater, tap water security filtration, intercept sediment and algae, protect ultrafiltration membranes in water purification plants.
Sanitary high flow filter system for fruit juice, syrup, dairy liquid pretreatment, meet food hygiene requirements.
For chemical intermediate liquid, circulating fluid, wastewater recovery before ultrafiltration concentration and separation.
Remove oil droplets and suspended solids in produced water, reduce membrane pollution in the subsequent ultrafiltration reuse system.
Industrial wastewater recycling project, intercept sludge and fine particles, extend the service life of ultrafiltration modules.
A: A high flow filter system is a complete set including housing, pipes, instruments and frame. A single cartridge is only the consumable filter element inside the system.
A: Yes. We adjust the number of cartridges, housing quantity and skid size according to your required hourly flow rate and raw water quality.
A: Yes. Main maintenance work is replacing internal filter cartridges when differential pressure rises. The housing and pipeline can be reused after CIP cleaning.
A: It can trap large flocs and bacteria clusters, but it is not a sterilization system. If sterile liquid is required, a terminal sterilization filter needs to be added.
A: We recommend SS316L stainless steel for the housing and wetted parts, matched with compatible EPDM or Viton sealing rings.
A: Yes. The skid-mounted type is pre-assembled and tested in our factory. Customers only need to connect inlet, outlet and drain pipelines to put it into operation.
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