
HFU620GF100H13 High Flow Depth‑Type Glass Fiber Pleated Filter Cartridge
Introduction:If you are searching for High Flow Filter HFU620GF100H13 for demanding industrial liquid and RO security filtration, this interchangeable pleated cartridge features graded glass‑fiber media to deliver outstanding depth filtration performance. It captures sediment, suspended solids and fine colloidal particles while maintaining high liquid throughput and remarkable dirt‑holding capacity. As a vital protective consumable ahead of reverse osmosis and nanofiltration membranes, it effectively lowers membrane fouling risk and extends operational service cycles. Its large‑diameter single open‑end design reduces required cartridge quantity inside filter vessels. As a cost‑effective replacement supplied by Chinese filter manufacturer, it fits diverse heavy‑duty water treatment and process fluid purification projects worldwide.
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Product Overview
High Flow Filter HFU620GF100H13 is a widely‑used 20‑inch large‑diameter pleated filter cartridge, engineered for security filtration in industrial water systems. It uses high‑strength resin‑bonded glass fiber as filter media with gradient pore construction for deep particle retention. The 6‑inch outer diameter brings expanded filtration area to achieve high‑flow output with relatively low pressure drop. Single open‑end structure with built‑in lifting tab enables quick element replacement during site maintenance. H13 sealing interface ensures reliable sealing performance. Main structural components including end cap and outer cage are made of reinforced polypropylene. Multiple sealing options of EPDM, Buna‑N and FKM are available to adapt to water‑based fluids, diluted acid and alkaline liquids. This filter can directly fit most mainstream high‑flow filter housings without equipment modification.
Working Principle
High Flow Filter HFU620GF100H13 adopts outside‑to‑inside flow path for liquid purification. Unfiltered process liquid flows across the outer pleated glass‑fiber surface. Larger solid contaminants are trapped by outer coarse‑pore layers, while tiny particles penetrate and get captured inside inner fine‑pore layers by depth‑filtration effect. This graded structure prevents fast surface clogging and maximizes dirt‑loading capability. After filtration, clean liquid converges into the central channel and flows out from the open end of the cartridge. Precision‑matched O‑ring seal blocks fluid bypass thoroughly, making sure all liquid passes through filter media to acquire consistent filtration effect. The integrated handling tab allows maintenance personnel to complete cartridge removal and installation rapidly without special tools.
Core Technical Specifications

Core Advantages
Superior depth‑filtration performance:
Graded glass‑fiber media achieves excellent deep holding for impurities, longer service cycle compared with conventional PP pleated filter elements, decreasing replacement frequency and field maintenance cost.
High‑flux large‑diameter design:
Ample effective filtration surface supports high liquid flow rate, reduces total cartridge number needed inside filter housing, saving capital investment for filtration system.
Versatile chemical compatibility:
Stable performance for general process water, dilute acid and alkali solutions. FKM seal option satisfies working conditions of partial chemical solvents.
Drop‑in interchange installation:
Consistent dimension and interface with mainstream high‑flow filter housings. No modification is required for existing equipment for element swap.
Economical factory‑direct supply:
Produced by domestic Chinese filter factory. Provides equivalent filtration performance as imported original spare parts and helps international buyers optimize overall procurement expenditure.
Main Application Scenarios
Reverse osmosis & nanofiltration system security pre‑filtration for industrial water and seawater desalination
Power plant condensate water and boiler feed‑water purification
Petrochemical, fine‑chemical process liquid filtration
Municipal large‑scale water supply pretreatment system
Circulating water treatment for steel industry
Food and beverage process‑water security filtration
New‑energy manufacturing process fluid pre‑treatment
FAQ
Q1: Will High Flow Filter HFU620GF100H13 fit my existing filter housing?
A1: It is 20‑inch length, 6‑inch OD with H13 sealing interface. Confirm your housing dimension and seal requirement, most universal high‑flow vessels support direct installation without retrofitting.
Q2: When shall we carry out cartridge replacement?
A2: It is advised to replace this filter element when system differential pressure rises to 2.4 bar (35 PSID). Actual service life is subject to impurity level of incoming raw liquid.
Q3: Can HFU620GF100H13 run under high‑temperature hot‑water environment?
A3: The maximum continuous working temperature is 82℃. Operation beyond this temperature limit will cause media deformation and performance deterioration.
Q4: Are other micron grades available for this glass‑fiber high‑flow series?
A4: Multiple micron options including 1 μm,5 μm,10 μm,20 μm,40 μm,70 μm,100 μm are available. Custom specifications can be supported for bulk orders.
Q5: What is production lead‑time for bulk order of HFU620GF100H13?
A5: For standard specification, lead‑time is 7‑15 working days after deposit confirmation. Customized items will need extra manufacturing period.
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