ISO Certified SS304/316L Multi-Cartridge High Flow Filter Housing for RO Pretreatment & Industrial Water Treatment

Pullner High Flow Filter Housing is designed for applications where standard 2.5-inch cartridges would require a large housing and frequent cartridge replacement.

The housing uses large-diameter pleated filter cartridges with a high filtration area. One high flow cartridge can replace multiple conventional cartridges, reducing the number of elements inside the housing and making installation and maintenance easier.

Single-cartridge and multi-cartridge housings are available for different flow requirements. Vertical designs save installation space, while horizontal designs make long cartridges easier to remove.

The housing can be matched with Pullner high flow cartridges and cartridges designed as replacements for common Pall, 3M, Parker and Pentair high flow filter styles.

Actual flow capacity depends on the liquid, viscosity, filtration rating, contaminant loading, cartridge length and allowable pressure drop.

• Fewer Filter Cartridges: The large-diameter pleated cartridge provides more filtration area than a standard cartridge. Fewer cartridges are required for the same system flow.
• Smaller Housing: Reducing the number of cartridges allows the filter vessel to be smaller and simplifies the internal structure.
• Faster Cartridge Replacement: Operators have fewer elements to remove and install. This reduces maintenance time, especially in large water treatment systems.
• Lower Disposal Volume: Fewer used cartridges mean less handling, storage and disposal work after replacement.
• Easier Internal Cleaning: The simplified cartridge arrangement leaves more space inside the housing for inspection and cleaning.
• Suitable for System Upgrades: A high flow filter housing can be used when an existing multi-cartridge system has limited flow capacity, occupies too much space or requires too much maintenance.

Pullner high flow filter housings are commonly used in:

• Seawater desalination pretreatment
• Reverse osmosis system pre-filtration
• Power plant condensate filtration
• Cooling water and circulating water
• Municipal and industrial water treatment

The system is normally installed before RO membranes, pumps, heat exchangers, spray nozzles and other equipment that requires protection from particles and suspended solids.

Pullner can provide different high flow cartridge structures according to the existing housing or project requirements.

Common options include:

• Single-open-end cartridges
• Double-open-end cartridges
• Inside-to-outside flow cartridges
• Outside-to-inside flow cartridges

Before production, we confirm the cartridge outside diameter, length, sealing structure, O-ring size and flow direction to ensure correct installation.

• Housing and Cartridge Supplied Together: Pullner manufactures both high flow filter cartridges and stainless steel filter housings. The cartridge seat, sealing structure and housing dimensions can be checked together before production.
• Replacement Design Support: For an existing system, send us the cartridge model, housing nameplate, drawing or sample. We can check the dimensions and recommend a suitable replacement.
• Custom Housing Design: Cartridge quantity, vessel diameter, inlet and outlet size, opening method, support legs and installation direction can be customized.
• Fast Technical Response: Our team can quickly review flow rate, pressure, temperature, liquid type and filtration accuracy and prepare a suitable configuration.
• Drawing Confirmation: A technical drawing can be provided before production to confirm the main dimensions, nozzle positions and cartridge arrangement.
• Support for Trial and Project Orders: We support single replacement housings, trial units, OEM orders and complete project filtration systems.

A high flow filter uses a large-diameter pleated cartridge with a larger filtration area. It can handle more liquid with fewer cartridges than a standard 2.5-inch cartridge system.

The quantity depends on the total flow rate, liquid viscosity, filtration rating, contaminant level and required cartridge service life.

A 60-inch high flow cartridge can handle up to approximately 110 m³/h under suitable clean-water conditions. The actual flow rate should be confirmed according to the application.

Yes. Vertical housings require less floor space. Horizontal housings are often selected for multi-cartridge systems because long cartridges are easier to remove.

Yes. Pullner can design the housing for common Pall, 3M, Parker and Pentair-style high flow cartridges. The exact cartridge model and dimensions should be confirmed before production.

Yes. Please provide the existing housing drawing, cartridge model, nameplate information or site measurements. We will check the connection and installation dimensions.

SS304 is commonly used for general industrial water. SS316L is more suitable for seawater, corrosive liquids and higher-purity applications. Carbon steel can be considered for cost-sensitive, non-corrosive applications.

Please provide: Liquid name, Required flow rate, Filtration rating, Operating pressure, Operating temperature, Existing cartridge model, Inlet and outlet size, Preferred housing material, Vertical or horizontal installation, Required design standard.

Send us your current flow rate and cartridge model.

Pullner can compare the existing cartridge quantity with a high flow configuration and recommend a smaller, easier-to-maintain filtration system.

Shanghai Pullner Filtration Technology Co., Ltd. was established in May 2011 with a registered capital of RMB 26 million. The company operates a Class 100,000 cleanroom workshop (3,000 m²) and an on-site Class 1,000 clean laboratory, integrating R&D, manufacturing, and sales of microporous membrane filtration equipment and filtration systems.

Pullner products are widely applied in microelectronics, fine chemicals, new energy, seawater desalination, biotech, and laboratory fields, including LCD panels, semiconductor processing, high-purity chemicals, condensate filtration, and reclaimed water reuse.

The company holds ISO9001 / ISO14001 / ISO45001 certificates, is recognized as a high-tech enterprise, and owns multiple patents. Pullner is also an approved vendor of Saudi Aramco.

Manufacturer: Shanghai Pullner Filtration Technology Co., Ltd. / Brand: Pullner.

Yes. We can provide 1-2 free samples for evaluation. Buyers only cover shipping. (Free samples are typically supported for future formal orders.)

Usually 5-10 working days, depending on order quantity.

Standard products are nominal. Absolute-rated filters can be customized based on your application.

Compatible replacements include major brands such as PALL, 3M, PARKER, and others.

Standard MOQ is 1 piece (factory direct). For certain models or customized specs, MOQ may vary.