Lvyuan PP Industrial Bag Filter Housing is a durable polypropylene filtration unit for removing particles from industrial liquids using #1 or #2 filter bags.
Lvyuan FRP Multi-Cartridge Filter Housing is a corrosion-resistant, non-metallic housing designed to hold multiple cartridges for efficient industrial water and liquid filtration.
Lvyuan PPH Industrial Plastic Filter Housing is a chemically durable housing designed for reliable filtration of chemicals, process water, and industrial liquids.
Lvyuan PVDF Chemical-Resistant Bag Filter Housing is a durable single-bag filtration unit designed to remove particles from demanding chemical and liquids.
Lvyuan UPVC Bag Filter Housing is a corrosion-resistant filtration unit designed to remove solid particles from industrial liquids using replaceable filter bags.
| Selection Factor | Typical Options / Considerations |
|---|---|
| Housing Material | Polypropylene, PVDF, PVC, nylon, stainless steel, carbon steel; model and application dependent |
| Cartridge Configuration | Single or multiple cartridge; standard or high-flow arrangement |
| Cartridge Length | Selected according to required cartridge format and housing design |
| Cartridge Connection | DOE, 222-style or other application-specific interfaces |
| Filtration Rating | Selected according to contaminant size and required process result |
| Inlet / Outlet | Threaded, flanged or other fitting configurations depending on design |
| Operating Pressure | Model dependent; confirm with manufacturer |
| Operating Temperature | Depends on housing, cartridge, seal material and process liquid |
| Seal Material | Selected according to chemical and temperature compatibility |
| Flow Configuration | Standard cartridge, multi-cartridge or high flow |
| Application | Standard cartridge, multi-cartridge or high flow |
OEM customers, distributors, system integrators, water treatment contractors and EPC teams may require a housing that fits an existing skid or project layout rather than a standard off-the-shelf arrangement.
Depending on project requirements, custom configurations may include:
A useful customization request should include a process data sheet rather than only a photograph of the required housing. The more complete the operating information, the easier it is to evaluate the proposed filtration solutions against actual application requirements.
For OEM or repeat-order projects, buyers may also need to confirm drawing revision control, replacement-element identification, packaging requirements, project quantities and documentation before finalizing the order.
Housing material should be selected according to the process fluid, operating temperature, pressure, cleaning method, installation environment, and expected service conditions. No single material is the correct choice for every application.
A polypropylene housing is often evaluated for water treatment and selected chemical-service applications because polypropylene construction can offer useful chemical compatibility while avoiding metallic corrosion. Polypropylene is also widely used as filter media and cartridge construction material where chemical compatibility is important.
For an actual system, however, chemical compatibility must be checked for the complete assembly—including housing, cartridge, O-ring, adhesive or bonding materials, fittings, and the operating temperature.
PVDF may be considered where the process requires a different chemical or temperature-resistance profile from polypropylene. PVC and nylon are also used in certain fluid-handling applications, but suitability depends on the particular chemical, concentration, temperature, pressure, and mechanical requirements.
Special engineering-plastic designs may also incorporate reinforced or glass-filled components where additional mechanical performance is required.
Metal housings remain useful where the application calls for higher mechanical strength, elevated operating conditions, sanitary construction, or a different lifecycle requirement. Stainless steel options such as 304 are commonly encountered in industrial filtration equipment, while carbon steel may be considered for suitable non-corrosive process environments.
Metal should not automatically be regarded as superior to plastic housings, nor should plastic automatically be considered the lower-cost answer. Lifecycle cost also depends on corrosion, cartridge replacement, maintenance accessibility, downtime, installation conditions, and the process fluid itself.
For high temperature or elevated-pressure service, the design should be reviewed against the actual manufacturer’s rated operating envelope rather than assuming that a material name alone establishes suitability.
A housing and cartridge filter must work as one system. Matching only the nominal cartridge length is not enough.
Important compatibility points include cartridge outside diameter, actual length, sealing design, end configuration, housing internal support, flow direction, differential-pressure behavior, and the amount of clearance required for removal.
Common systems may be designed around standard-format cartridges or proprietary large-diameter elements. Compact formats such as slimline cartridges differ from larger big blue or bb style water filter housings, while a big clear housing may be chosen where visual inspection of the element or liquid is useful.
A plastic cartridge housing must therefore be specified by more than a nominal length such as “10-inch” or “20-inch.” Actual fit should be confirmed from cartridge and housing drawings.
DOE normally refers to a double-open-end cartridge arrangement. Other housings may use a 222 O-ring interface or another closed-end locating system. An open end configuration can require different compression and sealing hardware from a cartridge with molded O-ring end caps.
The sealing arrangement matters because bypass around the cartridge can undermine the intended filtration performance even when the correct micron media has been selected.
A cartridge housing may be configured for:
Cartridge material is equally important. Polypropylene, polyester, nylon, and other media have different chemical and thermal characteristics.
When replacing an existing unit—whether a Hayward housing, a Filtrafine DJ-P series single filter, a DJ-P series single filter housing, or another manufacturer’s system—provide the existing drawing, cartridge dimensions, connection details, and operating conditions instead of assuming interchangeability. An adapter kit may be technically possible in some systems, but compatibility needs to be evaluated case by case.
A high flow filter housing becomes attractive when a process requires higher liquid throughput and a large number of conventional cartridges would otherwise be needed. High-flow systems use larger-format cartridges and can reduce the number of elements required for a given process flow. Commercial high-flow systems from established manufacturers illustrate this design principle.
Fewer cartridges may mean:
However, high flow does not automatically mean lower operating cost. Engineers should compare cartridge price, solids loading, differential pressure, available installation clearance, disposal requirements and replacement availability.
Conventional cartridge designs can remain a practical choice for lower flows, smaller pipework, widely available replacement media, or systems where multiple filtration stages use familiar industry standard cartridge formats.
Cartridge housings support a wide range of filtration applications, but cartridge media and housing materials should always be matched to the specific liquid.
For industrial water, the filter can remove suspended particulate before equipment such as pumps, spray nozzles, heat exchangers or downstream treatment processes. Required water quality, particle loading and cartridge replacement frequency influence the appropriate configuration.
A cartridge filter is commonly used as a polishing or guard filtration step within reverse osmosis pretreatment. Its function is to reduce suspended particulate reaching downstream equipment; the required filter rating should be determined from the overall treatment design rather than treated as a universal value.
In water filtration systems, cartridge housings may be installed after coarse filtration or before sensitive equipment. Applications involving drinking water require appropriate materials and regulatory review. References to FDA requirements or food-contact compliance should only be made for specifically documented materials and products—not assumed from material type alone.
In food and beverage service, buyers typically evaluate cleanability, material documentation, process compatibility, cartridge construction and contamination-control requirements. Regulatory or sanitary compliance must be verified for the specific housing and media supplied.
Chemical processes may favor polymer housing materials when metallic corrosion is a concern. The housing can remove particulate from compatible acids, alkalis, chemical intermediates or process solutions, but chemical concentration and operating temperature must be supplied before selecting polypropylene, PVDF, PVC or another material.
Cartridge systems can also remove suspended solids from compatible lubricant and process-fluid circuits to help protect downstream equipment. Viscosity becomes particularly important because higher-viscosity liquids can produce greater pressure drop across the filter.
In every application, the objective is controlled contamination removal—not simply installing the smallest-rated cartridge available.
Technical suitability comes first, but commercial details can strongly affect the long-term usability of the system.
Procurement and engineering teams should confirm the complete bill of requirements: housing configuration, cartridge reference, sealing materials, process connections, operating envelope and quantity.
Pay particular attention to replacement cartridges. A low initial housing price can become less attractive if the element is difficult to source or uses a proprietary geometry that was not considered during purchasing.
Maintenance accessibility matters as well. Confirm that operators have adequate space to unscrew a sump, open the vessel, remove the cartridge and inspect the seal without dismantling surrounding pipework.
For project and OEM purchasing, request the documents required by your organization before ordering. These might include dimensional drawings, material information, operating instructions, cartridge references, packing details or other agreed documentation.
This is particularly important for demanding industrial installations, where procurement decisions affect maintenance teams and process engineers long after commissioning.
A cartridge filter housing is a pressure-containing assembly designed to hold one or more replaceable filtration cartridges while directing process liquid through the filter media. The housing provides fluid connections and cartridge support, while the cartridge performs the actual particulate removal. Housing and cartridge selection should therefore be evaluated together.
Polypropylene can be considered when its chemical, temperature and mechanical characteristics are compatible with the process fluid and operating conditions. It is frequently used in filtration products where chemical compatibility is important. Final material selection should also account for the O-ring, cartridge and other wetted components.
Compatibility depends on cartridge length, diameter, end configuration, sealing method and the housing’s internal locating hardware. DOE, 222-style and other interfaces are not automatically interchangeable. Provide the existing cartridge drawing or part number when replacement compatibility is a purchasing requirement.
Select the filter rating according to the size of the target contaminant, downstream equipment requirements and upstream solids loading. A finer cartridge does not automatically produce a better system; it can increase pressure drop or replacement frequency if the process contains significant larger particulate.
Some plastic housing materials can be suitable for selected corrosive liquids, but compatibility is chemical- and condition-specific. The fluid identity, concentration, temperature and pressure should be reviewed together with the housing material, O-ring, cartridge and fittings. Do not base chemical compatibility on the housing material name alone.
A high-flow system is worth evaluating when required throughput would otherwise require many conventional cartridges or a larger multi-cartridge vessel. High-flow formats can reduce cartridge count and installation footprint in suitable applications. Differential pressure, replacement availability, solids loading and lifecycle cost still need to be compared.
Potentially, but replacement should be based on dimensions and operating requirements rather than nominal size alone. Confirm cartridge geometry, connections, flow, pressure, temperature, seal materials, mounting arrangement and installation clearance. For an existing brand or series filter, supplying the original model information and drawings reduces compatibility risk.
Provide the process fluid, required flow rate, filtration rating, operating pressure, operating temperature, cartridge length and diameter, cartridge interface, inlet/outlet connection, preferred housing material and required quantity. Also identify chemical concentrations, existing cartridge models, special mounting requirements and OEM documentation needs when applicable.
For a new filter housing, replacement project, OEM system or custom cartridge filtration requirement, send the operating conditions before finalizing the configuration. Include the process fluid, required flow rate, target filtration rating, normal and maximum pressure, operating temperature, cartridge size, cartridge end configuration, connection type and project quantity.
These details allow the housing material, cartridge compatibility, sealing arrangement and flow configuration to be evaluated as one filtration system. You can then request a quotation, technical specification, dimensional information, replacement-cartridge review, or discussion of project-specific customization requirements.