Lvyuan Industrial Stainless Steel Single Bag Filter Housing is a durable SS304/SS316L unit that uses one #1 or #2 filter bag for reliable particle removal from industrial liquids.
Lvyuan Tri-Clamp Stainless Steel Bag Filter Housing is a quick-opening SS304/316L unit designed for clean, efficient particle removal from food, beverage, water and process liquids.
Lvyuan Stainless Steel Multi-Bag Filter Housing is a high-flow filtration unit that uses multiple filter bags to remove particles from industrial water and process liquids.
Lvyuan Top Entry Stainless Steel Bag Filter Housing is a SS304/316L filtration unit that directs liquid into a supported filter bag for efficient solids removal and easier bag replacement.
Lvyuan Stainless Steel Domed-Cover Single Bag Filter Housing is an SS304/316L filtration unit with a swing-bolt domed cover, designed for efficient particle removal and easy bag replacement in industrial liquids.
| Selection Factor | Single-Bag Housing | Multi-Bag Filter Housing |
|---|---|---|
| Flow demand | Lower to moderate process demand | Higher process demand |
| Filtration area | One filter bag | Multiple filter bags |
| Installation footprint | Often easier where space is limited | Larger vessel, but can consolidate filtration capacity |
| Dirt loading | Suitable when solids loading is manageable | Useful where more media area is required |
| Bag replacement | One bag per service cycle | Several bags may require replacement |
| Process use | Batch lines, side streams, smaller process systems | Main process lines and higher-flow duties |
| Capital complexity | Simpler configuration | More complex vessel and internal arrangement |
A capable manufacturer should do more than quote a vessel from a short product description. For international B2B sourcing, purchasing teams should evaluate how well a supplier can translate process requirements into a clear technical specification.
Important factors include manufacturing capability, material traceability requirements, engineering communication, drawing confirmation, dimensional quality control, weld and surface requirements where applicable, basket construction, sealing options, and consistency between repeat orders.
Buyers should also ask how replacement filter bags are specified and whether alternative media can be evaluated later if process conditions change.
For projects involving existing equipment, references to established industry products from suppliers should be treated as technical comparison information only. Compatibility must be confirmed from actual dimensions and specifications; such references do not imply brand affiliation or authorization.
Good supplier such as Lvyuan communication improves reliability by identifying unclear requirements before production rather than after the equipment reaches the installation site.
A filter housing contains and supports the filter bag while directing process liquid through the filter media. During operation, liquid enters the housing, passes through the bag, and leaves through the outlet. Particles larger than the effective retention range of the selected media are captured within or on the filter material.
The internal basket supports the bag against hydraulic forces and helps maintain its shape as dirt accumulates. The housing itself provides pressure containment, connections, closure, sealing, and access for filter replacement. The bag is the replaceable filtration component; the vessel is the permanent equipment that holds it.
Bag filtration is widely used for coarse, bulk, and process liquid filtration, and suppliers such as Eaton, Donaldson, and Parker offer both bags and housings for industrial applications.
Material selection is an engineering decision based on chemical compatibility, corrosion, temperature, pressure, cleaning method, surrounding environment, and expected service life.
Stainless steel is frequently used for industrial filter housing construction. Depending on process requirements, grades such as 316 stainless steel may be evaluated where corrosion resistance is an important consideration. Carbon steel may also be considered for compatible fluids and operating environments.
Inside the vessel, a perforated support basket normally prevents the filter bag from collapsing or expanding excessively under differential pressure. Construction should also account for the closure arrangement, seal material, drain or vent requirements, and inlet and outlet orientation.
Pipeline connections may include NPT threaded arrangements or a flange, depending on pipe size, installation practice, maintenance requirements, and project standards. Final connection and sealing details should always be matched to the process rather than selected solely from stock availability.
Choosing the correct filter bag requires more than specifying a micron number. The desired particle removal level needs to be considered together with contaminant size distribution, solids concentration, viscosity, process cleanliness requirements, flow conditions, and expected replacement frequency.
Filter media may include felt, mesh, or other structures designed for different retention characteristics. Industrial suppliers offer filter bags in different materials and constructions for coarse and finer filtration duties.
A finer micron rating can increase contaminant capture, but it may also affect dirt-loading behavior and pressure drop if the fluid contains a high concentration of solids. Conversely, unnecessarily coarse media may not achieve the required downstream cleanliness.
Engineers should therefore evaluate the complete filtration duty: what needs to be removed, how much contamination enters the system, what must be protected downstream, and how frequently the bag can reasonably be changed.
Housing size should be determined from the required flow rate, not simply from the nominal physical size of the filter housing.
For projects specified in GPM, engineers should consider fluid viscosity, contaminant loading, filtration rating, number of bags, clean pressure drop, allowable operating differential pressure, and the characteristics of the selected filter media. Higher viscosity or heavier solids loading may change the practical capacity of a given housing.
Inlet and outlet dimensions also need to suit the pipeline. An undersized connection can create unnecessary velocity and hydraulic losses even if adequate media area is installed. Depending on the project, connections may use NPT threads or flanged piping.
Actual pressure capability, PSI rating, dimensions, and allowable flow should be confirmed from the final housing design and operating data. Nominal vessel size by itself is not enough to establish operating capacity.
Bag filter housing systems are used for many industrial liquid filtration duties because the replaceable bag provides a straightforward way to remove suspended solids from process streams. Common filtration applications can include:
Donaldson identifies single-bag liquid housings for pre-filtration, coarse filtration, and bulk liquid processing, while Parker describes liquid filter vessels for a broad range of process filtration applications.
Final suitability depends on the process medium, material compatibility, temperature, pressure, filtration objective, and applicable industry requirements. A standard filter housing should not automatically be assumed suitable for sanitary, hazardous, corrosive, high-temperature, or high-pressure service.
Selecting a bag filter housing starts with process data. Providing complete operating information allows an engineer or manufacturer to evaluate the housing, filter bag, basket, connections, and filtration area as one system.
This information produces a more useful quotation than requesting a housing based only on nominal pipe diameter or bag size.
Start with required flow, fluid viscosity, contaminant loading, micron rating, allowable pressure drop, and desired service interval. These factors determine the filtration area required. Pipeline connection size alone should not be used to select the housing.
A single-bag housing uses one filter bag, while a multi-bag housing contains several bags inside one vessel. Multi-bag configurations provide more filtration area and are typically evaluated when greater process capacity or longer operating periods between maintenance stops are required.
Flow capacity depends on the complete filtration system, including media type, bag size, number of bags, fluid viscosity, contaminant loading, pressure conditions, and piping arrangement. Provide the expected operating flow rather than relying on a generic maximum GPM value.
The housing material should be compatible with the process liquid, cleaning chemicals, operating temperature, pressure, and surrounding environment. Stainless steel, 316 stainless steel, carbon steel, and other constructions have different advantages and limitations, so final selection should be application-specific.
Choose the micron rating according to the size and type of contamination that must be removed and the cleanliness required downstream. A finer rating is not automatically better because it may increase loading or pressure drop under some process conditions.
Depending on the housing design and manufacturing requirements, connection size, NPT or flange configuration, and inlet/outlet orientation may be evaluated for customization. Providing piping drawings or existing equipment dimensions can make specification confirmation easier.
Provide the fluid, required flow rate, desired micron rating, operating pressure and temperature, preferred material, connection size and type, filter bag size or quantity if known, required equipment quantity, and any existing drawings or project specifications.
For a more accurate bag filter housing quotation, provide as much process information as possible, including the fluid or process medium, required flow rate, micron rating, operating pressure, temperature, preferred housing material, connection size, bag size, number of bags, and required quantity.
Existing drawings, piping layouts, replacement filter information, or project specifications can also help define the correct configuration.
Submit your requirements to request a quotation, product specification, technical recommendation, custom housing evaluation, or engineering discussion. The final configuration can then be reviewed according to your actual operating conditions rather than selected from a generic filtration product description.