Shijiazhuang, Hebei, Chinasales@kaifil.com
KAIFIL
Strainer baskets

Flanged filter inserts

A flanged filter insert combines a cylindrical or basket-shaped filtering body with a flange that locates, seals and retains the element in equipment. The flange interface, media support and removal features must be designed as one assembly.

Perforated metal screens
Filter media
Perforated, mesh-lined or specified metal filtering construction
Flange
Drawing-defined flange, collar or seating rim
Basket body
Tube or basket body with agreed end condition
Material
Stainless steel grade or specified alloy agreed for the application

Share a drawing, reference sample or application requirements to discuss the configuration.

Specifications

Flanged filter inserts
ParameterSpecificationNotes
Filter mediaPerforated, mesh-lined or specified metal filtering construction
FlangeDrawing-defined flange, collar or seating rim
Basket bodyTube or basket body with agreed end condition
MaterialStainless steel grade or specified alloy agreed for the applicationConfirm compatibility of media, supports, connections and joining materials with the process and cleaning chemistry.
DimensionsManufactured to the approved drawing and agreed tolerancesProvide flange outside diameter, bore, thickness, bolt pattern if present, seat finish, body diameter and insertion length. State the gasket location and permitted assembly clearance.
Service conditionsProcess medium, temperature, flow and differential pressure to be specifiedLimits depend on the complete construction; no universal pressure or temperature rating applies.
InspectionDimensions, media identification, joints and visual conditionSpecial tests require an agreed method, sampling plan and acceptance criteria.
Order basisQuantity, sample stage, documentation and packing agreed at quotationLead time and minimum order quantity follow the confirmed material and manufacturing scope.
Specification exampleExample: 100 µm woven aperture; flange fit per drawing

Materials: Stainless steel grade or specified alloy agreed for the application

Product details

Construction and filtering function

The flange locates the insert and provides a seating or fastening interface. It does not automatically make the part a pressure-rated pipeline flange. The filtering body, flange joint and sealing path must be reviewed as one component so fluid cannot bypass the intended filtering surface.

Installation and fit

Provide flange outside diameter, bore, thickness, bolt pattern if present, seat finish, body diameter and insertion length. State the gasket location and permitted assembly clearance.

Basket examples with perforated supports and different rims and handles.
Basket examples with perforated supports and different rims and handles.

Operating conditions and maintenance

Confirm flow direction, differential pressure, vibration, corrosion and removal method. Any pressure-boundary function or code requirement must be explicitly identified for separate review.

Inspection and order confirmation

Confirm the drawing revision, material designation, critical dimensions and inspection documents before manufacture. Agree how media identity, joints, edges and cleanliness will be checked. If a sample or first article is required, define the approval step before repeat production. Flow, pressure or retention testing must include the test method and acceptance limit; appearance alone does not verify filtration performance.

Applications

Housing inserts

Removable filtration components located by a collar or flange within equipment.

Strainer replacements

Drawing-defined replacement inserts with matching seats, seals and extraction space.

OEM assemblies

Flanged subcomponents supplied for integration into a customer-designed assembly.

Selection guide

Include these details when discussing your requirements.

Filter media
Perforated, mesh-lined or specified metal filtering construction
Flange
Drawing-defined flange, collar or seating rim
Basket body
Tube or basket body with agreed end condition
Material
Stainless steel grade or specified alloy agreed for the application. Confirm compatibility of media, supports, connections and joining materials with the process and cleaning chemistry.
Dimensions
Manufactured to the approved drawing and agreed tolerances. Provide flange outside diameter, bore, thickness, bolt pattern if present, seat finish, body diameter and insertion length. State the gasket location and permitted assembly clearance.
Service conditions
Process medium, temperature, flow and differential pressure to be specified. Limits depend on the complete construction; no universal pressure or temperature rating applies.

Product questions

Does a flange mean the insert has a standard pressure class?

No. A locating flange or rim may only position the insert. If a standardized flange or pressure-retaining function is required, provide the standard, class and design conditions for review.

How is the material selected?

Provide the process fluid or gas, temperature, cleaning chemicals and corrosion exposure. The grade must suit every wetted component, including supports, joints and seals. Final compatibility is confirmed against the actual service conditions.

What is needed for a quotation?

Provide flange outside diameter, bore, thickness, bolt pattern if present, seat finish, body diameter and insertion length. State the gasket location and permitted assembly clearance. Also include material, operating conditions, required quantity and any sample or inspection-document requirements.

Can inspection records be supplied?

Material records, dimensional inspection and other agreed documents can be included in the order scope. Specify traceability, document type and any special testing before quotation.

Technical enquiry

Define the dimensions, media, joints and inspection records before confirming the order.

Technical details (optional)
Selection inputs

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