Tianjin SWKS Technology & Development Co.,Ltd is one of the most reliable manufacturers and suppliers of custom pp industrial filter cartridge end cap in China. If you're going to buy bulk cheap custom pp industrial filter cartridge end cap, welcome to get quotation from our factory. Quality products and low price are available.
Polypropylene End Caps for Industrial Filter Cartridges
A filter cartridge end cap locates the filter media at the end of a cartridge and provides the interface to the adjoining housing or adapter. This custom PP molding can be configured for an open outlet end or another cartridge end arrangement shown on the approved drawing. Cap geometry is reviewed together with the media pack and housing interface because small changes in either can affect assembly fit.
Product Specifications
| Specification | What to Specify |
|---|---|
| Material | PP grade selected for the specified fluid, temperature and assembly method. |
| Process | Custom injection molding. |
| Outer interface | Outside diameter, locating lip and axial seating face to drawing. |
| Outlet geometry | Through-bore or closed configuration as required by the cartridge design. |
| Media seat | Annular recess width, depth and seating face matched to the media pack. |
| Seal interface | Gasket or O-ring geometry and mating dimensions supplied by the customer, where applicable. |
| Inspection | Critical diameters, flatness and concentricity defined on the approved drawing. |
Start with the Housing and Media Interfaces
Provide the housing bore, the cartridge centerline and the axial face used to locate the end cap. On the media side, identify the media pack diameter, how far it enters the cap and any room needed for potting or other attachment methods. A section through the complete cartridge shows how the bore, seal and media seat relate to each other and helps establish which surfaces need close dimensional control.
Specify the Assembly Process and Service Conditions
Tell us whether the cap is bonded, welded or mechanically retained and which surfaces are involved. Share the process temperature and fixture contact locations if heat is applied during assembly. For grade review, identify the fluid, cleaning agents and the intended operating conditions. Any pressure rating or leakage requirement should be evaluated on the assembled cartridge and housing under the specified service conditions.
First Article Checks
Check the cap against the actual housing and media pack before releasing a production order. Verify the bore and locating diameters, media seating depth, and fit of the intended gasket or seal. If the assembly relies on a controlled axial gap, measure it with both ends fitted so the cap thickness and cartridge length are assessed together.
Request a Quote
Send a STEP, STP or IGS model and a dimensioned PDF, along with the cartridge section drawing, operating fluid, temperature range, assembly method and estimated order quantity. See other plastic injection molded parts or send your requirements through the SWKS contact page. Email amanda@tjswks.com or call +86 152 2270 7659.
Images are illustrative. Final geometry follows the approved drawing.
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