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Custom cast iron end cover

Our custom cast iron end covers are precision sand-cast and machined for electric motors, centrifugal pumps, gearboxes, and industrial rotating equipment. Each end cover is manufactured to your exact drawing, with CNC-machined mating faces, bolt hole patterns, bearing seat bores, and shaft seal housings held to tight dimensional tolerances. Grey iron and ductile iron options are available, with OEM and ODM support and sample production available before mass order commitment.

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*Provide your application requirements—such as stress conditions, materials, size range, and even product name. We are always available for customization, so please contact us directly.

Why Choose Our Cast Iron End Covers?

 

Precision Machined Mating Faces — All critical sealing and mating surfaces are CNC-machined to your specified flatness and surface finish requirements, ensuring leak-free assembly and accurate bearing alignment in motor and pump applications.

Custom Bolt Hole Pattern & Bearing Seat — Bolt circle diameter, hole count, bearing seat bore, and shaft seal groove dimensions are all machined to your drawing, ensuring direct drop-in compatibility with your existing motor or pump housing.

Grey Iron & Ductile Iron Options — Grey iron provides excellent vibration dampening and machinability for standard motor end covers, while ductile iron offers superior impact resistance and tensile strength for high-pressure pump and gearbox applications.

Sand Casting for Complex Geometries — The sand casting process allows accurate reproduction of complex internal profiles, including volute chambers, reinforcing ribs, and multi-port configurations seen in centrifugal pump end covers.

Full Dimensional Inspection Report — Each sample and production batch is accompanied by a dimensional inspection report covering all critical features, ensuring consistent quality across large OEM production runs.

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Whether you have detailed drawings or just a concept, we’re ready to listen.
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