Threaded pump cover investment casting with machined center threads, mounting ears and a side outlet. Sanjack is a Chinese manufacturer, factory, exporter and supplier making these covers in China to custom drawing, material specification and target factory price.
Threaded Pump Cover Investment Casting is a custom investment-cast pump component with accurate threaded and sealing features. Sanjack manufactures this part in China as an OEM factory, exporter and supplier from customer drawings or samples.
Available in stainless steel, carbon steel and alloy steel, with typical weight from 0.1–50 kg and tolerance to ISO 8062 CT5–CT6. Thread type, cover diameter, flange pattern and machining allowance are customized to your drawing.
Silica-sol lost wax casting is followed by heat treatment, CNC turning, drilling, tapping, milling, polishing and passivation. Threads and gasket surfaces are finished after casting to support precise pump assembly.
Inspection includes material verification, dimensional checks and optional pressure or leak testing. Typical MOQ is 100 pieces and lead time is about 35–40 days after sample approval. Email export@tousinmetal.com for a custom drawing review and factory price.


