Stainless steel pump body investment casting with a large machined bore and lateral fluid ports. Sanjack is a Chinese manufacturer, factory, exporter and supplier making corrosion-resistant pump bodies to custom drawing with stable quality and direct factory price.
Stainless Steel Pump Body Investment Casting is a corrosion-resistant precision casting for industrial pumps. Sanjack produces custom pump bodies in its China investment casting factory, integrating casting and CNC machining for stable dimensions and direct factory pricing.
Stainless steel grades, carbon steel and alloy steel are available. Typical casting weight is 0.1–50 kg with tolerance to ISO 8062 CT5–CT6. Internal passages, wall thickness, flange connections and machining allowances follow your drawing.
Silica-sol lost wax casting is followed by heat treatment, CNC machining, drilling, tapping, polishing and passivation. Pump bores, flange faces and threaded ports are machined after casting for accurate sealing and assembly.
Quality records can include material certificates, dimensional reports and optional pressure or leak testing. Typical MOQ is 100 pieces and lead time is about 35–40 days after sample approval. Contact export@tousinmetal.com for factory quotation.


