Review tin-bronze grades.
Compare reference grades and composition in the alloy catalogue. Confirm the required material against the drawing, operating conditions and acceptance requirements.
Explore the alloy referenceCasting requirements occur in pump casings, impellers, shaft interfaces and flow-control valves. Ballast transfer and bilge drainage have different media and operating duties; specify the circuit before selecting a component or alloy.

Select the equipment and identify your casting below.
Generated illustrations show component categories, not Zhiren installations or engineering drawings. Components for drawing-defined pumping equipment, not a ballast-water treatment system or a pollution-prevention approval.
Select an equipment view, then a component number to see its shape, material options and quotation requirements.
Illustrative geometry and component location; the individual part may show a different design variant. Colour does not identify a certified alloy grade.
Illustrative geometry and component location; the individual part may show a different design variant. Colour does not identify a certified alloy grade.
Other designs may use the components below. Open a guide for its material options and drawing requirements.
Compare reference grades and composition in the alloy catalogue. Confirm the required material against the drawing, operating conditions and acceptance requirements.
Explore the alloy reference