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 referenceIn a ship’s fire-main system, copper-alloy casting requirements may arise in the fire pump and selected isolation or non-return valves. The equipment design defines the alloy, pressure boundary and acceptance requirements.

Select the equipment and identify your casting below.
Generated illustrations show component categories, not Zhiren installations or engineering drawings. Casting inspection is separate from complete fire-pump performance testing and equipment or vessel 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