Review tin-bronze grades.
Compare reference grades and composition in the alloy catalogue. Use the approved component specification to determine the required alloy and service suitability.
Explore the alloy referenceCOPPER-ALLOY COMPONENT GUIDE
Fire Protection Water Systems
Drawing-led guidance for copper-alloy fire-valve bodies, connection castings and specified pump internals. Identify the component and its approval boundary before reviewing material or manufacturing options.
01
Sprinkler & standpipe valves
Locate the body, bonnet and closure parts in approved bronze control and check-valve designs.
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02
Fire-service & hose connections
Define the external supply connection, hose outlet and branch body by function, orientation and exact interface standard.
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03
Specified fire-pump internals
Review copper-alloy impellers and wear rings only where the fire-pump OEM specifies them.
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04
OEM repeat orders & approved replacements
Control repeated and replacement parts through approved drawings, material identity and documented release requirements.
Explore componentsGenerated application imagery is conceptual. It does not show a Zhiren installation, an approved equipment design or a supplied component.
Browse the component guides 10 component entries
Review each component's function, material candidates and drawing requirements for the selected application.
Fire protection gate valve bodyComponent guide 
Valve bonnetComponent guide 
Check valve bodyComponent guide 
Fire department connection bodyComponent guide 
Fire hose connection bodyComponent guide 
Fire pump impellerComponent guide 
Fire pump wear ringComponent guide 
Check valve disc / FDC clapperComponent guide 
Fire hose valve bodyComponent guide 
Fire connection elbow / branch bodyComponent guide FURTHER GUIDANCE