Pump Troubleshooting & Solutions
Leveraging 30+ years of manufacturing excellence, Chaodun provides expert pump troubleshooting, noise diagnostics, and maintenance support to keep your operations running smoothly.
Troubleshooting Guides
XBD-D Horizontal Multistage Fire Pump
Horizontal multistage fire pump with adjustable stage configuration for precise pressure matching. Delivers 0.3–2.4 MPa at 10–120 L/s, suitable for high-rise buildings, sprinkler systems, and fire water cannon applications.
XBC Diesel Engine Deep Well Long-Shaft Fire Pump
Diesel-powered deep well long-shaft fire pump with independent water extraction from underground sources. No electricity or municipal water required. Automatic start with multi-retry protection and deep well capability.
WQ Submersible Sewage Pump
Anti-clogging submersible wastewater pump with single/dual-channel impeller, dual mechanical seals, and automatic coupling installation — designed for municipal sewage, industrial drainage, and construction site applications.
XBD-CDL Vertical Multistage Fire Pressure Stabilizing Pump
Vertical multistage jockey pump for fire network pressure stabilization. Maintains standby pressure in fire protection systems, prevents unnecessary main pump cycling, compact inline design.
XBD-GDL Vertical Multistage Fire Pump
Vertical multistage centrifugal fire pump for high-pressure fire water supply. Compact inline design, reliable operation with proper startup/shutdown procedures, integrates with complete fire pump sets.
CDWG Non-Negative Pressure Water Supply Unit
The CDWG non-negative pressure water supply unit uses municipal pipe network pressure as its intake source, stacking baseline pressure through variable frequency drive technology to deliver consistent building water service with pressure fluctuation within plus or minus 0.01 MPa.
XBD-CDS Horizontal Split-Case Fire Pump
The XBD-CDS horizontal split-case double-suction fire pump delivers 60-350 L/s at 30-200 m head for industrial and commercial fire protection systems. Its split-case design enables impeller access without disturbing piping.
XBD-GJ Deep Well Long-Shaft Fire Pump
The XBD-GJ deep well long-shaft fire pump delivers 5-110 L/s at 32-200 m head for fire protection systems drawing from wells and deep water sources.