Sta-Rite DS2 Series Centrifugal Pump
Pentair Sta-Rite DS2 Series Centrifugal Pump — Marine Water Supply and Transfer.
Components & Design
Component data being added…
Technical Data
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Common failures & inspection points
Visual inspection of diaphragm flexibility; perform manual pump actuation resistance test; check for visible cracks, brittleness, or discoloration indicating UV/thermal damage
Visual inspection of impeller blade surface for pitting, erosion patterns, or surface roughness; measure suction inlet pressure; verify inlet filtration (raw water strainer) cleanliness
Inspect pump body, shaft sleeve, and bearing areas for white/green corrosion deposits; perform salt spray test sample verification; check stainless steel (316) shaft sleeve condition
Monitor fluid level around seal cavity; measure seal leakage rate; inspect bearing endplay with feeler gauge; listen for abnormal grinding or squealing noises; verify grease-for-life bearing integrity
Test cut-in and cut-out pressure points with independent gauge against pump datasheet specs; inspect electrical contacts for green/white corrosion; verify 12-24V DC circuit continuity and insulation resistance
Type-general inspection and maintenance points for this equipment category — not model-specific.
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