SNH
Naniwa Pump SNH — Low-viscosity Fuel Oil Pump, Fuel Oil Burning Pump.
Components & Design
Component data being added…
Technical Data
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Common failures & inspection points
Visually inspect shaft seal area for oil seepage; measure leak rate in ml/min; check seal component clearances using feeler gauge
Measure inlet and discharge pressures using calibrated gauges; check for pressure differential exceeding manufacturer specifications; inspect and replace inlet filters per maintenance schedule
Perform volumetric efficiency test comparing actual discharge flow to theoretical capacity; measure pump noise and vibration with vibration analyzer; inspect rotor clearances using feeler gauge
Visual inspection for rust spots and corrosion; fuel quality analysis (water content, sulfur content) per ISO 8217; pressure test casing integrity at 1.5x rated pressure
Measure vibration levels using accelerometer (ISO 10816 standards); check bearing temperature; inspect coupling alignment using dial indicator; observe pump operation for unusual grinding or rattling sounds
Type-general inspection and maintenance points for this equipment category — not model-specific.
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