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KSB UPA 100C

Submersible Borehole

Identification
ManufacturerKSB
SeriesUPA
Model / sizeUPA 100C
Pump typeSubmersible Borehole
Spec codePS-SM-016
Duty & power
Min flow1 m³/hr
Max flow3 m³/hr
Min head20 m
Max head120 m
Max power1.5 kW
NPSHr0.8 m
Efficiency at BEP55 %
Drive & electrical
Starting methodDOL (Direct On Line) — up to 3kW
VFD compatibleYes (10-60 Hz, soft start recommended)
Motor IE classIE3 (mandatory EU/MEPS) / IE4 optional
Insulation classClass F (155°C) standard
IP ratingIP68
Materials & sealing
CasingSS 1.4301
ImpellerSS 1.4301
ShaftSS 1.4301
Seal typeMechanical Seal
API seal planPlan 11 / Plan 13 (vent) — canned motor, no external seal
Application
ServicePotable Water, Deep Well
Key features4 inch submersible, KSB quality

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Pump specification, curve, seal plan, maintenance & troubleshooting

A complete, shareable page for a single pump. It plots the performance curve (head, efficiency and NPSHr against flow, with the best-efficiency point marked, or dosing flow against stroke), decodes the API 682 / ISO 21049 mechanical seal plan, and lists the full specification — duty and operating range, drive and motor, materials of construction, build and reliability, connections, weight and certifications. Pop-up panels give the type-specific preventive-maintenance schedule (daily to annual tasks with procedures) and a troubleshooting guide (symptoms, probable causes and recommended solutions).

Run a centrifugal pump near its BEP and keep dosing pumps in their recommended stroke band. Data is from the engineering reference database — confirm against the manufacturer's certified curve before procurement.

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