JST SV Submersible Sewage Pump with Vortex Impeller

The JS Pumps JST SV Series features high-performance, three-phase (~415V) heavy-duty electric submersible pumps engineered explicitly for transferring raw sewage, septic effluent, viscous liquids, and greywater containing soft suspended solids.

Featuring a recessed cast iron vortex impeller, the design establishes a vortex flow path inside a wide volute casing. This design allows mud, sewage, twigs, and debris to seamlessly pass through the pump body to waste without physically contacting the impeller, minimising wear and ensuring completely clog-free operation.

Supplied complete with 10 metres of power cable.

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Key Details

• Vortex Style Impeller: The recessed impeller design minimizes fluid-to-impeller contact, reducing the risk of clogging or pump damage when handling heavy solids.

• Built for Extreme Conditions: Constructed with a rugged cast iron pump body, impeller, and motor top cover, paired with a resilient stainless steel motor casing and shaft sleeve.

• Advanced Double Seal Protection: Equipped with dual mechanical seals (carbon ceramic and silicon carbide) enclosed in an oil-lubricated chamber. An additional lip seal keeps external abrasives and sand safely away from the primary seals.

• Internal Safety Assured: Integrated thermal overload protection defends the Class F insulated motor against over-temperature conditions and high amperage.

• Flexible Installation: Supplied standard as a free-standing setup complete with 10 meters of heavy-duty power cable. The side-vertical outlet can also be modified or removed for secure slide-rail (guide rail) mounting installations.