Description
The JS JST-110KBH (code 011-132) is the highest-head H model in the KB range. Its 11 kW, 400v three-phase motor lifts to a maximum of 53 metres and delivers up to 1,500 litres per minute through a 4-inch top outlet, with a built-in agitator and 10 mm solids passage.
Compared with the standard JST-110KB (2,120 l/min, 41 m, 6-inch outlet), the JST-110KBH gives 12 m more head at a lower flow. If you need more head than this, the JST-220KB reaches 60 m with far more flow, but needs twice the power. For a smaller job at high head, the JST-75KBH reaches 43 m.
Every KB pump shares the same build. The impeller, suction wear plate and agitator are abrasion-resistant high-chrome iron, the motor casing is cast iron and the shaft is 410 stainless steel, protected by a shaft sleeve where abrasives cause wear. Double mechanical seals (silicon carbide and carbon) run in a separate oil chamber, with an additional lip seal to keep grit away from them. The motor has Class H insulation and thermal overload protection, which trips on high current or high temperature, and JS Pumps uses an enhanced cable entry sealing system. The outlet is at the top, so the pumped liquid passes the motor and helps cool it for continuous duty.
Features
- High-head pump end: up to 53 m
- Up to 1,500 l/min
- 11 kW, 400v three-phase motor
- 4″ top outlet
- Built-in high-chrome agitator
- Solids passage up to 10 mm
- Double mechanical seals, lip seal and thermal overload protection
Applications
- Deep open-pit and mine sumps
- Pumping up steep quarry faces to surface lagoons
- Long rising mains on dewatering schemes
- Deep shafts and excavations
Check that your site supply and control panel are rated for an 11 kW motor. If your lift is well below 40 m, the standard JST-110KB will give more flow. These pumps are built for water carrying sand, silt and light slurry with particles up to 10 mm. They are not designed for raw sewage, rag or fibrous material, for which the JST SV sewage vortex pumps are the better choice, or for chemicals and hydrocarbons.
Performance curves
The JST KB range
| Model | Outlet | Motor (kW) | Max Flow (l/min) | Max Head (m) | Max Solids (mm) | Height (mm) |
|---|---|---|---|---|---|---|
| JST-55KB | 4″ | 5.5 | 1,540 | 22 | 10 | 750 |
| JST-55KBH | 3″ | 5.5 | 1,220 | 34 | 10 | 720 |
| JST-75KB | 6″ | 7.5 | 1,950 | 31 | 10 | 825 |
| JST-75KBH | 4″ | 7.5 | 1,200 | 43 | 10 | 795 |
| JST-110KB | 6″ | 11 | 2,120 | 41 | 10 | 890 |
| JST-110KBH | 4″ | 11 | 1,500 | 53 | 10 | 860 |
| JST-150KB | 6″ | 15 | 2,700 | 46 | 10 | 1002 |
| JST-220KB | 6″ | 22 | 2,800 | 60 | 10 | 1062 |
All models are 400v three-phase. Flow and head are the maximums in JS Pumps’ 50 Hz KB Series data, and height is the manufacturer’s overall pump height. See the JST KB range page to compare every model and for answers to common questions.
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