Description
The JST-37SKSS (code 011-378) is a 3.7 kW, 400v three-phase stainless steel cutter pump with a 4″ outlet. It reaches up to 24 metres of head, the highest in the range alongside the JST-75SKSS, and pumps up to 1,285 litres per minute.
Its strength is head rather than volume: it suits a corrosive sump that has to lift a long way, where the JST-22SKSS would run out of pressure. If the job needs far more flow, the 4″ JST-55SKSS moves up to 2,730 l/min. Run it from a pump control panel sized for a 3.7 kW three-phase motor.
The pump body, impeller, shaft and motor casing are AISI 316 stainless steel. A single-channel impeller with tungsten carbide tips runs against a serrated suction cover, cutting soft and fibrous solids into smaller pieces before they leave the pump. Double mechanical seals with silicon carbide and carbon faces protect the motor, with lip seals keeping grit and abrasives away from them. The pump is supplied with 10 metres of power cable.
Features
- 3.7 kW motor, 400v three phase
- Up to 1,285 l/min and 24 m head
- 4″ outlet
- Tungsten carbide tipped cutting impeller with serrated suction cover
- AISI 316 stainless steel pump body, impeller, shaft and motor casing
- Double mechanical seals (silicon carbide and carbon) with lip seals
- Manual operation for use with a control panel
- 10 metres of power cable
Applications
- Lifting corrosive effluent to a high discharge point
- Long rising mains from industrial or process sumps
- Landfill leachate pumping
- Deep stainless pump chambers
This is a sewage and effluent pump, not a slurry pump. Keep sand, gravel, stones and other hard abrasive solids out of the sump, as they wear the cutting edges and seals, and check chemical compatibility with 316 stainless steel and the seal materials before pumping anything other than water-based effluent. Do not use it for flammable liquids or solvents.
The JS SK SS stainless cutter range
| Model | Supply | Outlet | Max Flow (l/min) | Max Head (m) | Motor (kW) | Code |
|---|---|---|---|---|---|---|
| JS-750SKSS | 230v single phase | 2″ | 345 | 15 | 0.75 | 011-356 |
| JS-1500SKSS | 230v single phase | 3″ | 945 | 17 | 1.5 | 011-360 |
| JST-8SKSS | 400v three phase | 2″ | 310 | 15 | 0.75 | 011-364 |
| JST-15SKSS | 400v three phase | 3″ | 950 | 17 | 1.5 | 011-370 |
| JST-22SKSS | 400v three phase | 3″ | 1,250 | 20 | 2.2 | 011-374 |
| JST-37SKSS | 400v three phase | 4″ | 1,285 | 24 | 3.7 | 011-378 |
| JST-55SKSS | 400v three phase | 4″ | 2,730 | 22 | 5.5 | 011-382 |
| JST-75SKSS | 400v three phase | 4″ | 2,935 | 24 | 7.5 | 011-386 |
Flow and head are maximums from the JS performance curve. See the JS and JST SK stainless steel cutter pump range page for help choosing between models.
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