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JS JST & JST H – Heavy Duty Submersible Pumps

The JST range by JS Pumps is a robust 3-phase submersible pump with double mechanical seals for enhanced durability. Made of stainless steel with a cast iron impeller, it is designed to withstand tough conditions. The ‘H’ version is ideal for high-head applications.

£220.81£1,879.13 +VAT

in stock


The JST range is a heavy-duty 3-phase submersible pump manufactured by JS Pumps.

It features double mechanical seals with carbon ceramic and silicon carbide in an oil-bathed lubricated chamber, providing protection from operator misuse. Engineered from tough stainless steel motor case and shaft, it comes complete with a cast iron impeller, lower motor bearing/seal housing, motor top cover, and volute.

The ‘H’ version is available for high-head applications.

It is supplied complete with 10 meters of power cable.

Pumps are supplied with a hose tail up to JST22; JST37 and above have a female BSP thread.


  • Stainless Steel Body
  • Cast Iron Impeller
  • Maximum solids 10mm


  • Heavy duty
  • Clean Water
  • Dirty water

Models in this range


JST-4400v2″230/ x 145 x 22010011-004
JST-8400v2″350/ x 190 x 26025011-008 2″
JST-8400v3″350/ x 190 x 28025011-008 3″
JST-15400v3″565/181.53.2440 x 190 x 2 28027011-015
JST-22400v3″865/202.24.6510 X 220 X 31539011-022
JST-37400v4″1375/243.77.9525 x 220 x 32045011-037
JST-55400v4″1945/275.511.5640 X 280 X 50090011-055
JST-75400v6″1970/337.515.2720 X 280 X 50095011-075
JST-15H400v2″435/221.53.2440 X 190 X 28027011-019
JST-22H400v2″745/252.24.6510 x 220 x 31539011-023
JST-37H400v2″805/323.77.9525 x 220 x 32045011-039
JST-55H400v3″1320/355.511.5640 x 280 x 50090011-057
JST-75H400v4″1290/44.57.515.2720 X 280 X 50095011-077


Additional information


JST-4 400v, JST-8 2" 400v, JST-8 3" 400v, JST-15 400v, JST-22 400v, JST-37 400v, JST-55 400v, JST-75 400v, JST-15H 400v, JST-22H 400v, JST-37H 400v, JST-55H 400v, JST-75H 400v




Flow Rate

201 – 250 l/min, 301 – 350 l/min, 551 – 600 l/min, 801 – 850 l/min, 1000 l/min +

Max Head

11- 20m, 21 – 30m, 31 – 40m, 41- 50m

Pump Material

Cast Iron, Stainless Steel

Liquid Type

Clean Water, Dirty Water


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Delivery Information

We offer free next working day delivery to any UK address on all orders over the value of £200+VAT if ordered before 3pm on weekdays excluding bank holidays. Delivery on orders below this amount is charged at £15+VAT.
For more information please see our Terms and Conditions

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