Stainless Steel Submersible Water Pumps Hydra-Tech S310

The S310 pump is designed to fit into small spaces such as 4″ well casings, transformer vaults and bilges. Typical jobs may include blast hole dewatering, ground water evacuation and sampling, utility manholes and marine vessel compartment pumping.


  • Super Slim Line 3.1 Inch (79 mm) Diameter Pump for use in Blast Holes, Wells, Vaults or Any Other Tight Spaces.
  • For Use in Mildly Corrosive Evironments
  • Slim Line Design fits Through 4″ Openings
  • Efficient Semi-Open Impeller
  • Variable Speed Hydraulic Drive
  • Rugged and Reliable Gear Motor
  • Safe Hydraulic Drive Can Be Used Where Electric Power is Hazardous or Impractical
  • Operates With Our Gas, Diesel or Electric Drive Hydraulic Power Units or any open center power source with output flows to 5 GPM.
  • Also Available in Stainless Steel.
  • Recommended Power Units: HT6G, HT6D
Stainless Steel Submersible Water Pumps Hydra-Tech S310
WEIGHT:                      9 lbs. (4 kg)
HEIGHT:                      13 1/2" (343 mm)
DIAMETER (@ widest point):   3 1/8" (79 mm)
DISCHARGE:                   1 1/4" NPT(F)
HOSE PORTS:                  1/4" NPT (F)
PUMP CASTING:                Stainless Steel
IMPELLER:                    Stainless Steel
SHAFT:                       Stainless Steel
MOTOR HOUSING:               Aluminum
SHAFT SEAL:                  Carbon/Ceramic (Std)
ELASTOMERS:                  Buna N (Std)
HYDRAULIC OIL:               214-320 s.s.u. @ 100°F (64°C)
INPUT FLOW:                  Max. 5 GPM (19 LPM)
OPERATING PRESSURE:          Max: 1500PSI (102 Bar)

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