Stanley Tools SM50100 Hydraulic Submersible Water Pump with Stainless Steel Impeller

Item Number: STSM50100 Categories: , ,


The SM50 Water Pump is a submersible, centrifugal type pump that requires no priming. The motor is a contaminant-tolerant gear motor uniquely designed for continuous high-speed operation. The motor drives the impeller directly, so there are no spindle bearings that require periodic lubrication or replacement. The cast stainless steel, semi-closed impeller resists corrosion. A series of seals on the drive shaft effectively keep hydraulic fluid and pumped water where they belong while allowing the pump to be run dry without sudden seal failure.

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Product Specifications
Weight 21 lbs
Shipping Dimensions 10.5 × 10 × 10 in


More Product Information

Stanley Tools SM50100 Hydraulic Submersible Water Pump with Stainless Steel Impeller

The SM50 water pump is fitted with dripless flat-faced HTMA quick couplers for easy connecting and disconnecting of the pump and hydraulic system. The water outlet is a 3-inch pipe thread fitted with a 3-inch groove fitting to which can be connected a cam hose end fitting. Access to the pumping chamber for cleaning requires the removal of only two cap screws. The motor with the impeller attached is then easily removed from the pump casing. The SM50 can draw down water to a depth of 3.5 inches. Putting the SM50 in a sump will allow it to pump all but 3.5 inches of water remaining in the sump. The integral screen effectively keeps solids larger than 3/8 of an inch out of the pump. The pump will handle clear water and water containing up to 10% solids.


  • Capacity: 500 GPM
  • Weight: 21 lbs
  • Length: 10.5 inch
  • Width: 10 inch
  • Hydraulic Pressure: 1000-2000 PSI
  • Input Flow Range: 7-12 GPM
  • Optimum Flow: 8 GPM
  • Porting: -8 SAE O-ring
  • Connect Size & Type: 3/8 inch Flush Face Quick Disconnect
  • Max Pressure: 2000 PSI
  • CE Certified


Users Manual download

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