Stanley Hydraulic Tools

Pumps

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Dewatering Pumps: SM20

Without a doubt, Stanley hydraulic pumps exemplify the pure power of hydraulic tools. The Stanley SM20 Water Pump is one of the lightest and most durable pumps available. Pumping 250 gpm (946 lpm) at a 10 foot head and moving solids up to 5/16 of an inch makes it ideal for vaults and manholes.

Features & Benefits
  • 4-9 gpm (15-34 lpm) operating range
  • Stainless steel, steel, urethane, or cast iron impellers (model dependent)
  • Submersible (no priming required)
  • Able to run dry without damage
  • 3/8 inch strainers
  • Lifting eyes
Weight 18 lb / 8.16 kg
Height 7.5 in. / 19 cm
Width 9.6 in./24cm
Discharge Size 2.5 in. NPT Female
Output 250 gpm / 946 lpm
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Dewatering Pumps: SM21

The Stanley SM21 Water Pump is one of the lightest and most durable pumps available. It’s capability of pumping 300 gpm (1135 lpm) at a 50 foot head make it ideal for vaults, manholes and more specifically in confined narrow openings.

Features & Benefits
  • 4-9 gpm (15-34 lpm) operating range
  • Stainless steel, steel, urethane, or cast iron impellers (model dependent)
  • Submersible (no priming required)
  • Able to run dry without damage
  • 3/8 inch strainers
  • Lifting eyes
Weight 25 lb / 11.34 kg
Height 16 in. / 40.6 cm
Width 6.25 in./15.9cm
Discharge Size 2.5 in. NPT Female
Output 300 gpm / 1125 lpm
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Dewatering Pumps: SM50

Our SM50 pump discharges an impressive 500 gallons per minute (1890 lpm) while it's small size allows it to fit in a box 11 inches deep by 10 inches square (26.7 cm x 25.4 cm.

Features & Benefits
  • 4-9 gpm (15-34 lpm) operating range
  • Stainless steel, steel, urethane, or cast iron impellers (model dependent)
  • Submersible (no priming required)
  • Able to run dry without damage
  • 3/8 inch strainers
  • Lifting eyes
Weight 21 lb / 9.5 kg
Height 10.5 in. / 26.7 cm
Width 10 in./25.4cm
Discharge Size 3 in. Male Camlock
Output 500 gpm / 1890 lpm