My Cart

LB Heavy Duty Dewatering Pump

1HP 230v/1
Model Number
tsurumi_lb-800a pump

Tsurumi LB-800

Heavy Duty Submersible Dewatering Pump. Tsurumi Submersible pump with top discharge provides maximum motor cooling efficiency allowing continuous duty operation at low water levels and extended dry-run capability. Semi-open urethane impeller with a SS wear plate. Designed for the contractor to dewater work sites, swimming pools.

Disigned to fit an 8" pipe. Easy disassembly with one 12mm box socket wrench. 50FT power cable.

  • Up to 60' shut off head.
  • 220 V single-phase for lower amperage draw and longer cable extensions.
  • Double Inside Mechanical Seal with SiC faces, 7oz oil bath provides the longest operation life.
  • Urethane rubber-coated impeller is more abrasion-resistant and lasts up to 3 times longer than a cast iron impeller
  • Oil Lifter provides lubrication of the seal faces and extends seal life by ten times.
  • Float Switch optional for automatic operation.
  • Continuous LOW running water level 2".
  • Multi-directional discharge connector.
  • 2" Discharge
  • Large inlet strainer with 1/4" holes.
  • 2 Year warranty

This Tsurumi Submersible Water Pump is compact with excellent motor cooling efficiency. Allows continuous duty operation at low water levels, plus extended dry run capability. V-ring system protects shaft seal from abrasives. Silicon carbide-faced mechanical seal. 2in. discharge bore. Includes 50ft. cable. Top discharge design provides maximum motor cooling efficiency for continuous duty work at low water levels and extended dry run capacity


More Information
Model Number LB-800
Series Submersible Dewatering Pumps Tsurumi
Max Flow (GPM.) 73
Max Flow GPH 4380
TDH Maximum (Ft) 60
TDH Maximum (PSI) 26
Horse Power (HP) 1
Horsepower (IE .5, 1, 1.5, 20) 1.0000
Outlet Connection Type MNPT
Outlet (In.) 2
Wetted Materials CI-SS
Elastomers / O-ring Urethane
Voltage (V) 230
Voltage (Range) 220-240
Phase (Ø) Single (1)
Motor Frequency 60
Motor Amps (A) 5.1
Motor Hermetically Sealed
Speed (RPM.) 3450
Max Operating Temperature (F) 130
Max Particle Size (In) .25
Viscosity Milk 3.20 cp 40.00 ssu
Shaft 416SS
Length (In.) 16.250000
Mechanical Seal Face SiC
Mechanical Seal Type Double
Motor Bearings Ball
Other Max. Diameter (inch) : 7 1/2"Max. Height (inch): 16 1/4.Continuous Running Water Level (inch): 2". Motor insulation class E. 50FT power cable. Minimum generator size 3300 watts. Automatic thermal overload in motor. ETL Certified to UL CSA standards for submersible construction pumps. Starting current 21A.
Impeller Material Urethane, semi-open
Motor Locked Rotor Amps (A.) 22.000000
Cord Size 14-Mar
Cord Length (Ft.) 50
Motor Insulation E
Duty Continuous
Port Rotation Yes
Country of Manufacture Japan
Weight (Lbs) 35.000000
Warranty (YRS.) 2
GPM Of Water At 15 Feet Of Head 70
GPM Of Water At 25 Feet Of Head 60
GPM Of Water At 40 Feet Of Head 40
GPM Of Water At 50 Feet Of Head 22
As a pioneer in the submersible pumps, Tsurumi Pump is contributing to the people all over the world by supplying the products that always support people’s lives such as submersible pumps for wastewater and construction, centrifugal pumps, vacuum pumps, and water treatment equipment, etc. and also by offering technologies that control and protect water.