Description
The Tsurumi Construction Pump – LB Series is a durable and lightweight single-phase contractor pump, widely used in construction, utilities, and tool rental industries. Known as the “hire industry standard,” this series has been trusted since the 1970s.
TECHNICAL DATA
- Outlet (mm/BSPM): 50 – 2″
- Motor output (kW): 0.48 – 1.5
- Max head (m): 11 – 17.5
- Phases: 1
- Max flow (I/min): 225 – 420
- Free passage (mm): 6
PERFORMANCE CURVE

SPECIFICATIONS
PUMP:
Handle (110v)/(230v): Resin/Steel & rubber
Outlet (LB-480/800): Cast aluminium
Outlet (LB-1500): Cast iron
Outer cover: Steel
Bearing housing: Cast aluminium
Pump casing: Rubber
Impeller (LB-480/800): Urethane
Impeller (LB-1500): Chromium iron
Suction cover (LB-480/800): Steel & urethane
Wear ring (LB-480/800): Steel & urethane
Wear ring (LB-1500): Rubber
Shaft: S/S 410S
Shaft seal: Silicon carbide
Lubrication: Oil
Strainer: Steel

Tsurumi Construction Pump – LB SERIES
Reliable and Built to Last
The Tsurumi LB Series is a lightweight yet tough single-phase contractor pump, widely used in construction, utilities, and tool rental businesses.
A Trusted Industry Standard
Known as the “hire industry standard” since the 1970s, these pumps feature a strong hydraulic design, a double mechanical seal, and an oil lifter to keep seals lubricated in any position.
Tough on Site Conditions
With durable rubber and urethane parts, these pumps handle sand and silt in site water without wearing out quickly, making them a reliable choice for tough environments.
Smart Design for Efficient Operation
The top discharge design ensures proper cooling for long hours of use, even in seepage conditions. Plus, the LB-480 and LB-800 models offer both horizontal and vertical discharge options for easy hose positioning.