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Using A Pump Curve

LB Tsurumi Submersible Water Pump

Excluding VAT

Description

The LB series is a lightweight and robust range of single-phase contractors’ pumps used widely by tool rental companies, utilities and in the construction industry. Considered the “hire industry standard”, early models have been used since the 1970’s. The hydraulic design features a double mechanical seal, with an oil lifter, for positive seal lubrication in any operating position, with rubber and urethane components that give excellent wear resistance in site water applications that contain sand and silt in suspension. The top discharge design forms a water and air-cooling channel and this, combined with a high-performance motor, enables long periods of operation in seepage conditions. On the LB-480 and LB-800 models, the discharge can be fixed in horizontal or vertical positions to enable the user to position the outlet in the required direction and prevent obstructions from a kinked hose. 


An electronic sensor switch is an optional add on. Click here

The Sensor switch has two 304 stainless steel probes that are encapsulated in moulded rubber and it is designed for portable applications. The compact design and precise water level control also makes it suitable for fixed installations and narrow or shallow sumps. During use, when both probes touch water, the pump will start and continue to operate for one minute after the water level drops. However, if the water touches both probes again within this time, the pump continues pumping for another minute and will continue like this on demand, so keeping the water level constantly below the level of the probes at all times. The off level can be as low as the suction cover at 20mm, depending on the sump size or area being drained. Probes can be lengthened by 70mm or 170mm, with optional extensions, to enable a lower “on” and “off” level. 


The Pendant float-switch has a power cable connected to a waterproof case that contains a ball bearing actuated switch and is designed for portable and fixed installations. The cable is clamped to the pump, with a small amount of adjustment to alter the “on” and “off” level. 


The AGMA float-switch has a switch actuated by a floating cylinder, housed within a tube. Compact, with fixed “on” and “off” levels for precise level control, it is intended for narrow sumps and fixed installations. 

LB Manual

 item code 

model 

Manual or 

Auto 

outlet 

(mm/BSPM) 

kW 

volt 

flow (l/min) 

head (mtrs) 

free passage (mm) 

dia x h (mm) 

dry weight 

(kgs) 

10-10-1115 

LB-480 

M 

50 

0.48 

110 

225 

11 

6 

Ø187x285 

10.4 

10-10-1118 

LB-480 

M 

50 

0.48 

230 

225 

11 

6 

Ø187x353 

10.4 

10-10-1129 

LB-800 

M 

50 

0.75 

110 

310 

15 

6 

Ø187x408 

13.0 

10-10-1094 

LB-800 

M 

50 

0.75 

230 

310 

15 

6 

Ø187x408 

13.0 

10-10-1087 

LB-1500 

M 

2” 

1.5 

230 

420 

17.5 

6 

Ø187x600 

32.5 

LB Automatic

 item code 

model 

auto (type) 

outlet 

(mm) 

kW 

volt 

flow (l/min) 

head (mtrs) 

free passage (mm) 

w x l x h (mm) 

on level (mm) 

off level (mm) 

dry weight 

(kgs) 

10-10-1178 

LB-480 

Pendant 

50 

0.48 

110 

225 

11 

6 

227x187x285 

300 * 

80 * 

10.8 

10-10-1203 

LB-480 

Pendant 

50 

0.48 

230 

225 

11 

6 

227x187x353 

300 * 

80 * 

10.8 

10-10-1050 

LB-480 

AGMA 

50 

0.48 

230 

225 

11 

6 

246x187x353 

210 

110 

10.7 

10-10-1345 

LB-480 

Sensor 

50 

0.48 

110 

225 

11 

6 

223x187x285 

115 

114 - 20 

11.0 

10-10-1259 

LB-480 

Sensor 

50 

0.48 

230 

225 

11 

6 

223x187x353 

115 

114 - 20 

11.0 

10-10-1130 

LB-800 

Pendant 

50 

0.75 

110 

310 

15 

6 

227x187x408 

300 * 

60 * 

13.4 

10-10-1022 

LB-800 

Pendant 

50 

0.75 

230 

310 

15 

6 

227x187x408 

300 * 

60 * 

13.4 

10-10-1346 

LB-800 

AGMA 

50 

0.75 

230 

310 

15 

6 

246x187x408 

265 

165 

13.3 

10-10-1324 

LB-800 

Sensor 

50 

0.75 

110 

310 

15 

6 

223x187x408 

170 

169 - 20 

13.6 

10-10-1347 

LB-800 

Sensor 

50 

0.75 

230 

310 

15 

6 

223x187x409 

170 

169 - 20 

13.6 

 10-40-1002 

70mm Sensor probe extentions x 2 

0.02 

10-40-1000 

170mm Sensor probe extentions x 2 

0.07 

*Approximate Liquid Level

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