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Specifications LH-series 30kW, 3-Phase: Model

The document provides specifications for the LH-series drainage pump model LH430. The LH430 is a 30kW, 3-phase submersible pump designed to drain stormwater, groundwater, wash water, and sand-carrying water from construction sites and during flood drainage. It features a closed impeller, mechanical seal with silicon carbide faces, oil lubrication system, thermal motor protection, and galvanic corrosion protection.

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Natalia Garcia
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165 views4 pages

Specifications LH-series 30kW, 3-Phase: Model

The document provides specifications for the LH-series drainage pump model LH430. The LH430 is a 30kW, 3-phase submersible pump designed to drain stormwater, groundwater, wash water, and sand-carrying water from construction sites and during flood drainage. It features a closed impeller, mechanical seal with silicon carbide faces, oil lubrication system, thermal motor protection, and galvanic corrosion protection.

Uploaded by

Natalia Garcia
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Drainage Pumps

LH-series
SPECIFICATIONS Model LH430
30kW, 3-phase

Type of Pump Impeller


Submersible high head drainage pump for construction Closed Impeller made of high-chromium cast iron
and foundation works, floodwater drainage, etc.
Solids Passage
Type of Fluid 50Hz – 6mm
Stormwater, groundwater, wash water, and 60Hz – 6mm
sand-carrying water
Mouth Ring
Temperature: 0 to 40oC Made of high-chromium cast iron, excellent in
abrasion-resistance
Discharge Bore & Connection
100mm, JIS 10kg/cm2 Screwed Flange Cable Entry with Anti-Wicking Block
Watertight cable entry with strain-relief device. The anti-
Motor Output wicking block prevents water incursion due to capillary
30kW action should the power cable be damaged or the end
submerged.
Power Supply
Three-phase Bearing
Permanently lubricated, deep-groove, double-shielded
Starting Method C3 ball bearings
Star-Delta
Shaft
Motor 420 stainless steel
Continuous-duty rated, dry-type induction motor
Shaft Seal (Mechanical Seal)
Insulation Class: F Furnished with a double-face mechanical seal located in
Degree of Protection: IP68 oil chamber. Both upper and lower seal faces always run
in a clean environment.
No. of Poles & Speed (Synchronous Speed)
2-pole, 3000/3600min-1 (50/60Hz) Upper Seal Face: SiC + SiC
Lower Seal Face: SiC + SiC
Power Supply Voltages & Rated Currents
50Hz 60Hz Pressure Relief Port
380V – 58A 220V – 99A Protects the mechanical seal from over rated limits, and
400V – 55A 380V – 57A also protects the seal faces from abrasive particles by
415V – 55A 440V – 50A drawing particles away.

Power Cable OIL LIFTER (Patented)


Sheath: Chloroprene rubber Equipped in oil chamber. It forcibly supplies lubricating
Standard Length: 10m oil to the mechanical seal and continues to supply the oil
200 to 600V supply: to the upper seal faces even if lubricant falls below the

( )
6 x 22mm2 rated volume.
1 x 1 x 14mm2 O.D. 38.8mm
2 x 2mm2 Type of Lubricating Oil & Volume
Turbine Oil (ISO VG32), 6900ml
Dry Weight (excluding cable)
355kg Motor Protection Device
A miniature thermal protector is embedded in each
winding of the motor. Should excessive heat builds up,
the bimetal strip opens to cause the control panel to shut
the power supply.

Galvanic Anode
Protects the pump from electric corrosion, made of
aluminium alloy

000

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