LH_LH-W_LH-D_IB106-D

LH_LH-W_LH-D_IB106-D
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LH_LH-W_LH-D_IB106-D

Product catalog summary
Overview: The Tsurumi LH/LH-W series are submersible high head drainage pumps designed for heavy-duty applications, with motor outputs from 3 to 110 kW and a maximum head of 230 meters. They are ideal for civil engineering, construction, and large-scale projects like tunnel and dam construction, especially in confined spaces.

Specifications: The LH-D series features a 2-pole 110 kW/185 kW motor and double suction impeller for high volume and high head performance, suitable for mining and tunneling. Constructed with high-chromium cast iron, they include seal pressure relief ports for mechanical seal protection.

Technological Features: Tsurumi pumps incorporate advanced technologies such as anti-wicking cable, motor protectors, dual inside mechanical seals with silicon carbide faces, and an Oil Lifter for enhanced reliability. Optional seawater-resistant and stainless steel versions are available.

Applications: Suitable for handling corrosive fluids in mining and quarries, high-temperature liquids up to 80°C, and high voltage applications up to 1000V. Designed for continuous operation at low water levels.

Design and Performance: The LH series features a single impeller design, while the LH-W series includes dual impellers for extra high head. The LH-D series uses a double suction impeller for high volume applications. They are designed for easy installation in well casings with a top discharge, flow-thru design for efficient motor cooling.

Additional Features: Include leakage sensors, galvanic anodes for corrosion protection, and grease inlet/outlet plugs for easy maintenance. Tandem operation is possible for increased head performance.

Precautions: Proper model selection, piping, and installation procedures should be followed, with consultation from Tsurumi distributors recommended for optimal performance.

Installation and Lifting Procedures: Correct installation and lifting procedures are outlined to ensure the allowable load is not exceeded. The pump in the lower stage should be installed at the bottom of the vertical hole unless special measures are taken. Pumps of different models should not be connected in series.

Tandem Operation: Involves connecting two pumps of the same model in series to achieve double pump head at the same flow rate. This method is beneficial at construction sites requiring higher pump heads. The LH and LH-W series feature a center flange construction for alignment, allowing for higher pump head without compromising the slim design.

Specifications and Performance: Detailed specifications for various pump models include motor output, maximum head in tandem, dimensions, allowable load on eyebolts, and dry weight. Performance curves illustrate total head versus capacity for different models.

Applications: Recommended for deep well dewatering, particularly in worksites dealing with groundwater issues. Their slim body, high head performance, and pressure-resistant construction make them suitable for excavated pits requiring deeper, narrower wells.
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Catalog excerpts

LH_LH-W_LH-D_IB106-D-1

SUBMERSIBLE HIGH HEAD DRAINAGE PUMPS

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LH_LH-W_LH-D_IB106-D-2

Submersible High Head Drainage Pumps Tsurumi LH/LH-W series pumps are submersible heavy-duty pumps specialized for high head. These pumps are available in a wide lineup, offering 3 to 110 kW motor output and 18 to 230 m maximum head. The LH/LH-W series has played an active role in various fields, from small/medium-scale civil engineering and construction work that requires high reliability, to large-scale projects for constructing tunnels, bridges and dams. And, because of their slim body, these pumps have proven to be particularly useful for deep well dewatering and mine pit drainage where required...

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LH_LH-W_LH-D_IB106-D-3

With over 95 years of history, the Tsurumi Pump Brand continues to receive MaJOf Applications worldwide support with its superior quality, exceptional durability and solid reliability.

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LH_LH-W_LH-D_IB106-D-4

□ Seawater-Resistant Version Tsurumi's pumps can be combined with a seawater-resistant kit (optional) that adds a “galvanic anode” and “seawater-resistant special cast iron impeller,” and enables about two years of service. (The service period depends on operating conditions.) For details, refer to the Seawater-Resistant Pumps catalog [IB115]. Selection Table Motor Output (kW) ★ : Tandem operation model: Same model pumps are connected in series, to deliver higher head. □ High Temperature Liquids Version Tsurumi's pumps are applicable to high temperature liquids of up to 80°C. Pumps of the standard...

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LH_LH-W_LH-D_IB106-D-5

Top Discharge, Flow-thru Design This design provides maximum motor cooling efficiency allowing continuous operation at low water levels and extended dry-run capability, and also allows the shape of the pump to be cylindrical and slim for installation in a well casing for deep well dewatering. (Single Impeller) (Dual Impellers) 11 1 Anti-wicking Cable Entry Prevents water incursion due to capillary action should the cable sheath be damaged or the end of cable submerged. Also prevents moist air from infiltrating the motor housing and condensation from forming inside the housing due to temperature...

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LH_LH-W_LH-D_IB106-D-6

Performance Curves < 80-100mm > The LH-series is a submersible three-phase cast iron high head drainage pump. Being the pump cylindrical and slim, it can be installed in a well casing for deep well dewatering. The center flange construction assures a stable installation even if it is fixed by the discharge pipe. The top discharge, flow-thru design provides maximum motor cooling efficiency allowing continuous operation at low water levels and extended dry-run capability. The pump incorporates seal pressure relief ports that prevent the pumping pressure from applying to the shaft seal.*

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LH_LH-W_LH-D_IB106-D-7

LH-W -Dual Impellers- Performance Curves< 3-30kW > The LH-W-series is a submersible three-phase cast iron extra high head drainage pump having dual impellers. Being the pump cylindrical and slim, it can be installed in a well casing for deep well dewatering. The center flange construction assures a stable installation even if it is fixed by the discharge pipe.*1 The top discharge, flow-thru design provides maximum motor cooling efficiency allowing continuous operation at low water levels and extended dry-run capability. The pump incorporates seal pressure relief ports that prevent the pumping...

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LH_LH-W_LH-D_IB106-D-8

LH-D -Double Suction Impeller- Performance Curves The LH-D-series are submersible pumps with 2-pole 110/185 kW motors, on which a double suction impeller is mounted to deliver assured performance in high volume, high head applications. These pumps were developed based on Tsurumi's LH-series that has built a long-standing name and reputation as a quality line of submersible high head drainage pumps in the mining and construction fields. With a max. capacity of 14 m3/min and max. head of 92 m, the LH10110D and LH12185D meet the needs of open-pit/underground mining, heap leaching and large-scale...

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LH_LH-W_LH-D_IB106-D-9

Tandem Operation “Tandem operation” is an operation method that connects two pumps of the same model in series. This provides double pump head at the same flow rate in comparison with that of a single pump. The principle of tandem operation is the same as that with multistage pumps. Lifting Chain or Wire Rope Precautions for Selection and Use For model selection, piping and installation procedure, be sure to consult Tsurumi distributors in advance. 1. If the required total head exceeds the maximum head of the pump without the intermediate connection pipe shown in the selection table, Discharge...

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LH_LH-W_LH-D_IB106-D-10

“Tandem operation” is an operation method that connects two pumps of the same model in series. This provides double pump head at the same flow rate in comparison with that of a single pump. The principle of tandem operation is the same as that with multistage pumps. The LH and LH-W series pumps adopt the center flange construction to align the discharge pipe with the cylindrical pump center axis*. Connecting the pumps in series with the tandem connector can provide higher pump head without affecting the advantage of the slim design. At construction sites, there are many cases where a higher pump...

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LH_LH-W_LH-D_IB106-D-11

Weights excluding cable *2 Star-Delta available upon request

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LH_LH-W_LH-D_IB106-D-12

C.W.L.: Continuous Running Water Level An excellent choice for deep well dewatering! Tsurumi LH/LH-W series of submersible pumps are an excellent choice for worksites where deep well dewatering is used to deal with groundwater issues. Their slim body, high head performance and pressure-resistant construction meet the seepage and drainage challengesof excavated pits that require deeper, narrower wells.

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LH_LH-W_LH-D_IB106-D-13

Tsurumi Pump We reserve the right to change the specifications and designs without prior notice. The OO series and model OO are indicated with our series/model codes in this catalog. Your Dealer TSURUMI MANUFACTURING CO., LTD.© 2021 TSURUMI MANUFACTURING CO., LTD. Printed in Japan IB106-D HB-X-E-Y

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.
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