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Vertical Multistage Pumps 50 Hz. - 80 Pages

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Vertical Multistage Pumps 50 Hz.

Catalog excerpts

DATA BOOKLET Vertical multistage centrifugal pumps Pumps • Motors Pumping Solution

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Plant - 1 Plant - 2 Plant - 3

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Management Service of TUV SUD Management Service GmbH Trading as TUV SUD South Asia Private Limited certifies that LUBI SUBMERStBLES LIMITED A - 2 LUBI INDUSTRIAL PARK, KHATRAJ ROAD, VADSAR, KALOL - 382 721, GUJARAT, INDIA a Quality Management System for Design, Manufacturing and Sales of Stainless Steel Fabricated Submersibles Pumpsets and Horizontal and Vertical Multistage Centrifugal Pumpsets An audit was performed. Report No. 70002560 Proof has been furnished that the requirements arc fulfilled. The certificate is valid until 2010-03-14 rOV SL)D ManHgEintfriL Sbdruty GmbH *...

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Declaration of Conformity We Lubi Submersibles Limited declare under our sole responsibility that the products LCR, LCRI and LCRN to which this declaration relates, are in conformity with the Council Directives on the approximation of the laws of the EC Member States relating to: - Electrical equipment designed for use within certain voltage limits (73/23/EEC) [95] - Standards used: EN 60335-1 and EN 60335-2-51 - Machinery (98/37/EC) - Standard used: EN ISO 12100 - Electromagnetic compatibility (89/336/EEC) - Standards used: EN 61000-6-2 and EN 61000-6-3 Nosotros Lubi Sumergibles Limitada...

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Vertical multistage centrifugal pumps Product Data Performance range - LCR, LCRI, LCRN Minimum cost of ownership Product range Ambient temperature Pipework connection Counter flanges for LCRN Type keys Operating and inlet pressures Maximum operating pressure and temperature range 9 Operating range of the shaft seal 9 Maximum inlet pressure 10 Minimum inlet pressure 13 How to read the curve charts 14 Guidelines to performance curves 14 Pumped liquids Motor data Standard motors for LCR, LCRI, LCRN - 50 Hz 16 Performance curves/technical data

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Product data Vertical multistage centrifugal pumps This data booklet deals with LCR.LCRI and LCRN pumps. LCR, LCRI and LCRN pumps are vertical multistage centri- fugal pumps. The vertical in-line design enables the pump to be installed in a horizontal plane single system where the suction and discharge connections are in the same horizontal plane and have the same pipe sizes. This design provides a more compact pump design saving space and easy pipework. Lubi LCR pumps come with various sizes and various numbers of stages to provide the flow and the pressure for different site conditions....

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Product data Vertical multistage centrifugal pumps Minimum cost of ownership The initial cost of purchasing a pump is fraction of the total cost of owning and operating a pump over its entire life span. Energy cost + Maintenance cost contribute to a 95% of the total cost of ownership and out of this 89% is energy cost. This is where Lubi LCR pump can make a difference against other pumps. When pumps are running round the clock even a 10% increase in pump efficiency will quickly transform into significant saving in energy cost month after month over the entire lift span of the pump....

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Product data Vertical multistage centrifugal pumps Product range Recommended version. Alternative version.

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Product data Vertical multistage centrifugal pumps Product range Recommended version. Alternative version.

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Product data Vertical multistage centrifugal pumps The LCR pumps are non-self-priming, vertical multistage centrifugal pumps. The pump consists of a base and a pump head. The chamber stack and the outer sleeve are secured between the pump head and the base by means of tiebolts. The base has suction and discharge connections on the same level (in-line). All pumps are equipped with a maintenance-free mechanical shaft seal of the cartridge type as standard. Shaft seal (cartridge type) Outer sleeve Pump head LCR, LCRI and LCRN pumps are fitted with a totally enclosed, fan-cooled, 2-pole motor...

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Vertical multistage centrifugal pumps Sectional drawing Pump Head Outer sleeve outer sleeve Neck ring Shaft seal Rubber parts Cast iron Stainless steel Stainless steel Stainless steel Stainless steel Cast iron Sectional drawing Materials : LCRI, LCRN Pump head Pump head Neck ring Shaft seal Base plate Rubber parts Cast iron Stainless steel Stainless steel Stainless steel Cartridge type Cast iron Outer sleeve outer sleeve Stainless steel Stainless steel Stainless steel Outer sleeve outer sleeve Stainless steel Stainless steel Stainless steel

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Vertical multistage centrifugal pumps Sectional drawing Pump head Motor stool Outre sleeve outer sleeve Neck ring Shaft seal Bearing ring bearing ring Rubber parts Cast iron Cast iron Stainless steel Stainless steel Stainless steel Stainless steel Cast iron graphite filled Sectional drawing Materials : LCRN Pump head Motor stool Outer sleeve outer sleeve Neck ring Shaft seal Bearing ring bearing ring Base plate Rubber parts Stainless steel Cast iron Stainless steel Stainless steel Stainless steel Stainless steel Stainless steel graphite filled graphite filled Cast iron

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Vertical multistage centrifugal pumps Type keys Type range: All impellers with reduced Number of reduced diameter Code for pipe connection Code for rubber parts Code for shaft seal Pipe connection N Change diameter of ports Basic version Carbon-graphite filled PTFE All parts stainless steel, Bronze (bearings) Special version _ Code for rubber parts Shaft seal H Balanced cartridge seal Silicon carbide Tungsten carbide

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Operating and inlet pressures Vertical multistage centrifugal pumps Maximum operating pressure and temperature range Operating range of the shaft seal The operating range of the shaft seal depends on operating pressure, pump type, type of shaft seal and liquid temperature. The following curves apply to clean water and water with anti-freeze liquids. Fig. 5 Operating range of standard shaft seals

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Operating and inlet pressures Vertical multistage centrifugal pumps Maximum inlet pressure The following table shows the maximum permissible inlet pressure. However the current inlet pressure + the pressure against a closed valve must always be lower than the maximum permissible operating pressure. If the maximum permissible operating pressure is exceeded, the conical bearing in the motor may be damaged and the life of the shaft seal reduced. Examples of operating and inlet pressures The values for operating and inlet pressures shown in the table must not be considered individually but must...

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