Xylem Lowara Scuba Series Manual

Xylem Lowara Scuba Series Manual

Close-coupled submersible electric pumps
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50 Hz
SCUBA
Series
CLOSE-COUPLED SUBMERSIBLE ELECTRIC PUMPS
Cod. 191005661 Rev. A Ed.06/2017

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Summary of Contents for Xylem Lowara Scuba Series

  • Page 1 50 Hz SCUBA Series CLOSE-COUPLED SUBMERSIBLE ELECTRIC PUMPS Cod. 191005661 Rev. A Ed.06/2017...
  • Page 3 CONTENTS Specifications........................... Identification code and rating plate....................Hydraulic performance range....................... Dimensions and weights......................Motor - control panel combination table................Technical appendix........................
  • Page 4 SCUBA SERIES HYDRAULIC PERFORMANCE RANGE AT 50 Hz Q [Imp gpm] Q [US gpm] Q [m Q [l/min] 22,1 27,7 38,7 44,3 55,3 60,9 71,9 77,5 88,5 94,1 105,1 110,7 121,7 127,3...
  • Page 5: Specifications

    Close-coupled ARKET SECTORS RESIDENTIAL, AGRICULTURE, INDUSTRY. submersible electric pumps APPLICATIONS • Water supply from primary water supply tanks or SCUBA Series reservoirs, 6” wells, basins and watercourses. • Sprinkler irrigation systems. • Pressure boosting with pump directly inserted in tank or well, to avoid suction problems and noise. •...
  • Page 6 SCUBA SERIES PUMP SECTION AND LIST OF MAIN COMPONENTS...
  • Page 7 SCUBA SERIES TABLE OF MATERIALS REFERENCE STANDARD REFERENCE STANDARD REFERENCE STANDARD REFERENCE STANDARD N° N° NAME NAME MATERIAL MATERIAL N° N° NAME NAME MATERIAL MATERIAL EUROPE EUROPE EUROPE EUROPE 1 Sleeve with head Stainless steel EN 10088-1-X5CrNi18-10 (1.4301) AISI 304 2 Diffuser Stainless steel EN 10088-1-X5CrNi18-10 (1.4301)
  • Page 8: Identification Codes

    SCUBA SERIES IDENTIFICATION CODES S C 2 0 7 T C G L Name Cable [SC] = SCUBA Series [L27] = 20 m cable H07 Flow rate Float [2] = 2 m [Null] = without float [4] = 4 m = with float Capacitor Motor power...
  • Page 9 SCUBA SERIES HYDRAULIC PERFORMANCE RANGE AT 50 Hz SC2 - SC4 ISO 9906:2012 - Grade 3B ∼ 2850 [rpm] Q [Imp gpm] Q [US gpm] Q [m Q [l/min] 90 100...
  • Page 10 SCUBA SERIES DIMENSIONI E PESI SERIE SCUBA SC2-SC4 2poli 50 Hz DIMENSIONS AND WEIGHTS AT 50 Hz PUMP TYPE DIMENSIONS WEIGHT N° SINGLE- THREE- PHASE PHASE STAGES SC205C SC205T 13,5 SC207C SC207T SC209C SC209T SC211C SC211T SC407C SC407T 14,5 SC409C SC409T 15,5 SC411C...
  • Page 11 SCUBA SERIES OPERATING CHARACTERISTICS AT 50 Hz SC2 - SC4 ~ 2850 [rpm] ISO 9906:2012 - Grade 3B Q [Imp gpm] Q [US gpm] SC211 SC209 SC207 SC205 SC411 SC409 SC407 η η η η η η η η Q [m Q [l/min] These performances are valid for liquids with density ρ...
  • Page 12 SCUBA SERIES PUMP - PANEL COMBINATION TABLE RATED PANEL TYPE PUMP TYPE ABSORBED CAPACITOR POWER CURRENT* THREE-PHASE 380-415 V µF / 450 V QTD/… Q3D/… SC205T 0,55 0,75 1,62 …11 …05 SC207T 0,75 2,38 …11 …11 SC209T 2,54 …15 …11 SC211T 2,70 …15...
  • Page 13 TECHNICAL APPENDIX...
  • Page 14 SUBMERSIBLE ELECTRIC PUMP INSTALLATION DIAGRAM 1 - Submersible electric pump. 2 - Cable clamp. 3 - Level sensors for protection against dry running. 4 - Non-return valve. 5 - Support bracket. 6 - Delivery pipe. 7 - Electrical cable for motor power.
  • Page 15 EXAMPLE OF INSTALLATION OF A SUBMERSIBLE ELECTRIC PUMP CONTROLLED BY AN INVERTER 1 - Submersible electric pump. 2 - Cable clamp. 3 - Level sensors for protection against dry running. 4 - Non-return valve. 5 - Support bracket. 6 - Delivery pipe. 7 - Electrical cable for motor power.
  • Page 16 SCUBA, 50 Hz: SIZING OF ETHYLENE-PROPILENE     (EPR) CABLES, DOL (DIRECT ON LINE) STARTING       ϕ ϕ ϕ ϕ              ...
  • Page 17 CALCULATING THE SPEED OF THE FLUID THAT FLOWS AROUND A SUBMERGED MOTOR AND SIZING OF THE COOLING SLEEVE The following formula is used to verify whether the speed of the fluid that flows around the motor of a submersible pump is high enough to guarantee the proper cooling of the motor: π...
  • Page 18 TECHNICAL APPENDIX ASYNCHRONOUS MOTOR STARTING SYSTEMS ASYNCHRONOUS MOTOR STARTING SYSTEMS Direct Autotransformer Suitable for low-power motors. The pump is started with a voltage which is lower Direct Autotransformer The starting current (Is) is much higher than the than the rated one. Suitable for low-power motors.
  • Page 19 WATER REQUIREMENTS IN CIVIL USERS Determination of the water requirement depends on the type of users and contemporaneity factor. The calculation may be subject to regulations, standards or customs that may vary from country to country. TECHNICAL APPENDIX The calculation method shown below is an example based on practical experience, designed to provide a reference value and not a substitute for detailed analytical calculation.
  • Page 20 TECHNICAL APPENDIX TABLE OF WATER REQUIREMENTS IN CIVIL USERS TABLE OF WATER REQUIREMENTS IN CIVIL USERS WITH FLUSH TANK WC WITH CONTROLLED FLUSHING SYSTEM WC NUMBER OF APARTMENTS FLOW RATE (l/min) 1056 1114 For seaside resorts, a flow rate increased by at least 20% must be considered. G-at-fi_a_th TECHNICAL APPENDIX...
  • Page 21 APPENDICE TECNICA WATER REQUIREMENTS FOR COMMUNITY BUILDINGS FABBISOGNI IDRICI NELLE COMUNITÀ The requirements of buildings intended for specific uses, such as offices, residential units, hotels, department stores, nursing homes and so on, are different from those of condominiums, and both their Per gli edifici adibiti a uso specifico quali uffici, residence, alberghi, grandi magazzini, case di global daily water consumption and the maximum contemporaneity flow rate are usually greater.
  • Page 22 NPSH The minimum operating values that can be reached The maximum possible suction head for installation at the pump suction end are limited by the onset of depends on the value of the atmospheric pressure cavitation. (i.e. the elevation above sea level at which the pump is installed) and the temperature of the liquid.
  • Page 23 TECHNICAL APPENDIX TECHNICAL APPENDIX VAPOUR PRESSURE PS VAPOUR TECHNICAL APPENDIX VAPOUR PRESSURE PRESSURE AND ρ DENSITY OF WATER TABLE VAPOUR PRESSURE ps AND ρ DENSITY OF WATER TABLE ρ ρ ρ °C °C °C kg/dm kg/dm kg/dm 273,15 0,00611 0,9998 328,15 0,15741 0,9857...
  • Page 24 TECHNICAL APPENDIX TABLE OF FLOW RESISTANCE IN 100 m OF STRAIGHT CAST TABLE OF FLOW RESISTANCE IN 100 m OF IRON PIPELINE (HAZEN-WILLIAMS FORMULA C=100) STRAIGHT CAST IRON PIPELINE (HAZEN-WILLIAMS FORMULA C=100) FLOW RATE NOMINAL DIAMETER in mm and INCHES l/min 1/2"...
  • Page 25 TECHNICAL APPENDIX FLOW RESISTANCE FLOW RESISTANCE TABLE OF FLOW RESISTANCE IN BENDS, VALVES AND GATES TABLE OF FLOW RESISTANCE IN BENDS, VALVES AND GATES The flow resistance is calculated using the equivalent pipeline length method according to the table below: The flow resistance is calculated using the equivalent pipeline length method according to the table below: ACCESSORY TYPE...
  • Page 26 VOLUMETRIC CAPACITY Litres Cubic metres Cubic feet Cubic feet Imperial gallon U.S. gallon per minute per hour per hour per minute per minute per minute l/min Imp. gal/min US gal/min /min 1,0000 0,0600 2,1189 0,0353 0,2200 0,2642 16,6667 1,0000 35,3147 0,5886 3,6662 4,4029...
  • Page 27 FURTHER PRODUCT SELECTION AND DOCUMENTATION Xylect Xylect is pump solution selection software with an extensive online database of product information across the entire Lowara, and Vogel range of pumps and related products, with multiple search options and helpful project management facilities. The system holds up-to-date product information on thousands of products and accessories.
  • Page 28 FURTHER PRODUCT SELECTION AND DOCUMENTATION Xylect The detailed output makes it easy to select the optimal pump from the given alternatives. The best way to work with Xylect is to create a personal account. This makes it possible to: • Set own standard units •...
  • Page 32 With its October 2016 acquisition of Sensus, Xylem added smart metering, network technologies and advanced data analytics for water, gas and electric utilities to its portfolio of solutions. In more than 150 countries,...

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