Series and parallel configuration of pumps Demonstration of series, parallel and the individual operation of centrifugal pumps Features - characteristic behaviour of pumps during single pump operation, series or parallel configuration - closed water circuit - GUNT software for data acquisition, visualisation and operation - part of the GUNT Labline fluid energy machines Learning objectives/experiments - operating behaviour of centrifugal pumps -- single pump -- series configuration -- parallel configuration - recording of pump curves - determination of pump efficiencies - recording of system characteristic Specification [1] investigation and operating behaviour of pumps in various operating modes [2] single pump, series or parallel pump operation, configurable via valves [3] closed water circuit contains centrifugal pumps with drive motor and a transparent water tank [4] one pump with variable speed and one pump with fixed speed [5] adjustment of flow resistance by a valve at outlet of the pump [6] sensors for pressure at inlet and outlet of the pumps and flow rate [7] due to integrated microprocessor-based instrumentation no additional devices with error-prone wiring are required [8] display and evaluation of the measured values as well as operation of the unit via software [9] GUNT software with control functions and data acquisition via USB under Windows 10 Technical data Centrifugal pumps with motors - power consumption: 370W each Pump with variable speed: 0...3300min-1 - max. flow rate: 40L/min - max. head: 10m Pump with fixed speed: approx. 2800min-1 - max. flow rate: 40L/min - max. head: 10m Water tank: approx. 15L Measuring ranges - pressure (inlet): ±1bar - pressure (outlet): 2x 0...5bar - flow rate: 10...140L/min 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase; 120V, 60Hz, 1 phase UL/CSA optional LxWxH: 670x600x670mm Weight: approx. 62kg