Series Parallel Pumps
Product Code : EL-FMLE-10680
QUICK ANSWER: The Series Parallel Pumps Module is a closed water-circuit unit built around two centrifugal pumps with drive motors – one with a variable speed (0…3300min-1) set by a frequency converter and one with a fixed speed (approx. 2800min-1) that can be added into the system – used to investigate how pumps behave when run singly, in series or in parallel. Valves let the operator switch easily between single-pump, series and parallel operation and adjust the flow resistance at the pump outlet, while transparent impeller housings let students observe the pumps in operation; in series operation the heads of the pumps add together, while in parallel operation their flow rates (capacities) add together, and the unit determines the characteristic behaviour for both single-pump operation and the interaction of the two pumps. Integrated microprocessor-based instrumentation (with sensors for inlet and outlet pressure and flow rate) removes the need for additional error-prone wiring, and dedicated software displays and evaluates the measured values and operates the unit, with each pump rated at 370W, a maximum flow rate of 40L/min and a maximum head of 10m, on a 230V, 50Hz, 1-phase supply.
The Series Parallel Pumps Module features a closed water circuit with a water tank and two centrifugal pumps with drive motors; the speed of one motor is variably adjustable by a frequency converter, while the other pump is fitted with a motor with fixed speed and can be added to the system. The impellers of both pumps are mounted in transparent housings and can be observed during operation, and valves enable easy switching between single-pump, series or parallel pump operation; the system behaviour is analysed with the aid of a valve at the outlet of the pump, which adjusts the flow resistance. In complex systems, pumps can be connected in series or in parallel: in serial operation the heads of the pumps are added, and in parallel operation the flow rates (capacities) of the pumps are added. The experimental unit provides the determination of the characteristic behaviour for single operation and for the interaction of two pumps.
FEATURES:
Investigation and operating behavior of pumps in various operating modes
Single pump, series or parallel pump operation, configurable via valves
Closed water circuit contains centrifugal pumps with drive motor and a transparent water tank
One pump with variable speed and one pump with fixed speed
Due to integrated microprocessor-based instrumentation no additional devices with error-prone wiring are required
Display and evaluation of the measured values as well as operation of the unit via software
Adjustment of flow resistance by a valve at outlet of the pump
Sensors for pressure at inlet and outlet of the pumps and flow rate
SPECIFICATION:
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 (outlet): 2x 0…5bar
Pressure (inlet): ±1bar
Flow rate: 10…140L/min
230V, 50Hz, 1 phase
DIMENSIONS AND WEIGHT:
L x W x H: 800 x 600 x 600 mm
Weight: 90kg
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Last Updated: September 2026Related Products: Centrifugal Pump Test Bed, Gear Pump Demonstration Unit, Plunger Pump Demonstration Unit, Multi Pump Test Rig
