Positive displacement pumps

Positive displacement pumps

In positive displacement pumps the energy is transferred to the fluid hydrostatically. In the hydrostatic transfer of energy a displacement body reduces a working chamber filled with fluid and pumps the fluid into the pipe.

Experiments with a piston pump

HM 285

Experiments with a piston pump

Record characteristics of a reciprocating positive displacement pump.

Experiments with a gear pump

HM 286

Experiments with a gear pump

Record characteristics of a rotary positive displacement pump.

Lobe pump

HM 365.16

Lobe pump

Lobe pumps are used for delivering highly viscous and highly abrasive media.

Reciprocating piston pump

HM 365.17

Reciprocating piston pump

The most simple type of reciprocating piston pump consists of a piston that moves in a cylinder with one inlet and one outlet valve.

Gear pump

HM 365.18

Gear pump

A gear pump is characterised by a steady flow rate.

Vane pump

HM 365.19

Vane pump

Vane pumps can be used both for liquid and gaseous media.

Screw pump

HM 365.21

Screw pump

Screw pumps are able to provide continuous delivery of even viscous media without pulsation or turbulence.

External gear pump

HM 365.22

External gear pump

The pumping medium is transported between the gears and the housing.

Vane pump

HM 365.23

Vane pump

Vane pumps can be used both for liquid and gaseous media.

Internal gear pump

HM 365.24

Internal gear pump

Operating behaviour of an internal gear pump.

Comparison of pumps

HM 362

Comparison of pumps

Investigate operating behaviour of centrifugal pumps, piston pump and side channel pump.

Comparison of positive displacement machines and turbomachines

HM 299

Comparison of positive displacement machines and turbomachines

Interchangeable driven machines: three pump types, two compressor types.

Multi-head diaphragm pump

CE 271

Multi-head diaphragm pump

Metering pump with three pump heads.

Rotary vane vacuum pump

CE 272

Rotary vane vacuum pump

Generation of negative pressure over time.

Multi-head diaphragm pump

CE 271

Multi-head diaphragm pump

Metering pump with three pump heads.

Rotary vane vacuum pump

CE 272

Rotary vane vacuum pump

Generation of negative pressure over time.

Assembly & maintenance exercise: screw pump

MT 182

Assembly & maintenance exercise: screw pump

Understanding design and function of the pump; planning and executing assembly, disassembly and maintenance.

Assembly & maintenance exercise: diaphragm pump

MT 183

Assembly & maintenance exercise: diaphragm pump

Understanding design and function of the pump; planning and executing assembly, disassembly and maintenance.

Assembly & maintenance exercise: piston pump

MT 184

Assembly & maintenance exercise: piston pump

Understanding design and function of the pump; planning and executing assembly, disassembly and maintenance.

Assembly & maintenance exercise: gear pump

MT 186

Assembly & maintenance exercise: gear pump

Understanding design and function of the pump; planning and executing assembly, disassembly and maintenance.

Assembly exercise: gear pump

MT 136

Assembly exercise: gear pump

Design and function of a gear pump; planning, assembly and disassembly.

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