Pulsation damper

Dosing with confidence despite large pressure fluctuations

The typical acceleration and deceleration of the media conveyed by dosing pumps can lead to considerable malfunctions if this characteristic is not observed. On the suction side, excessive acceleration can lead to cavitation and thus to the suction flow breaking off. On the delivery side, very high forces can occur with long pipes, which can damage the dosing pump. In addition, harmful vibrations can occur in the pipework system, which can also lead to damage. Unpleasant noise may occur. Flow meters require a relatively even flow for proper functioning. Variable area flow meters cannot be used on the pressure side of dosing pumps without further precautions because the float would move up and down violently.

Pulsation damper PDS

• Hose pulsation dampener
• Storage volume 80 - 7500 ml
• Dosing pump stroke volume 15 - 1200 ml/stroke
• Hose as separating diaphragm
• Compressed air as damping gas cushion
• Integration into the pressure line possible

Pulsation damper PDM/PDP

• Diaphragm pulsation damper
• Storage volume 180 - 5600 ml
• Dosing pump stroke volume 24 - 900 ml/stroke
• Can be integrated into the pressure line via a T-piece
• Also for chemically aggressive media (PTFE diaphragm)
• Nitrogen filling as a damping gas cushion
• Preset precharge pressure
• Pressure gauge (optional)
• ATEX-compliant