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Positive Displacement (PD) pumps create pulsation

Pulsation Control Dampener

Positive Displacement (PD) pumps create pulsation and hydraulic shock due to the reciprocating nature of their stroking action, potentially damaging the entire pumping system. Pulsation Dampeners remove hydraulic shock and reduce the pressure and flow fluctuations. This enhances the all-around performance and reliability of fluid handling equipment in industrial, chemical transfer, and precision metering applications.

Increase productivity, safety, reliability and efficiency & Decrease maintenance and operating costs.


How it Works

The nitrogen gas pre-charged bladder inside the Pulse-Stop dampens the pressure pulsations created by the reciprocating action of the pumps.


FEC Pulsation Dampeners are specially designed for use with high pressure reciprocating piston and plunger pump systems.


  • Increase pump efficiency
  • Reduction in pump downtime
  • Reduction in noise and vibration
  • Reduction in costly damage to the system components


A properly selected pulsation dampener installed at the discharge side of the pump can both reduce the dampening pulsations and enhance the pump’s efficiency and service life.

Design & Size

Operating Pressure up to 3000 PSI Replaceable Bladder (in minutes) Constructed of carbon steel and internally coated to resist corrosion. The port assembly is of stainless steel 300 series construction.


  • Chemical Process
  • Pulp, Paper and Textile
  • Gas, Oil, and Petrochemical
  • Biotech/Pharmaceutical
  • Paint and Coating
  • Food and Beverage
  • Consumer Products
  • Water Treatment