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RD-Series Water Hammer Arrestors

Eliminate Water Hammer Conditions Effectively and Reliably

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Pulsation mitigation experts – for over five decades

CoorsTek engineers thoroughly understand the causes of water hammer conditions and how to effectively, efficiently, and reliably mitigate this problem to extend the life of valves, meters, control instrumentation, and gauges.

“Water Hammer” occurs when moving fluid reverses due to a quick closing valve or sudden pump shutdown. The fluid is forced to stop forward motion and reverse direction — creating a powerful and destructive propagating wave within your piping system.

Severe-duty Materials

CoorsTek is known as a materials expert and we utilize this strength to ensure reliable performance. Our standard RD-Series pulsation arrestors are constructed with resilient carbon steel. For exceptionally hostile environments, CoorsTek offers exotic materials to accommodate your individual fluid handling scenario.

Extremely Versatile

RD-Series Arrestors may be mounted within virtually any pipeline or facility configuration. Other benefits include:

  • Reduces operating costs
  • Extends life for valves, piping, meters, control instrumentation, and gauges
  • Virtually eliminates destructive “fluid pound” to weld connections, and support structures

Combines Proven Technologies

CoorsTek combined two widely excepted dampener technologies, spherical and appendage, into one extremely capable pulsation arrestor isolating and mitigating fluid pound for applicable industries. This patented and proven technology:

  • Attenuates water hammer, fluid surge to manageable levels
  • Performs with minimal pressure drop across the unit
  • Can be ASME U stamped and certified upon request

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