New Surge Dampeners Minimize Vibration and Control Pipe Hammer

Press Release Summary:

  • Available in 25 mm, 38 mm and 51 mm sizes
  • Designed with bolted construction, PTFE and buna backed
  • Ideal solution for paint, coatings, chemical, oil and gas

Original Press Release:

Wilden® Releases New Equalizer® Surge Dampeners - Integrated SD Series (ISD) Available in Metal

Grand Terrace, CA – April 21, 2021 Wilden®, part of PSG®, a Dover company and a worldwide leader in specialty pumps, is pleased to announce the availability of its new Equalizer® Surge Dampeners – Integrated SD Series (ISD) bolted metal option, which helps minimize vibration and control pipe hammer to protect the system piping and downstream instrumentation.

Wilden ISD Series dampeners are installed at the pump’s discharge and have been specifically engineered to reduce fluid pressure and flow fluctuations for a smoother discharge flow. This function not only protects system equipment, but also helps extend the life, decrease the noise and increase the efficiency of Wilden air-operated double-diaphragm (AODD) pumps.

The new ISD Series stainless steel metal dampeners are available in 25 mm (1″), 38 mm (1-1/2″) and 51 mm (2″) sizes. The bolted-construction design and PTFE, Buna backed, integral piston diaphragms offer maximum process fluid containment. This makes them an ideal solution for a wide range of applications, including, but not limited to, oil and gas, paint and coatings, and chemical.

For more information about Wilden and its line of surge dampeners, please visit Wilden is a product brand within PSG, a Dover company. For more information on PSG, please visit

About Wilden® Pump:

Jim Wilden revolutionized the pumping industry when he invented the air-operated double-diaphragm (AODD) pump in 1955. Since that time, Wilden Pump has been at the forefront of bringing AODD technology into the future by building its extensive infrastructure, knowledge base and intellectual capital. Wilden offers a comprehensive line of safe, reliable and energy-efficient AODD pumps – including the Pro-Flo® SHIFT Series, Pro-Flo Series and Specialty Series – for critical pumping applications in the general industrial, paints and coatings, oil and gas, chemical process, water and wastewater, hygienic, mining, ceramics, and military and marine markets. Additionally, Wilden offers the largest selection of AODD diaphragms in the world to ensure your unique application demands are fully met. Headquartered in Grand Terrace, CA, USA, Wilden is part of PSG®, a Dover company. To learn more about Wilden, please visit

About PSG®

PSG® is a global pump solution expert and leading manufacturer of pumps, systems and related flow-control technology for the safe and efficient transfer of critical and valuable fluids and materials. Headquartered in Oakbrook Terrace, IL, USA, PSG is comprised of several world-class brands, including Abaque™, All-Flo, Almatec®, Blackmer®, Ebsray®, em-tec, EnviroGear®, Griswold®, Hydro Systems, Mouvex®, Neptune™, Quattroflow™, RedScrew™ and Wilden®. PSG products are manufactured on three continents – North America, Europe and Asia – in state-of-the-art facilities that practice lean manufacturing and are ISO-certified. PSG is part of the Fluids segment of Dover Corporation. For additional information on PSG, please visit PSG: Where Innovation Flows.

Marketing Contact:
Christine Nunez
Marketing Communications Manager

Media Contact:
Darren Wight
VP Media & Publicity
DeanHouston (agency for PSG®)

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