Mercy Pump

Many people in Africa have little or no access to healthcare. As a result, many children, teens and adults suffer and die every day from curable or treatable causes. For nearly forty years, Mercy Ships has delivered free services valued at more than $1 billion—directly impacting more than 2.5 million children and families. As a state-of-the-art hospital ship, the Africa Mercy brings volunteer medical teams and sterile operating rooms directly to people who would otherwise go without care.


Wilden®, part of PSG®, a Dover company and a worldwide leader in air-operated double-diaphragm (AODD) pump technology, recently donated a new AODD pump to Mercy Ships for transferring blackwater onboard the hospital ship Africa Mercy, the largest civilian hospital ship in the world. Founded in 1978, Mercy Ships is a global charitable organization that operates a fleet of hospital ships specially designed for use in developing nations.

“At Wilden, we are passionately committed to making a difference in people’s lives,” says Erik Solfelt, diaphragm pump product manager for Wilden. “We’re thrilled to participate in important programs, such as Mercy Ships, and are extremely happy that our pumps have the ability to help improve the health of those in need. We look forward to continuing to help Mercy Ships for many years to come.”

Mercy Ships


Specifically, Wilden donated a PS8 Original™ 2-inch metal AODD pump to Mercy Ships. This high performance pump features the reliability and energy savings of the Pro-Flo SHIFT® Air Distribution System (ADS) while its clamped configuration allows for easier maintenance, diaphragm replacement and cleaning. PS8 Original pumps are shear sensitive and intrinsically safe with self-priming and dry-run capabilities, and offer the longest mean time between repair (MTBR), superior anti-freezing, and increased on/off reliability.

The Wilden PS8 provides 60 percent savings in air consumption, more yield per SCFM, precisely metered air consumption for less product waste. Available Pro-Flo SHIFT center section materials are aluminum, nickel-plated aluminum, stainless steel, and polypropylene.

About the Author

Christine Nunez is marketing communications manager for PSG. Since 1955, Wilden AODD pumps have proven to be trustworthy solutions to pumping applications in a variety of industries. Wilden pumps are part of PSG®, a Dover company, and manufactured in Grand Terrace, California. For more information about Wilden, visit For more information on PSG, please visit

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