News

How To Select Diaphragms For AODD Pumps

By Rob Jack Selection of the right diaphragm for an air-operated double-diaphragm (AODD) pump is a critical consideration for safety, efficiency and trouble-free operations. A number of factors must be taken into account when choosing the proper diaphragm that will be suitable for a specific application. Previous experience is...

Teamwork On Display In Meeting Strict Delivery Date For New Customer

In September 2014, Wilden® distributor El Paso – Phoenix Pumps, Inc., was successful in obtaining an order for six Model XPS1500/SSAAA/TWS/TF/STF Air-Operated Double-Diaphragm (AODD) Pumps from a food processor that had been loyal to the Graco brand for many years. Shortly after order entry, a parts issue was discovered...

The Arrival of Diaphragm Pumps as Mainstream Process Pumps

By Wallace Witkoff In the evolution of pumps, the air-operated diaphragm pump is a more recent technology, if you consider 60 years since its invention recent. This compares with the lobe, centrifugal and gear technologies that were developed more than 100 years ago. Speaking of recent diaphragm-pump developments, the...

The Benefits of Full-Stroke Integral Piston Diaphragms

By Rob Jack The heart of the air-operated double-diaphragm (AODD) pump is its diaphragms. They must be flexible enough to handle millions of pumping cycles without failing and be compatible with any number of different liquids or particulate-laden slurries. When used in hygienic-manufacturing operations, such as food/beverage, personal care...

AODD Pumps Can Provide Flexibility for Multiple Mining Operations

This technology can tackle basic dewatering applications and precise electrowinning processes. By Greg Duncan The early stages of mine development—including identifying the lodes and extracting the earth that surrounds them—are rugged operations that require equipment that can withstand long, hard days of work and function reliably in extreme weather...

Wilden AODD Pumps Improve Safety in Mining Operations

AODD pumps not only meet the challenges found in harsh mining conditions, but also help minimize the risks for mine personnel and the environment By Johannes Meijer| Download the article Introduction In the early days of the mining industry, operations were pretty basic: identify the spot where the commodity might...

AODD Pumps in Process Cooling Applications

By Tom Zuckett, PSG | Download this article | The October issue of Process Cooling magazine included a feature article on the use of air-operated double-diaphragm (AODD) pumps in process cooling applications. This time-tested technology meets the needs of harsh operating conditions while improvements in airflow efficiency help optimized...

Shifting Your Perception of AODD Pumps

By Carl Glauber & Ravi Prasad, Wilden | Download this article | The October issue of Process India magazine included a feature article on that illustrates how a revolutionary new air-distribution technology can help minimize air consumption and improve overall efficiency of reciprocating positive displacement Air-Operated Double-Diaphragm (AODD) pump technology that is used in...