Published Articles

Filter-press air-distribution system reliability starts with its pumps

Source: View Processing Magazine Digital Issue | Online Issue By Kevin Hogue Moving near 10,000 gallons of waste sludge per day; 100 tons of sludge cake per year Wilden® AODD pumps with Pro-Flo® SHIFT Air Distribution Systems meet the heavy demands of forcing waste-laden sludge into the filter press chambers for...

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...

Wilden AODD pumps excel in mine electrowinning applications

Source: International Mining The key link between mine excavation and the precise operation of electrowinning is the fact that industrial pumps are required to optimise both processes. One type of pump style – air-operated double-diaphragm (AODD) – has according to Wilden® Pump & Engineering Company been proven in the...

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...

Considerations for diaphragm selection

Selecting the right diaphragm for an air-operated double-diaphragm pump is a critical consideration for the user. This article looks at the factors to take into account when choosing the optimum diaphragm that will assure safe, efficient, cost effective and trouble-free operations. When selecting the a diaphragm for an air-operated...

AODD Pumps Safely Handle Specialty Chemicals

A UAE company turned to air-operated double-diaphragm pumping technology to carefully and efficiently produce chemicals for the oil industry. By Anthony Monnet Wilden The chemical manufacturing industry has stringent requirements for process equipment. Production efficiency, product quality and operational safety for both on-site personnel and the environment are critical concerns...