PSG® offers the latest technology in air-operated double-diaphragm (AODD) pumps. AODD pumps are positive displacement reciprocating pumps that can be used in multiple fluid-transfer applications, and thanks to an array of unique design characteristics, AODD pumps are ideally suited for applications that require a robust, plug-and-play, and easy-to-maintain pump.

PSG offers both Wilden® and Almatec® AODD pumps, which are well-known, industry-leading brands that provide a variety of unique benefits to multiple markets and applications.

Features and Benefits

  • Available sizes: 6 mm (1/4″) to 102 mm (4″)
  • Capacity capabilities ranging from 15 lpm (4 gpm) to 1048 lpm (277 gpm)
  • Shear sensitive
  • Self-priming, run-dry capable
  • Easy to install, easy to maintain, durable and reliable
  • No mechanical seals and lube-free operation
  • Available in different housing materials to meet special requirements

Applications

  • Chemical Processing
  • Paint & Coatings
  • Water & Wastewater
  • Bulk Transfer
  • Hygienic
  • Mining
  • Ceramic
  • Semiconductor
  • Many More 

Almatec Logo

Introduced to the industry in 1984, Almatec pumps excel in abrasive chemical applications.  The pumps are have a bolted design and solid plastic construction with some designs having only three solid housing parts making them easy to maintain. Additionally, with some designs (such as the popular E-Series) featuring only three solid housing parts, Almatec has a reputation for being extremely easy to rebuild and maintain when required.

Almatec Products Brochure

Almatec Brand Video

Wilden Logo

As the inventor of the AODD pump, Wilden offers the industry's broadest range of pump and diaphragm options. Suitable for applications requiring high flow rates, Wilden offers pumps in both clamped and bolted construction as well as various materials, sizes, and valve options.
 
 
 

Wilden Brand Portfolio Brochure

Wilden - How Air-Operated Double-Diaphram Pumps Work

All-Flo Logo

All-Flo has been providing air-operated double-diaphragm (AODD) solutions for challenging applications since 1986. Known for their simplicity, efficiency, performance, and compatibility, All-Flo’s portfolio of fluid-handling solutions include metal and plastic pumps, Max-Pass® S Series Pumps, All-Pur™ FDA F Series Pumps, and associated accessories.
 

All-Flo Product Overview Brochure

All-Flo – How It Works