These pumps operate using only compressed air, which is fed through a shifting mechanism that flexes two opposing diaphragms in their respective pumping chambers.  Check valves keep the fluid moving in a forward direction in both chambers.

Wilden Pumps

• Specifically designed for sanitary process applications
• Straight flow-through design
• Large solids clearance
• Shear sensitive operation
• Sanitary Clamp
• Models with FDA, USDA, 3A, EHEDGE & ATEX certification

Almatec Pumps

• Reliable, leak-free and quiet
• Validated and certified
• Conductive plastic available
• No diaphragm piston plates
• Able to run dry or deadhead
• Intrinsically safe
• Ideal for chemical batching and dosing