Versamatic’s 1 ½" (38mm) air-operated double-diaphragm (AODD) pump uses a patented air valve system to deliver consistent on/off reliability while maintaining superior air efficiency. Available with several extended-life diaphragm styles to choose from, this portable AODD pump delivers excellent flow rates. 

The Versamatic 1 ½" pump is the performance leader in flow rate at 123 gpm (465 lpm),  displacement per cycle and dry suction lift. Additionally, this pump:

• Makes maintenance easy with a removable air valve sleeve and modular pilot spool design
• Offers leak-free bolted design for confidently and safely transferring acids and caustics in your application
• This pump is ATEX compliant