The ARO 2:1 Ratio High Pressure Pump is a high-performance air-operated diaphragm pump that is designed for demanding applications. It can produce up to 200 psi of pressure, which makes it ideal for a variety of tasks, such as:

• Cleaning and dewatering equipment
• Transferring fluids
• Rinsing and flushing
• Applying pressure to fluids

Features

• A 2:1 ratio diaphragm design that produces twice the output pressure of a standard diaphragm pump
• A bolted construction that eliminates leaks and reduces maintenance costs
• A Simul-Shift™ valve technology that prevents stalling and freezing
• A Quick Dump™ valve that allows for quick and easy discharge of fluids
• A modular design that makes it easy to repair and maintain
• Available in 3″, 2″ and 1.5″ port sizes

Accessories

• 66109 Air Line Connection Kit: contains Piggyback Filter / Regulator, pipe nipple & 5’ section of hose
• 94117 Muffler

Pump Casing Materials

• Stainless Steel

Diaphragm Materials

• Santoprene
• Hytrel
• PTFE/Santoprene