ARO EXP 1” metallic diaphragm pumps achieve flow rates of up to 52.2 GPM (197.6 LPM) and offer a wide array of material and porting configurations. These pumps are often used for transfer, filling, recirculation and batching in Ceramic, Industrial, Chemical and Petrochemical markets.

Available with  Long-life PTFE diaphragms.

Features

Efficiency – Simul-Shift™ valve provides ultra-positive, reliable shift signal

Reliability – ARO’s patented ‘Unbalanced’ air valve ensures no-stall operation

Versatility – Broad range in materials of construction for optimum fluid compatibility

Environmentally Sound – Bolted construction for leak-free fluid handling and ribless fluid caps to eliminate cracking

Serviceability – Easier service through modular design

Accessories

• 66073-2 Air Line Connection Kit: contains Piggyback Filter / Regulator, pipe nipple & 5’ section of hose
• 67237 Diaphragm Failure Detection (DFD)
• 67350 Cycle Counter Kit
• 637397 Air Section Service Kit
• 637401-XX Fluid Section Service Kit

Pump Casing Materials

• Aluminum
• Cast Iron
• Stainless Steel
• Hastelloy-C

Diaphragm Materials

• Long Life PTFE
• Santoprene
• Hytrel
• Nitrile
• Medical Grade Santoprene
• Garlock ONE-UP®/EPDM backer
• Garlock ONE-UP®/Neoprene backer
• Garlock ONE-UP®/Viton backer
• PTFE w/ Santoprene backer
• Viton