ARO EXP 3” metallic diaphragm pumps achieve flow rates of up to 275 GPM (1040.9 LPM) and offer a wide array of material and porting configurations. These pumps are often used for transfer, filling, recirculation and batching in Ceramic, Paint, Oil & Gas, Chemical and Petrochemical markets.

Available with Long-life PTFE diaphragms.

Features

The Ultimate in heavy duty pump design.

Up to 4 times the life of traditional diaphragm pumps due to the EXP’s new convoluted diaphragm design.

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

Serviceability – Easier service through modular design

Accessories

• 66109 Air Line Connection Kit: contains Piggyback Filter / Regulator, pipe nipple & 5’ section of hose
• 67237 Diaphragm Failure Detection Kit
• 67350-1 Cycle Counter Kit
• 67263 Continuous-Duty Muffler
• 67174-30 Screen Inlet Adapter Kit
• 637369 Air Section Service Kit for PX30R
• 637421 Air Section Service Kit for PX30A and PX30S
• 637303-XX Fluid Section Service Kit

Pump Casing Materials

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

Diaphragm Materials

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