They offer flow rates up to 14.4 GPM (54.5 LPM) and a wide range of material and porting configurations.

Available with Long-life PTFE diaphragms.

Features

Designed to meet your OEM application needs.

Manufactured for complete corrosion resistance – constructed with polypropylene center body, standard stainless steel fasteners, and your choice of Groundable Acetal, PVDF (Kynar) or Polypropylene casing materials

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

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

Versatility – Center, End, and Dual Inlet / Outlet manifold configurations for your application needs

Environmentally Sound – Bolted construction for leak-free fluid handling

Serviceability – Ease of service through modular design

Accessories

• 66073-1 Air Line Connection Kit: contains Piggyback Filter / Regulator, pipe nipple & 5’ section of hose
• 637438 Threaded Exhaust Kit
• 76763 Wall Mount Bracket
• 93110 Air Motor Muffler
• 637440-X Dual Inlet / Outlet Kit
• 67165-X Cycle Actuation Kit
• 637428 Air Section Service Kit
• 637427-XX Fluid Section Service Kit

Pump CasingMaterials

• Polypropylene
• PVDF (Kynar)
• Groundable Acetal

Diaphragm Material

• Long Life PTFE
• Santoprene
• Hytrel
• Nitrile
• PTFE w/ Santoprene backer
• Polyurethane
• Viton

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

Maximum Flow gpm (lpm): 172 (651)

Maximum Discharge Pressure psi (bar): 120 (8.3)

Fluid Ports Inlet/Outlet (bsp): 2” NPTF Rp2 (2-11 BSP) (Side or Center)2” ANSI/DIN Flange with 2” pipe tap (SS only/Center)

Material of Construction: Aluminum, Cast Iron, Stainless Steel, Hastelloy®

Maximum Solids in (mm): 1/4 (6.4)

Maximum Dry Suction Lift ft (m): 14 (4.2)

Overview

The ARO EXP Series Diaphragm Pumps now includes a special range wherein all the Stainless Steel Wetted parts are manufactured with SS 316L alloy (CF3M).

This Alloy is a preferred material of construction by Customers and consultants in Oil & Gas or Food & Beverage segments due to it low carbon content (0.3%) which gives it an improved corrosion resistant properties. They Combine with the rugged reliability of the EXP Series Pump design to handle high volume transfer applications in toughest conditions

End Connections : Threaded BSP (F), Flanged Connections available

Center Bodies : Aluminum or Stainless Steel to suit the environment where these shall be operating

EXP Pump Design : Industry Leading Total cost of Operation, Better flow rates and higher reliability