ARO's PROCESS GRADE, Expert Series Diaphragm Pumps feature the best total cost of ownership of any diaphragm pump on the market. A favorite among process professionals, the EXP Pump family provides optimum energy efficiency and downtime solutions. With flow rates up to 275 GPM (1041 LPM) and a large range of material and porting configurations, ARO has the right non-metallic diphragm pump or metallic diaphragm pump for your application.

ARO Expert Series Metallic Diaphragm Pumps

ARO,Process,Grade,Expert,Series,Metallic,Non-Metallic,Diaphragm,Pumps,EXP1" EXP Metallic Diaphragm Pumps
PX10X-XXX-XXX

Features:

  • Best "Total Cost of Ownership" in the industry!!

  • The new EXP is 20 - 40% more efficient than our competitors!!

  • 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

Pump Casing Materials:

  • Aluminum

  • Cast Iron

  • Stainless Steel

  • Hastelloy-C

Diaphragm Materilas:

  • Santoprene

  • Hytrel

  • Nitrile

  • Medical Grade Santoprene

  • PTFE (Teflon) w/ Santoprene backer

  • Viton

Operators Manual
Pump Specifications
Brochure

ARO,Process,Grade,Expert,Series,Metallic,Non-Metallic,Diaphragm,Pumps,EXP11/2" EXP Metallic Diaphragm Pumps
PX15X-XXX-XXX

Features:

  • The Ultimate in heavy duty pump design!!

  • The new EXP is 20 - 40% more efficient than our competitors!!

  • 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

Pump Casing Materials:

  • Aluminum

  • Cast Iron

  • Stainless Steel

  • Hastelloy-C

Diaphragm Materilas:

  • Santoprene

  • Hytrel

  • Nitrile

  • Medical Grade Santoprene

  • PTFE (Teflon) w/ Santoprene backer

  • Viton

Operators Manual
Pump Specifications
Brochure

ARO,Process,Grade,Expert,Series,Metallic,Non-Metallic,Diaphragm,Pumps,EXP2" EXP Metallic Diaphragm Pumps
PX20X-XXX-XXX-B

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 and ribless fluid caps to eliminate cracking

  • Serviceability - Easier service through modular design

Pump Casing Materials:

  • Aluminum

  • Cast Iron

  • Stainless Steel

  • Hastelloy-C

Diaphragm Materilas:

  • Santoprene

  • Hytrel

  • Nitrile

  • Medical Grade Santoprene

  • PTFE (Teflon) w/ Santoprene backer

  • Viton

PD20X Operators Manual
PD20X Pump Specifications
PD20R Operators Manual
PD20R Pump Specifications
Brochure

ARO,Process,Grade,Expert,Series,Metallic,Non-Metallic,Diaphragm,Pumps,EXP3" EXP Metallic Diaphragm Pumps
PX30X-XXX-XXX-C

Features:

  • The Ultimate in heavy duty pump design!!

  • The best "Total Cost of Ownership" of any diaphragm pump on the market today!!

  • 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

Pump Casing Materials:

  • Aluminum

  • Cast Iron

  • Stainless Steel

  • Hastelloy-C

Diaphragm Materials:

  • Santoprene

  • Hytrel

  • Nitrile

  • PTFE (Teflon) w/ Santoprene backer

  • Viton

PD30X Pump Specifications
PD30R Pump Specifications
Brochure