ARO's INDUSTRIAL GRADE, Pro-Series Diaphragm Pumps provide high performance and stall-free reliability. With flow rates up to 237 GPM (897 LPM) and a large range of material and porting configurations, we have the right pump to match your application needs.
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1" Pro-Series Non-Metallic Diaphragm Pumps
6661XX-XXX-C

Features:
- Robust construction with thick walled injection, molded fluid casings and Cast Iron or Aluminum center sections to withstand the toughest industrial applications!!
- Efficiency - Motor design delivers optimum air efficiency
- Reliability - ARO's patented "Unbalanced" air valve ensures no-stall operation
- Versatility - Multiple porting options for your application needs - Available in Flanged, Threaded, or 3 piece Manifold configurations
- Environmentally Sound - Bolted construction for leak-free fluid handling
- Serviceability - Easy access to ball checks and fluid caps for maintenance and repairs
Pump Casing Materials:
- Polypropylene
- PVDF (Kynar)
Diaphragm Materilas:
- Viton
- PTFE (Teflon) w/ Santoprene backer
- Hytrel
- Santoprene
- Nitrile
- Medical Grade Santoprene
- Neoprene
- E.P.R.
Operators Manual
Pump Specifications
Brochure
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1" Pro-Series Metallic Diaphragm Pumps
66610X-XXX-C

Features:
- Designed with TOUGHNESS in mind!!
- Move pump from location to location with its compact, rugged design!!
- Efficiency - Motor design delivers optimum air efficiency
- Reliability - ARO's patented "Unbalanced" air valve ensures no-stall operation
- Versatility - Multiple porting options for your application needs
- Environmentally Sound - Bolted construction for leak-free fluid handling
- Serviceability - Easy access to ball checks and fluid caps for maintenance and repairs
Pump Casing Materials:
- Aluminum
- Cast Iron
- Stainless Steel
Diaphragm Materilas:
- Viton
- PTFE (Teflon) w/ Santoprene backer
- Hytrel
- Santoprene
- Nitrile
- Neoprene
- E.P.R.
Operators Manual
Pump Specifications
Brochure
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1 1/2" Pro-Series Non-Metallic Diaphragm Pumps
6661XX-XXX-C

Features:
- Robust construction with thick walled injection molded fluid casings and Cast Iron or Aluminum center sections to withstand the toughest industrial applications!!
- Efficiency - Motor design delivers optimum air efficiency
- Reliability - ARO's patented "Unbalanced" air valve ensures no-stall operation
- Versatility - Small enough to transport from location to location, but large enough to mount at and handle your industrial application location
- Environmentally Sound - Bolted construction for leak-free fluid handling
- Serviceability - Easy access to ball checks and fluid caps for maintenance and repairs
Pump Casing Materials:
- Polypropylene
- PVDF (Kynar)
Diaphragm Materilas:
- Viton
- PTFE (Teflon) w/ Santoprene backer
- Hytrel
- Santoprene
- Nitrile
- Neoprene
- E.P.R.
Operators Manual
Pump Specifications
Brochure
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1 1/2" Pro-Series Metallic Diaphragm Pumps
6661XX-XXX-C

Features:
- Designed with TOUGHNESS in mind!!
- Move pump from location to location with it's compact, rugged design!!
- Efficiency - Motor design delivers optimum air efficiency
- Reliability - ARO's patented "Unbalanced" air valve ensures no-stall operation
- Versatility - Available in Aluminum, Cast Iron or Stainless Steel to withstand your toughest chemical applications
- Environmentally Sound - Bolted construction for leak-free fluid handling
- Serviceability - Easy access to ball checks and fluid caps for maintenance and repairs
Pump Casing Materials:
- Aluminum
- Cast Iron
- Stainless Steel
Diaphragm Materilas:
- Viton
- PTFE (Teflon) w/ Santoprene backer
- Hytrel
- Santoprene
- Nitrile
- Neoprene
- E.P.R.
Operators Manual
Pump Specifications
Brochure
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2" Pro-Series Non-Metallic Diaphragm Pumps
6662XX-XXX-C

Features:
- Industry leading flow rate!!
- Ideal answer to big volume applications - where performance with economy is a must!!
- Efficiency - Motor design delivers optimum air efficiency
- Reliability - ARO's patented "Unbalanced" air valve ensures no-stall operation
- Versatility - 3 piece manifold allows for you to decide your configuration
- Environmentally Sound - Bolted construction for leak-free fluid handling
- Serviceability - Easy access to ball checks and fluid caps for maintenance and repairs
Pump Casing Materials:
- PVDF (Kynar)
- Polypropylene
Diaphragm Materilas:
- Viton
- PTFE (Teflon) w/ Santoprene backer
- Hytrel
- Santoprene
- Nitrile
- Neoprene
- E.P.R. l
Operators Manual
Pump Specifications
Brochure
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2" Pro-Series Metallic Diaphragm Pumps
6662XX-XXX-C

Features:
- Industry leading flow rates!!
- Ideal answer to big volume applications - where performance with economy is a must!!
- Efficiency - Motor design delivers optimum air efficiency
- Reliability - ARO's patented "Unbalanced" air valve ensures no-stall operation
- Versatility - Combine with 67174-20 screened inlet kit and use for dewatering
- Environmentally Sound - Bolted construction for leak-free fluid handling
- Serviceability - Easy access to ball checks and fluid caps for maintenance and repairs
Pump Casing Materials:
- Aluminum
- Cast Iron
- Stainless Steel
Diaphragm Materilas:
- PTFE (Teflon) w/ Santoprene backer
- Hytrel
- Santoprene
- Nitrile
Operators Manual
Pump Specifications
Brochure
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3" Pro-Series Metallic Diaphragm Pumps
6663XX-XXX-C

Features:
- Industry leading flow rates with a maximum delivery of 237 GPM (897 LPM)!!
- Ideal answer to big volume applications - where performance with economy is a must!!
- Efficiency - Motor design delivers optimum air efficiency
- Reliability - ARO's patented "Unbalanced" air valve ensures no-stall operation
- Versatility - From material transfer to portable dewatering applications - This pump can do it all
- Environmentally Sound - Bolted construction for leak-free fluid handling
- Serviceability - Easy access to ball checks and fluid caps for maintenance and repairs
Pump Casing Materials:
- Aluminum
- Cast Iron
- Stainless Steel
Diaphragm Materilas:
- PTFE (Teflon) w/ Santoprene backer
- Hytrel
- Santoprene
- Nitrile
Operators Manual
Pump Specifications
Brochure
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