Products
Diaphragm Pumps
Piston Pumps
Drum Pumps
Lubrication Equipment
Filter Regulator Lubricators
Pneumatic Valves & Cylinders
Parts & Accessories
Services
Technologies
How Diaphragm Pumps Work
How Do Powder Pumps Work
Electric Diaphragm Pumps: An Overview
Piston Pump Working Principles
Piston Pump Motor Technologies
Support
Diaphragm Pumps Product Selector
Piston Pump Selector Tool
Document Library
Chemical Compatibility Guide
Blog
AODD Manufacturer Comparison Guide
Knowledge Hub
On-Demand Webinars
ARO Product Park
Industries
General Manufacturing
Chemical Transfer
Lubrication
Energy
Food & Beverage
Mining
Data Centers
Other Industries
Back to the product list

1'' Pro Series Non-Metallic Diaphragm Pump

6661XX-XXX-C 47 GPM (177.9 LPM)

Features

  • Robust construction with thick walled injection, molded fluid casings and cast iron or aluminum center sections to withstand tough 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

Accessories

  • 637161-XX-C Fluid Section Service Kit
  • 637118-C Air Section Service Kit
  • 66073-2 Air Line Connection Kit: contains Piggyback Filter / Regulator, pipe nipple & 5' section of hose
  • 67078 Flange Connection Kit: converts connection to N.P.T.F. threading configuration
  • 67072 Count Down Batcher
  • 66975 Cycle Counter Kit

Pump Casing Materials

  • Polypropylene
  • PVDF (Kynar)

Diaphragm Materials

  • Viton
  • PTFE w/ Santoprene backer
  • Hytrel
  • Santoprene
  • Nitrile
  • Medical Grade Santoprene
  • Neoprene
  • E.P.R.

Ratio: 1:1

Maximum Flow:
47 GPM (177.9 LPM)

Displacement per cycle:
Standard Diaphragm 0.17 gallons (0.64 liters)
PTFE Composite Diaphragm 0.14 gallons (0.525 liters)

Air Inlet: (Female) 1/4-18 NPTF

Fluid Inlet/Outlet:
1- 11-1/2 NPTF -1
1 - 11 BS Rp
1” ANSI / DIN Flange

Max. operating pressure: 120 psi (8.3 bar)

Suspended solids max. dia.: 1/8” dia. (3.2 mm)

Weight:
6661A3-, 1AF-, 1AJ-, 1AL- 20.25 lbs (9.19 kgs)
6661AP-, 1AR-, 1AS-, 1AT- 20.25 lbs (9.19 kgs)
6661A4-, 1AG-, 1AK-, 1AN- 28.5 lbs (12.93 kgs)
6661B3-, 1BF-, 1BJ-, 1BL- 28.8 lbs (13.06 kgs
6661BP-, 1BR-, 1BS-, 1BT- 28.8 lbs (13.06 kgs)
6661B4-, 1BG-, 1BK-, 1BN- 37 lbs (16.78 kgs)
Note: Add 23 lbs (10.4 kgs) for cast iron air motor section.

Maximum dry suction lift: 15 ft (4.6 m)

Sound Level:
70 PSI (4.8 bar) 60 Cycles/Min64.5 db(A)

Find a Dealer