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3'' Pro Series Metallic Diaphragm Pump

6663XX-XXX-C 237 GPM (897 l/min)

PRO Series 3” metallic pneumatic diaphragm pumps of ARO achieve flow rates of up to 237 GPM (897 l/min) 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 and Gas, Mining, Construction, Chemical and Petrochemical markets.

Features

  • Industry leading flow rates with a maximum delivery of 237 GPM (897 LPM)
  • Ideal answer to big volume applications 
  • Efficiency - Motor design delivers optimum air efficiency
  • Reliability - ARO's patented 'Unbalanced' air valve ensures no-stall operation
  • Versatility - Appropriate for various applications such as  material transfer to portable dewatering
  • Environmentally Sound - Bolted construction for leak-free fluid handling
  • Serviceability - Easy access to ball checks and fluid caps for maintenance and repairs

Accessories

  • 66312 Air Line Connection Kit: contains Piggyback Filter / Regulator, pipe nipple & 5’ section of hose
  • 66975 Cycle Counter Kit
  • 637434 Air Section Service Kit
  • 637433-XX Fluid Section Service Kit

Pump Casing Materials

  • Aluminum
  • Stainless Steel
  • Cast Iron

Diaphragm Materials

  • PTFE w/ Santoprene backer
  • Hytrel
  • Santoprene
  • Nitrile



Ratio: 1:1

Maximum Flow: 237 GPM (897.0 LPM)

Displacement per cycle:
2.65 Gallons (10.03 Liters)

Air Inlet: (Female)
3/4 - 14 NPTF - 2

Fluid Inlet/Outlet: 
3 - 8 NPTF - 2
Rp 3 (3 - 11 BSP parallel)

Max. operating pressure: 10 PSI (0.69 bar)

Suspended solids max. dia.: 3/8” (9.5 mm)

Weight: lbs (kg)
6663X0-XXX-C 109.84 lbs (49.82 kgs)
6663X1-XXX-C 222.21 lbs (100.79 kgs)
6663X2-XXX-C 213.08 lbs (96.65 kgs)
6663XA-XXX-C 109.84 lbs (49.82 kgs)
6663XB-XXX-C 222.21 lbs (100.79 kgs)
6663XC-XXX-C 213.08 lbs (96.65 kgs)

Sound Level: 70 PSI 60 Cycles/Min 86.3 db(A)