ARO 3” PRO Series Metallic Diaphragm Pump
In pump category: Bolted Design, Metallic
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)

