ARO 1-1/2” PRO Series Metallic Diaphragm Pump
In pump category: Bolted Design, Metallic
Features
Mobility – Compact, rugged design allows for easy mobility
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 tough chemical applications
Environmentally Sound – Bolted construction for leak-free fluid handling
Serviceability – Easy access to ball checks and fluid caps for maintenance and repairs
Accessories
66084-1 Air Line Connection Kit: contains Piggyback Filter / Regulator, pipe nipple & 5’ section of hose
67174-15 Screened Inlet Kit
62133 Wall Mount
66975 Cycle Counter Kit
637118-C Air Section Service Kit
637124-XX Fluid Section Service Kit
Pump Casing Materials
Aluminum
Cast Iron
Stainless Steel
Diaphragm Materials
Viton
PTFE w/ Santoprene backer
Hytrel
Santoprene
Nitrile
Neoprene
E.P.R.
Ratio: 1:1
Maximum Flow: 90-g.p.m. (340.7-l.p.m.)
Displacement per cycle:
0.64-Gallons (2.42-Liters)
Air Inlet: (Female)
1/2 – 14 N.P.T.F. – 1
Fluid Inlet/Outlet:
1-1/2 11-1/2 N.P.T.F. – 1
Rp 1-1/2 (1-1/2 – 11 BSP parallel)
Max. operating pressure: 120-psi (8.3-bar)
Suspended solids max. dia.: 1/4-inch (6.4-mm)
Weight: lbs (kg)
666150-X-C (aluminum) 51.5 (23.4)
666151-X-C (stainless steel) 84.5 (38.3)
666152-X-C (cast iron) 79.5 (36.1)
Note: Add 23-lbs (10.4-kg) for cast iron air motor section
Maximum dry suction lift: ft (m) 19 (5.8)
Sound Level: 70 PSI 60 Cycles/Min 80.5 dB(A)

