1” Pro Series Non-Metallic Diaphragm Pump

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

Description

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/Min 64.5 db(A)

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