ARO 6661XX-XXX-C — 1.5 inch metallic family
6661XX-XXX-CARO 6661XX-XXX-C is a 1.5-inch air-operated double diaphragm pump family in the PRO Series. Wetted housing options include Aluminum / Cast Iron / Stainless Steel. Diaphragm options include Viton PTFE w/ Santoprene backer Hytrel Santoprene Nitrile Neoprene E.P.R..
- Nominal port size
- 1.5 inch
- Family maximum flow
- 90 gpm (340.7 lpm)
- Housing options
- Aluminum / Cast Iron / Stainless Steel
- Diaphragm options
- Viton PTFE w/ Santoprene backer Hytrel Santoprene Nitrile Neoprene E.P.R.
Know the pump.
Construction & fluid path
Listed fluid connection options: See specifications.
Performance & operating point
The published family maximum flow is 90 gpm (340.7 lpm). The listed maximum working pressure is 120 psig (8.3 bar). Maximum flow and maximum pressure are separate ratings. The operating flow depends on discharge pressure, the available air supply, fluid properties and the selected configuration.
Configuration selection
This record describes a product family or model pattern. Select the complete ordering code and confirm its wetted materials, connections and operating limits before specifying a pump.
Specifications at a glance.
Review materials, connections and operating limits for your duty point.
Identification
| Brand | ARO |
|---|---|
| Model / order number | 6661XX-XXX-C |
| Series | PRO Series |
| Nominal port size | 1.5 inch |
| Family maximum flow | 90 gpm (340.7 lpm) |
| Housing options | Aluminum / Cast Iron / Stainless Steel |
| Diaphragm options | Viton PTFE w/ Santoprene backer Hytrel Santoprene Nitrile Neoprene E.P.R. |
| Drive type | Pneumatic |
| Working pressure | 120 psig (8.3 bar) |
| Connection standard | See specifications |
Performance
| Ratio | 1:1 |
|---|---|
| Maximum flow rate (flooded inlet) | 90 gpm (340.7 lpm) |
| Displacement per cycle | 0.64-Gallons (2.42-Liters) |
| Maximum outlet pressure | 120 psig (8.3 bar) |
| Maximum particle size | 1/4” dia. (6.4 mm) |
| Maximum dry suction lift | ft (m) 19 (5.8) |
| Sound Level | 70 PSI 60 Cycles/Min 80.5 db(A) |
| Maximum air inlet pressure | 120 psig (8.3 bar) |
| Maximum material inlet pressure | 10 psig (0.69 bar) |
Materials & construction
| Wetted body options | Aluminum / Cast Iron / Stainless Steel |
|---|
Connections
| Air Inlet | (Female) 1/2 - 14 N.P.T.F. - 1 |
|---|
Dimensions & weight
| 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 |
|---|
Additional specifications
| Nominal port size | 1.5 in |
|---|---|
| Pump architecture | Air-operated double diaphragm |
Maximum flow and maximum pressure are separate ratings; they do not describe one simultaneous operating point.
Make the right selection.
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