ARO PX20X-XXX-XXX-B — 2 inch metallic family
PX20X-XXX-XXX-BARO PX20X-XXX-XXX-B is a 2-inch air-operated double diaphragm pump family in the EXP Series. Wetted housing options include Aluminum / Cast Iron / Stainless Steel / Hastelloy-C. Diaphragm material options are listed in the technical specifications.
- Nominal port size
- 2 inch
- Family maximum flow
- 172 gpm (651 lpm)
- Housing options
- Aluminum / Cast Iron / Stainless Steel / Hastelloy-C
- Diaphragm options
- Multiple configuration options
Know the pump.
Construction & fluid path
Listed fluid connection options: ANSI / DIN flange.
Performance & operating point
The published family maximum flow is 172 gpm (651 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 | PX20X-XXX-XXX-B |
| Series | EXP Series |
| Nominal port size | 2 inch |
| Family maximum flow | 172 gpm (651 lpm) |
| Housing options | Aluminum / Cast Iron / Stainless Steel / Hastelloy-C |
| Diaphragm options | Long Life PTFE Polypropylene Hytrel Nitrile Medical Grade Santoprene Garlock ONE-UP®/EPDM backer Garlock ONE-UP®/Neoprene backer Garlock ONE-UP®/Viton backer PTFE(PTFE)/Santoprene backer Viton |
| Drive type | Pneumatic |
| Working pressure | 120 psig (8.3 bar) |
| Connection standard | ANSI / DIN flange |
Performance
| Ratio | 1:1 |
|---|---|
| Maximum flow rate (flooded inlet) | 172 gpm (651 lpm) |
| Displacement per cycle @ 100 psig | 1.4 gal. (5.3 lit.) |
| Maximum outlet pressure | 120 psig (8.3 bar) |
| Maximum particle size | 1/4” dia. (6.4 mm) |
| Maximum dry suction lift ft (m) | 14 (4.2) |
| Sound Level | 70 PSI 50 Cycles/Min 85.0 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 / Hastelloy-C |
|---|
Connections
| Air Inlet (Female) | 3/4 - 14 N.P.T.F.-1 |
|---|---|
| Fluid Inlet/Outlet (Female) | PX20X-AXX-XXX-B( ) 2 - 11-1/2 N.P.T.F.-1 PX20X-BXX-XXX-B( ) Rp 2 (2 - 11 BSP parallel) PX20X-FXX-XXX-B( ) 2” A.N.S.I./DIN Flange |
Additional specifications
| Nominal port size | 2 in |
|---|---|
| Pump architecture | Air-operated double diaphragm |
| Muffler Included | 67389 |
Maximum flow and maximum pressure are separate ratings; they do not describe one simultaneous operating point.
Make the right selection.
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