ARO PD15A-AAP-AAA 1-1/2 In. EXP Double Diaphragm Pump
1-1/2 in. EXP Series AODD pump rated to 123 gpm, with Santoprene diaphragms and balls on aluminum seats
EXP Series 1-1/2 in. air-operated pump rated for 123 gpm and 120 psi. Its Santoprene diaphragms and balls seal against aluminum seats.
The ARO PD15A-AAP-AAA is an EXP Series double diaphragm pump sized for 1-1/2 in. NPTF piping. Compressed air at up to 120 psi (8.3 bar) drives Santoprene diaphragms, and Santoprene balls seal against aluminum seats. Hardware is plated steel.
This size steps up to 123 gpm (465.6 lpm) of rated flow and can generate fluid pressure up to 120 psi (8.3 bar). Solids up to 1/4 in. pass through the valves. The listed noise level is 82.8 dB(A).
Most rebuild work is covered by two kits: 637375-AA for the fluid section and 637389 for the air section. A screened inlet kit is listed to help keep oversize debris out of the pump, and an airline kit is listed for the air supply hookup.
Key Specifications
- Size: 1-1/2 in. NPTF ports
- Capacity: 123 gpm (465.6 lpm)
- Air inlet and fluid pressure max: 120 psi (8.3 bar)
- Valve set: Santoprene balls with aluminum seats
- Solid particle size: up to 1/4 in.
- Noise: 82.8 dB(A)
Typical Applications
- High-volume unloading and bulk transfer
- Fluids holding solids up to 1/4 in.
- Plants with 1-1/2 in. process piping
- Duties where Santoprene and aluminum are confirmed compatible with the fluid
Service Parts for This Pump
This pump's parts list names these service kits and parts:
- ARO 637375-AA EXP fluid section service kit
- ARO 637389 service kit, air section
- ARO 67174-15 screened inlet kit
- ARO 67237 DFD kit for diaphragm failure detection
- ARO 66084-1 airline kit
- ARO 95819-3 backup washer
The list for this model has 7 entries, and the ARO 67350 cycle counter kit is the seventh.
| Brand | ARO |
|---|---|
| Product Type | Pump |
| Product Series | EXP Series |
| Material - Diaphragm | Santoprene |
| Application | Air Operated Pump |
| Inlet/Outlet Connection Type | NPTF |
| Outlet Size | 1-1/2 in |
| Solids Handling | 1/4 in |
| Material - Balls | Santoprene |
| Material - Seats | Aluminum |
| Max Air Inlet Pressure | 120 psi (8.3 bar) |
| Max Flow | 123 gpm (465.6 lpm) |
| Max Fluid Pressure | 120 psi (8.3 bar) |
| Max Temperature | 350°F (176.7°C) |
| Noise Level | 82.8 dB(A) |
| Material - Hardware | Plated Steel |
| Displacement | Positive Displacement |
