ARO PD05R-AAS-SAA-B Santoprene Double Diaphragm Pump
Metallic Compact Series 1/2 in. pump with aluminum manifold, Santoprene balls and diaphragms, 316 SS seats
Metallic 1/2 in. Compact Series pump with an aluminum manifold. Santoprene balls and diaphragms work against 316 stainless seats.
The ARO PD05R-AAS-SAA-B is the Santoprene version of the metallic Compact Series 1/2 in. pump. According to its spec notes, it has a polypropylene center section, an aluminum manifold, stainless steel seats and hardware, and Santoprene in both the balls and the diaphragms. The seats are 316 stainless steel, and the ports are 1/2 in.-14 NPTF.
On full air it delivers up to 13.0 gpm (49.2 lpm). Inlet air and fluid pressure each top out at 100 psi (6.9 bar). It passes solids to 3/32 in. and runs at 71.1 dB.
The SAA ending marks this as the Santoprene build. Its parts list names the 637427-AA repair kit, which carries the same AA letters. The part list and operators manual for this pump hold the full service detail.
Key Specifications
- Manifold: aluminum; center section: polypropylene
- Elastomers: Santoprene balls and diaphragms
- Seats: 316 stainless steel
- Ports: 1/2 in. NPTF
- Peak delivery: 13.0 gpm (49.2 lpm)
- Pressure rating: 100 psi (6.9 bar) air and fluid
Typical Applications
- General transfer where a metal manifold is preferred to plastic
- Fluids the chemical resistance guide lists as suited to Santoprene and aluminum
- Small process lines that need around 13 gpm
- Fluids with fine solids up to 3/32 in.
Service Parts for This Pump
Stock these items from the PD05R-AAS-SAA-B list for routine rebuilds:
- ARO 637427-AA Santoprene repair kit code AA
- ARO 94395 U-cup, black
- ARO 96459 O-ring sized 1/16 in. x 7/16 in. o.d.
- ARO 94628 flange bolt, 5/16 in.-18 x 3/4 in.
- ARO 66885-1 assembly for grounding
- ARO 95978 body for the center section
This model's parts list holds 41 entries.
| Brand | ARO |
|---|---|
| Product Type | Pump |
| Product Series | Compact Series |
| Material - Diaphragm | Santoprene |
| Application | Air Operated Pump |
| Inlet/Outlet Connection Type | NPTF |
| Outlet Size | 1/2 in |
| Solids Handling | 3/32 in |
| Material - Balls | Santoprene |
| Material - Seats | 316 Stainless Steel |
| Max Air Inlet Pressure | 100 psi (6.9 bar) |
| Max Flow | 13.0 gpm (49.2 lpm) |
| Max Fluid Pressure | 100 psi (6.9 bar) |
| Max Temperature | 350°F (176.7°C) |
| Noise Level | 71.1 dB |
| Material - Hardware | Stainless Steel |
| Notes | AODD Pump, Metallic, Compact Series, 1/2"-14 NPTF-1 Connections, PP Center Section, Aluminum Manifold, SS Hardware, SS Seat, Santoprene Ball, Santoprene Diaphragm, Rev B |
| Displacement | Positive Displacement |
