PD20S-FSS-STT-B ARO 2" Stainless Steel Metallic Expert Series Air Operated Double Diaphragm Pump
ARO
$10,816.16
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ARO
PD20S-FSS-STT-B ARO 2" Stainless Steel Metallic Expert Series Air Operated Double Diaphragm Pump
P/N PD20S-FSS-STT-B ARO 2" Stainless Steel Metallic Expert Series Air Operated Double Diaphragm Pump
The ARO PD20S-FSS-STT-B is a 2-inch metallic Expert Series air-operated double-diaphragm pump designed for robust fluid transfer in demanding industrial and chemical applications. Its heavy-duty construction combines stainless steel fluid manifolds and fluid caps with stainless steel hardware, PTFE diaphragms with Santoprene® backing, PTFE valve balls, and 316 Stainless Steel seats to provide exceptional corrosion resistance, structural strength, and broad chemical compatibility.
The 2-inch ANSI flanged connection (with a 3/4" NPTF air inlet) provides secure, leak-free piping installation for heavy-duty industrial systems, while the bolted construction supports reliable fluid handling and convenient serviceability. This pump is well suited for fluid transfer, filling, recirculation, batching, and handling aggressive chemicals or fluids with suspended solids.
Application suitability should be confirmed based on the specific fluid, temperature, viscosity, chemical compatibility, solids content, and operating conditions.
ARO Expert and Compact Series Air Operated Diaphragm Pumps
| Air Exhaust | 1-1/2 - 11-1/2 NPT |
| Air Inlet | 3/4 - 14 NPTF - 1 |
| Ball Material | PTFE |
| Center Body Material | Aluminum |
| Diaphragm Material | PTFE / Santoprene® |
| Displacement / Cycle @ 100 psig | 1.4 gal (5.3 L) |
| Fluid Cap / Manifold Material | Stainless Steel |
| Hardware Material | Stainless Steel |
| Material Inlet / Outlet | 2" ANSI Flange |
| Maximum Air Inlet Pressure | 120 psig (8.3 bar) |
| Maximum Dry Suction Lift | 14 ft (4.2 m) |
| Maximum Flow Rate (Flooded Inlet) | 172 gpm (651 L/min) |
| Maximum Material Inlet Pressure | 10 psig (0.69 bar) |
| Maximum Operating Temperature | 40 °–225 °F (4 °–107 °C) |
| Maximum Outlet Pressure | 120 psig (8.3 bar) |
| Maximum Particle Size / Max Solids | 1/4" dia. (6.4 mm) |
| Mounting Dimension | 9.06" × 10.06" (230.2 × 255.6 mm) |
| Noise Level @ 70 psig, 60 cpm | 85.0 dB(A) |
| Product Series | Expert Series |
| Ratio | 1:1 |
| Seat Material | 316 Stainless Steel |
| Weight | 162.2 lb (73.6 kg) |
