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S15 Non-Metallic 1½” (40mm) AODD – Ball Valve Pump

This rugged pump has proven the test of time as a trusted, class-leading air-operated double-diaphragm (AODD) pump for a variety of markets and applications.

The Sandpiper S15 Non-Metallic 1½” AODD Pump provides incredible lightweight portability with the versatility to handle both corrosive fluids and small suspended solids. It offers air-side interchangeability with Sandpiper’s 1″ (S1F), 2″ (S20) and 3″(S30) pumps for reduced inventory costs.

The durable, bolted construction of the S15 is superior to the clamped-band construction pump, providing exceptional leak-free performance. This general transfer pump is designed to be driven by compressed air or nitrogen.




  1. Serviceability: The air distribution system (ADS) is one of the most frequently serviced parts of any AODD pump. Only Sandpiper’s ESADS+ feature allows access to the complete ADS without removing the pump from service. Repair or clean in five minutes (versus 55 minutes for competitors).
  2. Trusted design: Sandpipers original ADS is fully interchangeable, repairable and inline-serviceable. Other manufacturers frequently change ADS designs, creating issues with interchangeability, obsolete inventory and increased cost of ownership.
  3. Suction/Discharge Port Size:
    • 1½” NPT (internal)
    • 1½” BSP Tapered (internal)
    • 1½” ANSI 150# Raised Face Flanges
  4. Capacity: 0 to 401 litres/minute
  5. Air Distribution Valve: No-lube, no-stall design
  6. Solids Handling: Up to 6mm
  7. Heads up to: 8.6 Kg/cm² or 86 meters
  8. Displacement/Stroke: 1.55 litres
  9. Maximum Operating Pressure: 125 psi (8.6 bar)
  10. Weight:
    • Aluminum – 24kg
    • Cast Iron – 42kg
    • Stainless Steel – 43kg
  11. Various non-metallic material:
    • Nitrile
    • Teflon
    • EPDM
    • Neoprene
    • Santoprene
    • Viton
    • Hytrle

Additional information



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