W15 Sandpiper Air Operated Double Diaphragm Wastewater Metallic Pump

Non-Clog Wastewater Pumps are fitted with swing check valves and easy access clean-outs. These air operated double diaphragm pumps are designed specifically for slurry and solids-laden materials. Flap valves allow passage of suspended, pipe-size solids and stringy material. Constructed of cast iron and durable epoxy coating inside and out.


Port Size
W15-3: 3″ 125# ASA Flange
W15-4: 4″ 125# ASA Flange
0 to 260 gpm (988 lpm)
Air Distribution Valve
No-lube, no-stall design
Up to 3″ (76 mm)
Heads Up To
125 psi or 289 ft. of water (8.6 bar or 88 meters)
1.23 gallon (4.66 liters)
Max Operating Pressure
125 psi (8.6 bar)
Shipping Weight
3″ Cast Iron: 478 lbs. (217 kg)
4″ Cast Iron: 530 lbs. (240 kg)

Click here for W15 Wastewater Pump Data Sheet.