SANDPIPER® Air-Operated Diaphragm Pump

These pumps are sealless, self-priming and can run dry without damage. Because they are air-powered, flow is infinitely adjustable to the capacity of the pump. Gentle pumping action will not degrade shear-sensitive materials, products or produce any heat.

  • Adjustable flow
  • In-line serviceable
  • Handles abrasive & viscous liquids
  • 4, 15 & 25 GPM have a 1/4" FPT air connection & the 45 GPM has a 1/2" FPT air connection
  • Maximum viscosity: 2,200 centipoise
  • Air pressure required at inlet 20 to 100 psi
  • Maximum head: 230' of water
  • All pumps have encapsulated muffler
  • Can be plumbed with rigid pipe or flexible tubing
  • Does not meet FDA, USDA or NSF standards
Stock Description Catalog Pg. Price
4 GPM Sandpiper® Polypropylene Pump with Santoprene® Diaphragm
98114
4 GPM Sandpiper® Polypropylene Pump with Santoprene® Diaphragm
$412.79​/Each
Save 5%2+$392.15/Each
Save 10%4+$371.51/Each
Save 15%12+$350.87/Each
P-416
$412.79​/Each
Drop Ship
4 GPM Sandpiper® Polypropylene Pump with PTFE Diaphragm
98119
4 GPM Sandpiper® Polypropylene Pump with PTFE Diaphragm
$638.16​/Each
Save 5%2+$606.25/Each
Save 10%4+$574.34/Each
Save 15%12+$542.43/Each
P-416
$638.16​/Each
Drop Ship
4 GPM Sandpiper® Kynar® Pump with PTFE Diaphragm
98120
4 GPM Sandpiper® Kynar® Pump with PTFE Diaphragm
$791.08​/Each
Save 5%2+$751.52/Each
Save 10%4+$711.97/Each
Save 15%12+$672.41/Each
P-416
$791.08​/Each
Drop Ship
15 GPM Sandpiper® Polypropylene Pump with Santoprene® Diaphragm
98121
15 GPM Sandpiper® Polypropylene Pump with Santoprene® Diaphragm
$832.29​/Each
Save 5%2+$790.67/Each
Save 10%4+$749.06/Each
Save 15%12+$707.44/Each
P-416
$832.29​/Each
Drop Ship
15 GPM Sandpiper® Polypropylene Pump with PTFE Diaphragm
98122
15 GPM Sandpiper® Polypropylene Pump with PTFE Diaphragm
$1,089.42​/Each
Save 5%2+$1034.94/Each
Save 10%4+$980.47/Each
Save 15%12+$926.00/Each
P-416
$1,089.42​/Each
Drop Ship
15 Sandpiper® Kynar® Pump with PTFE Diaphragm
98123
15 Sandpiper® Kynar® Pump with PTFE Diaphragm
$1,840.50​/Each
Save 5%2+$1748.47/Each
Save 10%4+$1656.45/Each
Save 15%12+$1564.42/Each
P-416
$1,840.50​/Each
Drop Ship
25 GPM Sandpiper® Polypropylene Pump with Santoprene® Diaphragm
98126
25 GPM Sandpiper® Polypropylene Pump with Santoprene® Diaphragm
$946.52​/Each
Save 5%2+$899.19/Each
Save 10%4+$851.86/Each
Save 15%12+$804.54/Each
P-416
$946.52​/Each
Drop Ship
25 GPM Sandpiper® Polypropylene Pump with PTFE Diaphragm
98127
25 GPM Sandpiper® Polypropylene Pump with PTFE Diaphragm
$1,219.20​/Each
Save 5%2+$1158.24/Each
Save 10%4+$1097.28/Each
Save 15%12+$1036.32/Each
P-416
$1,219.20​/Each
Drop Ship
25 Sandpiper® Kynar® Pump with PTFE Diaphragm
98128
25 Sandpiper® Kynar® Pump with PTFE Diaphragm
$1,981.35​/Each
Save 5%2+$1882.28/Each
Save 10%4+$1783.21/Each
Save 15%12+$1684.14/Each
P-416
$1,981.35​/Each
Drop Ship
45 GPM Sandpiper® Polypropylene Pump with Santoprene® Diaphragm
98129
45 GPM Sandpiper® Polypropylene Pump with Santoprene® Diaphragm
$1,502.20​/Each
Save 5%2+$1427.09/Each
Save 10%4+$1351.98/Each
Save 15%12+$1276.87/Each
P-416
$1,502.20​/Each
Drop Ship
45 GPM Sandpiper® Polypropylene Pump with PTFE Diaphragm
98133
45 GPM Sandpiper® Polypropylene Pump with PTFE Diaphragm
$1,872.69​/Each
Save 5%2+$1779.05/Each
Save 10%4+$1685.42/Each
Save 15%12+$1591.78/Each
P-416
$1,872.69​/Each
Drop Ship
45 Sandpiper® Kynar® Pump with PTFE Diaphragm
98134
45 Sandpiper® Kynar® Pump with PTFE Diaphragm
$3,143.05​/Each
Save 5%2+$2985.89/Each
Save 10%4+$2828.74/Each
Save 15%12+$2671.59/Each
P-416
$3,143.05​/Each
Drop Ship