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
$533.87​/Each
Save 5%2+$507.17/Each
Save 10%4+$480.48/Each
Save 15%12+$453.79/Each
P-416
$533.87​/Each
Drop Ship
4 GPM Sandpiper® Polypropylene Pump with PTFE Diaphragm
98119
4 GPM Sandpiper® Polypropylene Pump with PTFE Diaphragm
$765.80​/Each
Save 5%2+$727.51/Each
Save 10%4+$689.22/Each
Save 15%12+$650.93/Each
P-416
$765.80​/Each
Drop Ship
4 GPM Sandpiper® Kynar® Pump with PTFE Diaphragm
98120
4 GPM Sandpiper® Kynar® Pump with PTFE Diaphragm
$1,029.36​/Each
Save 5%2+$977.89/Each
Save 10%4+$926.42/Each
Save 15%12+$874.95/Each
P-416
$1,029.36​/Each
Drop Ship
15 GPM Sandpiper® Polypropylene Pump with Santoprene® Diaphragm
98121
15 GPM Sandpiper® Polypropylene Pump with Santoprene® Diaphragm
$1,188.37​/Each
Save 5%2+$1128.95/Each
Save 10%4+$1069.53/Each
Save 15%12+$1010.11/Each
P-416
$1,188.37​/Each
Drop Ship
15 GPM Sandpiper® Polypropylene Pump with PTFE Diaphragm
98122
15 GPM Sandpiper® Polypropylene Pump with PTFE Diaphragm
$1,307.30​/Each
Save 5%2+$1241.93/Each
Save 10%4+$1176.57/Each
Save 15%12+$1111.20/Each
P-416
$1,307.30​/Each
Drop Ship
25 GPM Sandpiper® Polypropylene Pump with Santoprene® Diaphragm
98126
25 GPM Sandpiper® Polypropylene Pump with Santoprene® Diaphragm
$1,203.64​/Each
Save 5%2+$1143.45/Each
Save 10%4+$1083.27/Each
Save 15%12+$1023.09/Each
P-416
$1,203.64​/Each
Drop Ship
25 GPM Sandpiper® Polypropylene Pump with PTFE Diaphragm
98127
25 GPM Sandpiper® Polypropylene Pump with PTFE Diaphragm
$1,463.04​/Each
Save 5%2+$1389.88/Each
Save 10%4+$1316.73/Each
Save 15%12+$1243.58/Each
P-416
$1,463.04​/Each
Drop Ship