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 a 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
$576.85​/Each
Save 5%2+$548.00/Each
Save 10%4+$519.16/Each
Save 15%12+$490.32/Each
P-478
$576.85​/Each
4 GPM Sandpiper® Polypropylene Pump with PTFE Diaphragm
98119
$802.49​/Each
Save 5%2+$762.36/Each
Save 10%4+$722.24/Each
Save 15%12+$682.11/Each
P-478
$802.49​/Each
4 GPM Sandpiper® Kynar® Pump with PTFE Diaphragm
98120
$1,101.76​/Each
Save 5%2+$1046.67/Each
Save 10%4+$991.58/Each
Save 15%12+$936.49/Each
P-478
$1,101.76​/Each
15 GPM Sandpiper® Polypropylene Pump with Santoprene® Diaphragm
98121
$1,234.14​/Each
Save 5%2+$1172.43/Each
Save 10%4+$1110.72/Each
Save 15%12+$1049.01/Each
P-478
$1,234.14​/Each
15 GPM Sandpiper® Polypropylene Pump with PTFE Diaphragm
98122
$1,369.92​/Each
Save 5%2+$1301.42/Each
Save 10%4+$1232.92/Each
Save 15%12+$1164.43/Each
P-478
$1,369.92​/Each
25 GPM Sandpiper® Polypropylene Pump with Santoprene® Diaphragm
98126
$1,286.84​/Each
Save 5%2+$1222.49/Each
Save 10%4+$1158.15/Each
Save 15%12+$1093.81/Each
P-478
$1,286.84​/Each
25 GPM Sandpiper® Polypropylene Pump with PTFE Diaphragm
98127
$1,533.12​/Each
Save 5%2+$1456.46/Each
Save 10%4+$1379.80/Each
Save 15%12+$1303.15/Each
P-478
$1,533.12​/Each

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