DF Direct Flo Diaphragm Pumps

Fluid is pumped through the center of the pump rather than the outside. An improved diaphragm and ball seat design provides a faster and stronger suction lift. Ideal for standard applications. Wide range of sizes available. Improved ball valve guides design. In-line servicing is easy, quick and cost-saving. Reach higher flow rates up to 66 gallons/minute. DF30 series: Against 3/8" pumps, has 28% more flow, is 32% smaller, and has 1/2" fluid and 3/8" air connections. DF50 series: Against 1/2" pumps, has equivalent flow, is 70% smaller, and has 1/2" fluid and 3/8" air connections. DF100 series: Against 3/4" pumps, has 24% more flow, is 58% smaller, and has 1" fluid and 3/8" air connections

  • Extremely reliable, long service intervals
  • Easy & fast service and maintenance
  • Increased pump performance
  • Reduced pulsations
  • Reduced air consumption
  • Reduced noise level
  • Compact design
Stock Description Catalog Pg. Price
3/8" DF30 Direct Flo 10 gpm Pump with Conductive Kynar® Body and PTFE Diaphragm
98155
3/8" DF30 Direct Flo 10 gpm Pump with Conductive Kynar® Body and PTFE Diaphragm
$1,059.36​/Each
Save 5%2+$1006.39/Each
Save 10%4+$953.42/Each
Save 15%12+$900.45/Each
P-453
$1,059.36​/Each
Drop Ship
3/8" DF30 Direct Flo 10 gpm Pump with Polypropylene Body and PTFE Diaphragm
98156
3/8" DF30 Direct Flo 10 gpm Pump with Polypropylene Body and PTFE Diaphragm
$645.65​/Each
Save 5%2+$613.36/Each
Save 10%4+$581.08/Each
Save 15%12+$548.80/Each
P-453
$645.65​/Each
Drop Ship
3/8" DF30 Direct Flo 10 gpm Pump with Polypropylene Body and Santoprene
98157
3/8" DF30 Direct Flo 10 gpm Pump with Polypropylene Body and Santoprene
$489.48​/Each
Save 5%2+$465.00/Each
Save 10%4+$440.53/Each
Save 15%12+$416.05/Each
P-453
$489.48​/Each
Drop Ship
1/2" DF50 Direct Flo 14 gpm Pump with Conductive Acetal Body and PTFE Diaphragm
98158
1/2" DF50 Direct Flo 14 gpm Pump with Conductive Acetal Body and PTFE Diaphragm
$965.86​/Each
Save 5%2+$917.56/Each
Save 10%4+$869.27/Each
Save 15%12+$820.98/Each
P-453
$965.86​/Each
Drop Ship
1/2" DF50 Direct Flo 14 gpm Pump with Conductive Aluminum Body and PTFE Diaphragm
98159
1/2" DF50 Direct Flo 14 gpm Pump with Conductive Aluminum Body and PTFE Diaphragm
$920.12​/Each
Save 5%2+$874.11/Each
Save 10%4+$828.10/Each
Save 15%12+$782.10/Each
P-453
$920.12​/Each
Drop Ship
1/2" DF50 Direct Flo 14 gpm Pump with Polypropylene Body and Santoprene Diaphragm
98160
1/2" DF50 Direct Flo 14 gpm Pump with Polypropylene Body and Santoprene Diaphragm
$568.72​/Each
Save 5%2+$540.28/Each
Save 10%4+$511.84/Each
Save 15%12+$483.41/Each
P-453
$568.72​/Each
Drop Ship
1/2" DF50 Direct Flo 14 gpm Pump with Polypropylene Body and PTFE Diaphragm
98161
1/2" DF50 Direct Flo 14 gpm Pump with Polypropylene Body and PTFE Diaphragm
$747.26​/Each
Save 5%2+$709.89/Each
Save 10%4+$672.53/Each
Save 15%12+$635.17/Each
P-453
$747.26​/Each
Drop Ship
1/2" DF50 Direct Flo 14 gpm Pump with Conductive Kynar® Body and PTFE Diaphragm
98162
1/2" DF50 Direct Flo 14 gpm Pump with Conductive Kynar® Body and PTFE Diaphragm
$1,240.96​/Each
Save 5%2+$1178.91/Each
Save 10%4+$1116.86/Each
Save 15%12+$1054.81/Each
P-453
$1,240.96​/Each
Drop Ship
3/4" DF100 Direct Flo 28 gpm Pump with Polypropylene Body and Santoprene Diaphragm
98163
3/4" DF100 Direct Flo 28 gpm Pump with Polypropylene Body and Santoprene Diaphragm
$1,035.15​/Each
Save 5%2+$983.39/Each
Save 10%4+$931.63/Each
Save 15%12+$879.87/Each
P-453
$1,035.15​/Each
Drop Ship
3/4" DF100 Direct Flo 28 gpm Pump with Polypropylene Body and PTFE Diaphragm
98164
3/4" DF100 Direct Flo 28 gpm Pump with Polypropylene Body and PTFE Diaphragm
$1,150.15​/Each
Save 5%2+$1092.64/Each
Save 10%4+$1035.13/Each
Save 15%12+$977.62/Each
P-453
$1,150.15​/Each
Drop Ship
3/4" DF100 Direct Flo 28 gpm Pump with Conductive Kynar® Body and PTFE Diaphragm
98165
3/4" DF100 Direct Flo 28 gpm Pump with Conductive Kynar® Body and PTFE Diaphragm
$2,082.37​/Each
Save 5%2+$1978.25/Each
Save 10%4+$1874.13/Each
Save 15%12+$1770.01/Each
P-NEW
$2,082.37​/Each
Drop Ship