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
$1,051.47​/Each
Save 5%2+$998.89/Each
Save 10%4+$946.32/Each
Save 15%12+$893.75/Each
P-417
$1,051.47​/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
$640.84​/Each
Save 5%2+$608.79/Each
Save 10%4+$576.75/Each
Save 15%12+$544.71/Each
P-417
$640.84​/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
$485.84​/Each
Save 5%2+$461.54/Each
Save 10%4+$437.25/Each
Save 15%12+$412.96/Each
P-417
$485.84​/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
$958.67​/Each
Save 5%2+$910.73/Each
Save 10%4+$862.80/Each
Save 15%12+$814.87/Each
P-417
$958.67​/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
$913.27​/Each
Save 5%2+$867.60/Each
Save 10%4+$821.94/Each
Save 15%12+$776.28/Each
P-417
$913.27​/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
$564.49​/Each
Save 5%2+$536.26/Each
Save 10%4+$508.04/Each
Save 15%12+$479.81/Each
P-417
$564.49​/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
$741.70​/Each
Save 5%2+$704.61/Each
Save 10%4+$667.53/Each
Save 15%12+$630.44/Each
P-417
$741.70​/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
$1,231.72​/Each
Save 5%2+$1170.13/Each
Save 10%4+$1108.54/Each
Save 15%12+$1046.96/Each
P-417
$1,231.72​/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
$1,027.44​/Each
Save 5%2+$976.06/Each
Save 10%4+$924.69/Each
Save 15%12+$873.32/Each
P-417
$1,027.44​/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
$1,141.59​/Each
Save 5%2+$1084.51/Each
Save 10%4+$1027.43/Each
Save 15%12+$970.35/Each
P-417
$1,141.59​/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
$2,066.87​/Each
Save 5%2+$1963.52/Each
Save 10%4+$1860.18/Each
Save 15%12+$1756.84/Each
P-417
$2,066.87​/Each
Drop Ship