DF Direct Flo Diaphragm Pumps

The fluid pushes 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, it 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 & 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 & PTFE Diaphragm
Item 98155
1296.67/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
Internet Only
1296.67/Each
3/8" DF30 Direct Flo 10 GPM Pump with Polypropylene Body & PTFE Diaphragm
Item 98156
760/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
Internet Only
760/Each
3/8" DF30 Direct Flo 10 GPM Pump with Polypropylene Body & Santoprene™ Diaphragm
Item 98157
608.34/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
Internet Only
608.34/Each
1/2" DF50 Direct Flo 14 GPM Pump with Conductive Acetal Body & PTFE Diaphragm
Item 98158
1166.67/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
Internet Only
1166.67/Each
1/2" DF50 Direct Flo 14 GPM Pump with Conductive Aluminum Body & PTFE Diaphragm
Item 98159
1116.67/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
Internet Only
1116.67/Each
1/2" DF50 Direct Flo 14 GPM Pump with Polypropylene Body & Santoprene Diaphragm
Item 98160
690/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
Internet Only
690/Each
1/2" DF50 Direct Flo 14 GPM Pump with Polypropylene Body & PTFE Diaphragm
Item 98161
891.67/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
Internet Only
891.67/Each
1/2" DF50 Direct Flo 14 GPM Pump with Conductive Kynar® Body & PTFE Diaphragm
Item 98162
1506.67/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
Internet Only
1506.67/Each
3/4" DF100 Direct Flo 28 GPM Pump with Polypropylene Body & Santoprene™ Diaphragm
Item 98163
1221.67/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
Internet Only
1221.67/Each
3/4" DF100 Direct Flo 28 GPM Pump with Polypropylene Body & PTFE Diaphragm
Item 98164
1385/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
Internet Only
1385/Each
3/4" DF100 Direct Flo 28 GPM Pump with Conductive Kynar® Body & PTFE Diaphragm
Item 98165
2550/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
Internet Only
2550/Each