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Home  >  Diaphragm Pumps

Diaphragm Pumps

Diaphragm Pumps
Diaphragm Pumps pulse one or two flexible diaphragms to gently displace liquid; check valves control direction of fluid flow.
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Multi-Position Double-Diaphragm Pump; PP/Santoprene, 1.85 GPM, 115 VAC

  • Product Type: Diaphragm Pumps
  • Wetted materials: Polypropylene body, Santoprene® diaphragm & valves
  • Pressure: 40 psi min
EW-75000-00
In stock.
$185.00 USD/EACH

Qty:

Moderate Flow Positive Displacement Bypass Diaphragm Pump, 1.4 GPM, 115 VAC

  • Product Type: Diaphragm Pumps
  • Wetted materials: Polypropylene body, Santoprene® diaphragm, Viton® valves
  • Port size: 3/8" NPT(F)
EW-75420-00
In stock.
$156.00 USD/EACH

Qty:

Automatic-Demand Diaphragm Pump, 1.4 GPM, 60 psi; 115 VAC

  • Product Type: Diaphragm Pumps
  • Wetted materials: Polypropylene body, Santoprene® diaphragm, Viton® valves
  • Port size: 3/8" NPT(F)
EW-75420-10
In stock.
$168.50 USD/EACH

Qty:

Automatic-Demand Diaphragm Pump, 1.4 GPM, 100 psi; 115 VAC

  • Product Type: Diaphragm Pumps
  • Wetted materials: Nylon body, Santoprene® diaphragm, Viton® valves
  • Port size: 3/8" NPT(F)
EW-75420-20
In stock.
$186.50 USD/EACH

Qty:

Continuous-Duty Double-Diaphragm Pump; PP/Santoprene, 3.5 GPM, 115 VAC

  • Product Type: Diaphragm Pumps
  • Wetted materials: Polypropylene body, Santoprene® diaphragm, nitrile valves
  • Pressure: 20 psi min
EW-75102-00
In stock.
$549.00 USD/EACH

Qty:

Cole-Parmer Self-Priming Micro Pump; 20 uL, PPS/EPDM, 24 VDC

  • Product Type: Diaphragm Pumps
  • Wetted materials: PPS body, EPDM diaphragm & check valve
  • Port size: 1/4"-28
EW-73120-12
Available for order
or call 1-888-358-4705 to order
$266.00 USD/EACH

Qty:

Hydra-Cell High-Pressure Diaphragm Pump, Brass, 3 GPM, 208V/3 Ph/60Hz

  • Product Type: Diaphragm Pumps
  • CE Compliance: Yes
  • Wetted materials: Brass head with Buna N0XS diaphragms and O-rings
EW-75421-11
Usually ships in 14 days.
$2,019.00 USD/EACH

Qty:

Cole-Parmer Self-Priming Micro Pump; 50 uL, PPS/EPDM, 12 VDC

  • Product Type: Diaphragm Pumps
  • Wetted materials: PPS body, EPDM diaphragm & check valve
  • Port size: 1/4"-28
EW-73120-22
Available for order
or call 1-888-358-4705 to order
$266.00 USD/EACH

Qty:

Cole-Parmer Self-Priming Micro Pump; 20 uL, PTFE/PTFE, 24 VDC

  • Product Type: Diaphragm Pumps
  • Wetted materials: PTFE body & diaphragm, Perfluorelastomer check valve
  • Port size: 1/4"-28
EW-73120-32
Available for order
or call 1-888-358-4705 to order
$379.00 USD/EACH

Qty:

Cole-Parmer Self-Priming Micro Pump; 40 uL, PTFE/PTFE, 12 VDC

  • Product Type: Diaphragm Pumps
  • Wetted materials: PTFE body & diaphragm, Perfluorelastomer check valve
  • Port size: 1/4"-28
EW-73120-38
Available for order
or call 1-888-358-4705 to order
$379.00 USD/EACH

Qty:

Quad-Head Diaphragm Pump, for Fluids, 4.9/3.2 LPM; 12 VDC

  • Product Type: Diaphragm Pumps
  • Wetted materials: silicone diaphragm & valves, polypropylene head
  • Port size: 1/4" hose barb
EW-78182-15
Usually ships in 14 days.
$337.00 USD/EACH

Qty:

Cole-Parmer Self-Priming Micro Pump; 20 uL, PTFE/PTFE, 12 VDC

  • Product Type: Diaphragm Pumps
  • Wetted materials: PTFE body & diaphragm, Perfluorelastomer check valve
  • Port size: 1/4"-28
EW-73120-30
Available for order
or call 1-888-358-4705 to order
$379.00 USD/EACH

Qty:

Hydra-Cell High-Pressure Diaphragm Pump, SS, 1 GPM, 208V/3 Ph/60Hz

  • Product Type: Diaphragm Pumps
  • CE Compliance: Yes
  • Wetted materials: 316 SS head with Buna N0XS diaphragms and O-rings
EW-75421-02
Usually ships in 14 days.
$1,365.00 USD/EACH

Qty:

Dual-Head Diaphragm Pump, for Fluids, 2.5/1.2 LPM; 6 VDC

  • Product Type: Diaphragm Pumps
  • Wetted materials: silicone diaphragm & valves, polypropylene head
  • Port size: 1/4" hose barb
EW-78182-00
Usually ships in 14 days.
$233.00 USD/EACH

Qty:

Cole-Parmer Self-Priming Micro Pump; 30 uL, PTFE/PTFE, 12 VDC

  • Product Type: Diaphragm Pumps
  • Wetted materials: PTFE body & diaphragm, Perfluorelastomer check valve
  • Port size: 1/4"-28
EW-73120-34
Available for order
or call 1-888-358-4705 to order
$379.00 USD/EACH

Qty:

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