Graco Inc.

Endura-Flo 3D  High Pressure Diaphragm Pumps

Extra Life when you want it

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The 3:1 model has no air backing the diaphragm. This Isolated Air Section results in a lower pressure range than the 4:1 model, but will  extend the diaphragm life.

The Isolated Air Section will prevent fluids from enterring the air section and muffler. As there is no air backing the diaphragm, the maintenance cycles are reduced and it has less components to replace.

 

  • Low Pulsation and Low Shear
  • Ideal for fluid transfer and supply, small paint circulation and piggable paint systems
  • Easy access to critical components for easy maintenance and fast repair
  • Diaphragm requires very little solvent to flush
  • 360 ° mounting possibility
  • Consistent start-up pressure (ideal for piggable systems)
  • Pumps are easily configurable for custom installations
  • DataTrek option prevents runaway and tracks material usage
Ogled vrednosti v metrskih merskih enotah. Ogled vrednosti v ameriških merskih enotah.

Endura-Flo 4D350 Diaphragm Pump
Maximum air input pressure
100 psi
7 bar, 0.7 MPa
Maximum inlet feed pressure*
70 psi
4.8 bar, 0.48 MPa
Maximum fluid working pressure
400 psi
28 bar, 2.8 MPa
Maximum static fluid pressure
430 psi
30 bar, 3.0 MPa
Ratio
4:1
4:1
Maximum recommended continuous cycle rate
20 cycles per minute
20 cycles per minute
Volume per cycle (double stroke)
12 oz per cycle
350 cc per cycle
Ambient and operating temperature range. Use dry compressed air when operating at low temperatures.
32 to 122°F
0 to 50°C
Dry suction lift
23 ft
7.0 m
Wet suction lift
29 ft
8.8 m
Air inlet size
1/2 npt
1/2 npt
Fluid inlet size
1 in. Tri-Clamp Flange, 3/4 in npt, or 3/4 in bspp
1 in. Tri-Clamp Flange, 3/4 in npt, or 3/4 in bspp
Fluid outlet size
1 in. Tri-Clamp Flange, 3/4 in npt, or 3/4 in. bspp
1 in. Tri-Clamp Flange, 3/4 in npt, or 3/4 in. bspp
Weight (approximate)
72 lb
33 kg
Wetted parts
stainless steel, perfluoroelastomer (FFKM), PTFE, Polyphenylene Sulfide (PPS)
stainless steel, perfluoroelastomer (FFKM), PTFE, Polyphenylene Sulfide (PPS)
* NOTE: When pressure feeding the pump inlet, do not allow the outlet pressure to exceed the Maximum Fluid Working Pressure. The inlet feed pressure will pressurize the outlet by the corresponding amount.Example: Pressure feeding the inlet with 60 psi and supplying 80 psi air pressure will result in the following: 80 psi * 4:1 + 60 psi = 380 psi fluid pressure.