PF4300 Series Pumps

DYNEX PF4300 SERIES FIXED DISPLACEMENT CHECKBALL PUMPS FOR WATER-BASED FLUIDS

2.2 to 8.2 gpm (8,3 to 31,0 L/min) at 1800 rpm
Maximum: 15 000 psi (1040 bar)

  • Corrosion resistant stainless steel design.
  • A wide range of fluid compatibility, for reliable operation with low-lubricity, low viscosity fluids.
  • Bi-directional rotation providing constant flow direction regardless of drive shaft rotation.
  • Single-fluid design eliminates the need for a lubrication circuit.
  • Shaft Options: Standard keyed, Optional spline.
  • Seal Options: Standard Fluorocarbon with high-pressure shaft seal.
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Product Specifications

Pump ModelsFlow at 1200 rpm
U.S. gpm | L/min
Flow at 1500 rpm
U.S. gpm | L/min
Flow at 1800 rpm
U.S. gpm | L/min
Max. Intermittent
Pressure
(psi)
Max. Intermittent Pressure
(bar)
Min. Speed
(rpm)
Max. Speed
(rpm)
S.A.E. Outlet Port:
PF4303-211.55,61.86,92.28,380005609001800
PF4304-212.18,12.710,13.212,180005609001800
PF4305-212.59,33.111,73.714,080005609001800
PF4306-212.911,03.613,64.416,680005609001800
PF4308-213.613,64.517,05.420,480005609001800
PF4309-214.015,15.018,96.022,780005609001800
PF4310-214.517,15.721,46.825,780005609001800
PF4312-215.520,76.825,98.231,080005609001800
Autoclave/Butech Outlet Port or British Standard Pipe Outlet Port:
PF4303H-211.34,81.66,22.07,515 00010409001800
PF4304H-212.07,62.59,53.111,712 0008309001800
PF4305H-212.38,92.911,03.613,610 0007009001800
PF4306H-212.911,03.613,64.416,610 0007009001800
PF4308H-213.513,24.316,55.319,910 0007009001800
PF4309H-213.914,74.818,25.922,310 0007009001800
PF4310H-214.416,75.521,06.725,310 0007009001800
PF4312H-215.420,46.725,68.130,710 0007009001800

Pump Selection Notes

  1. Ordering these pumps requires a complete model code specifying seal and port options.
  2. Output flows are based on typical performance at rated pressure with pressurized inlet where required.
  3. Models with the high pressure “H” option require the use of outlet port “A” (Autoclave/Butech fitting) or “B” (British Standard Pipe fitting). Pumps with ports for standard S.A.E. fittings are not recommended for operation above 8000 psi (560 bar). Contact the fitting manufacturer for the pressure rating of the fitting.

Literature

3D Model

Videos

Inside the Checkball Hydraulic Pump:
Design and Operating Advantages

An introduction to Dynex checkball hydraulic pumps and their unique design which allows them to operate reliably with a wide range of fluids at high pressures.


 

Split-Flow Hydraulic Pumps for Simplified Circuits

Learn how Dynex hydraulic pumps, with Split-Flow technology, can simplify multiple-function hydraulic systems. With their ability to provide multiple flows from one pump, multiple pumps in a system can be replaced by one Dynex multiple-outlet pump.

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