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.
  • Split-Flow® models can supply multiple, independent flows from one pump! Multiple flows are achieved by combining the output of individual pistons in various combinations (up to one outlet per piston). This pump has either 3, 5 or 6 pistons depending on the model.
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Product Specifications

Pump Models ①Flow at 1200 rpm ②
U.S. gpm | L/min
Flow at 1500 rpm ②
U.S. gpm | L/min
Flow at 1800 rpm
U.S. gpm | L/min
Max. Pressure
psi | bar
Max. Speed
rpm
SAE Outlet Port:
PF43031.55,61.86,92.28,380005601800
PF43042.18,12.710,13.212,180005601800
PF43052.59,33.111,73.714,080005601800
PF43063.011,43.814,54.617,480005601800
PF43083.613,64.517,05.420,480005601800
PF43094.015,15.018,96.022,780005601800
PF43104.517,15.721,46.825,780005601800
PF43125.520,76.825,98.231,080005601800
Autoclave/Butech Outlet Port or British Standard Pipe Parallel Outlet Port ③:
PF4303H1.34,81.66,22.07,515 00010401800
PF4304H2.07,62.59,53.111,712 0008301800
PF4305H2.38,92.911,03.613,610 0007001800
PF4306H2.810,63.713,94.416,610 0007001800
PF4308H3.513,24.316,55.319,910 0007001800
PF4309H3.914,74.818,25.922,310 0007001800
PF4310H4.416,75.521,06.725,310 0007001800
PF4312H5.420,46.725,68.130,710 0007001800

Pump Selection Notes

  1. Ordering these pumps requires a complete model code specifying seal and port options. Please refer to product literature for complete specifications.
  2. Output flows are based on typical performance using 33 SUS (1,9 cSt) water glycol fluid at maximum pressure with pressurized inlet where required. Consult the Dynex Sales department for a review of applications requiring operation below the minimum speed of 900 rpm.
  3. Models with the high pressure “H” option require the use of outlet port “A” (Autoclave/Butech fitting) or “B” (British Standard Pipe Parallel fitting). Pumps with ports for standard SAE 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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