Everyone knows that there are many models of Danfoss plunger pumps, and they are very long, making it difficult to remember. People who don't know it may think that most letters belong to the numbered form. In fact, the Danfoss model numbering method is the same as that of many big manufacturers such as: Rexroth, Parker, Eaton, etc. Each group of letters or numbers has its own meaning, and Sheng Hydraulic I quite like this type of model layout, more than many big manufacturers. It should be detailed and accurate, so that we can understand it more clearly as maintenance and sales.

Let Baolilai Hydraulic show you how to understand the model code of Danfoss 90 series piston pumps.

First, let's group the models:

90-L-130-KA-1-NN-80-L-3-F1-H-03-GBA-30-20-24

90: Danfoss piston pump series

L: The pump is counterclockwise (CCW)

130: refers to the displacement of the pump 130.0 cm³/rev [7.93in³/rev]

KA: For the control method is Electrical Displacement Control (EDC) with MS electrical connector

1: A & B port multi-function valve with pressure limiting function (PL)

NN: There is no auxiliary installation flange, that is, we usually say that there is no serial pump port, and the auxiliary pump cannot be connected.

80: Refers to the direction of the oil port is the radial oil port on the same side

L: Integrated pressure oil filter - with filter (long), the filter has a variety of options, long or short, and different filtering methods.

3: No displacement limiter, the displacement limiter refers to the adjustment rods on both sides of the servo cylinder head

F1: 13-tooth spline, 8/16 diameter pitch, is the size of the pump shaft head.

H: 34 cm³/rev [2.07 in³/rev], this letter represents the charge pump displacement.

03: One-way orifice at control oil inlet & Oslash; 0.81 mm [0.032 in]

GBA: Special hardware for low noise oil distribution pan

32: 300 bar [4640 psi] for port A, which refers to the factory setting pressure, which can be adjusted later according to the operating conditions.

20: 200 bar [2900 psi] at port B, refers to the factory set pressure, which can be adjusted later according to the operating conditions.

24: The charge pressure is set at 24 bar [350 psi], which refers to the factory setting pressure, which can be adjusted later according to the operating conditions.

After reading the above model arrangement, do you have an updated understanding of Danfoss plunger pump products? Please pay attention to Hesheng Hydraulics and show you more hydraulic products.

More common models of Danfoss piston pumps:

90-R-075-DD-1-BC-60-P-4-S1-D-G8-GBA-42-42-24

90-R-055-DD-1-NN-80-P-4-S1-C-GB-GBA-42-42-24

90R075DD1BC60P4S1DG8GBA424224

90R055DD1NN80P4S1CGBGBA424224