Hydraulic Pumps

External gear pumps RJ

Hydraulic pumps RJ Pompy zębate RJ are external gear units made of cast iron. Solid construction of these pumps and high quality components allow to operate at 250-280 bar of maximum continuous pressure. These pumps are used in open loop systems and in particular they are used in construction machines (eg loaders, excavators).

 

Maximum continuous pressure up to 280 bar, the displacement range from 23 to 36 cc/rev.

 

artykul kazel rolltorqExternal gear pumps type RJ are double pumps. These pumps are equipped with SAE B flange and five different shafts to choose. Usually, these types of pumps are installed in JCB backhoe loaders : 3CX and 4CX. The gear pumps RJ are used in open loop hydraulic systems.

 

Features:

  • Displacement: from 23 to 36 cm3/rev;
  • Rotational speeds: from 300 to 2500 rpm;
  • The maximum output pressure: from 250/280 bar to 280/300 bar (continuous/peak);
  • Required power: from 21.5 to 30 kW.

 

Advantages:

  • Robust construction;
  • High performance in its category;
  • High quality replacement of main pump in JCB 3CX and 4CX;
  • Durability.

 

Usage
RJ gear pumps are used in construction machinery such as backhoe loaders, articulated loaders, forklift trucks etc. These pumps can also perform very well in hydraulic systems in other mobile machinery, such as agricultural machines.

 

Technical data of the RJ pumps
23 29 36
Displacement cm3/rev 23 29 36

Minimum rotational speed

Maximum rotational speed (continuous)

Maximum rotational speed (peak)

rpm

300

1500

2500

300

1500

2500

300

1500

2500

Maximum flow lpm 57.5 72.5 90
Maximaum output pressure (continuous) bar 280 270 250
Maximum output pressure (peak) bar 300 300 280
Power consumption kW 21.5 26.1 30
Weight kg 27 27 27

 

 

 

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