Products

Bosch Rexroth gear pump

Bosch rexroth Industrial hydraulic pump /water pump/ internal gear pump PGH-2X

Place of Origin:Germany
Brand Name:Rexroth
Product name:Rexroth  gear pump
ModelNumber:PGH-2X
Maximum pressure:350bar
specifications:5-16
Structure: gear pump
Pressure:High Pressure
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Description Product Model Product Resources

 


Bosch rexroth Internal gear pumpsPGH-2X

 
Product description
Hydraulic pumps of type PGH are gap-compensated internal gear pumps with constant displacement.
They basically comprise of housing (1.1), bearing cover (1.2), internal gear (2), pinion shaft (3), plain bearings (4), axial washers (5), end cover (6), mounting flange (7) and stop pin (8), as well as the segment filler element (9) consisting of segment (9.1), segment support (9.2) and the seal rolls (9.3).
Suction and displacement procedure
The hydrodynamically supported pinion shaft (3) drives the internally geared internal gear (2) in the displayed direction of rotation.
During the rotation, there is a volume increase over an angle of approx. 90° in the suction range. An underpressure results and fluid flows into the chambers.
The sickle-shaped segment filler element (9) separates suction and pressure chamber. In the pressure chamber, the teeth of the pinion shaft (3) engage in the space between the teeth of the internal gear (2) again. The liquid is displaced via the pressure channel (P).
Frame size 2, 3
Size 5 … 16
Component series 2X
Maximum operating pressure 350 bar
Maximum displacement 16 cm³
 
Technical data

Frame size

    2 3

Size

     

  5 6 8 11 13 16

Displacement

geometric

Vg

cm³

5.24 6.5 8.2 11 13.3 16

Drive speed

nmin

rpm

600

nmax

rpm

3000

Operating pressure, absolute

Inlet 1)

p

bar

0.8 ... 2

Outlet

continuous

Standard liquid

pN

bar

315

Special fluid 2)

pN

bar

210

Outlet

intermittent

Standard liquid

pmax

bar

350 3) 350

Special fluid 2)

pmax

bar

230

Flow 4)

qV

l/min

7.5 9.3 11.8 15.8 19.1 23

Mass

m

kg

4.3 4.4 4.6 4.8 5 5.3

Shaft load

    Radial and axial forces (e.g. belt pulley) only after coordination

Mounting type

    Flange mounting
1) Short-time, during start 0,6 bar
2) For special fluids, observe the restrictions of the technical data!
3) Maximum 10 s, at most 50 % of the duty cycle
4) at n = 1450 rpm, = 10 bar, = 45 mm2/s
Features
Fixed displacement
Low operating noise
Low flow pulsation
High efficiency also at low speed and viscosity due to sealing gap compensation
Suitable for broad viscosity and speed ranges
All frame sizes and sizes can be arbitrarily combined
Can be combined with internal gear pumps, radial piston pumps and external gear pumps
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                            Internal gear pumpsPGH









 
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