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LMA4VTG90 close circuit variable displacement piston replace Rexroth A4VTG90

Categories Hydraulic Piston Pump
Brand Name: HANJIU
Model Number: A4VTG90
Certification: CE
Place of Origin: CHINA
MOQ: 1 PC
Price: Negotiable
Payment Terms: L/C, D/A, D/P, T/T, Western Union
Supply Ability: 100000 PCS PER YEAR
Delivery Time: 19 WORK DAYS
Packaging Details: 1 PC/ WOODEN / 50X60X60CM
Pressure: 400 bar
Type: Closed circuit
Apply: For drum drive in mobile concrete mixers
Size: 5cc ,,,,,,90cc
Max pressure: 450 bar
Model: LMA4VTG90
For: Sunny
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LMA4VTG90 close circuit variable displacement piston replace Rexroth A4VTG90

LMA4VTG90 close circuit variable displacement piston replace Rexroth A4VTG90


Hanjiu Technology provide Piston hydraulic pumps for construction equipments.

LMA4VTG replace Rexroth A4VTG

Sunny A4VTG90 Rexroth Hydraulic piston Pump

A4VTG90 close circuit variable displacement piston pumps


The inner donkey pump of this pump can oil and control oil source, the inlet/outlet of this pump can connect with two check relief valves which is inside of pump ,and it ensures system never overload , operated directional stably , no concussion , with maximum displacement adjustable system, this pump applied to drive mixing cylinder of concrete transport truck and closed circuit hydraulic system widely.


Specifications:


- High pressure pump for the drum drive in mobile concrete mixers

- Size 5 … 90

- Nominal pressure 400 bar

- Maximum pressure 450 bar

- Closed circuit


Table of values

Size7190
Displacement
geometric, per revolution
Vg maxcm³7190
Nominal pressurepnombar400400
Maximum pressurepmaxbar450450
Maximum speedat Vg maxnnomrpm33003050
Flowat Vg max and nnomqV noml/min234275
Powerat qV nom and ΔpnomPkW156183
Torqueat Vg max and ΔpnomMNm452573
Weight (approx.)mkg5153

Size7190
Displacement
geometric, per revolution
Vg maxcm³7190
Nominal pressurepnombar400400
Maximum pressurepmaxbar450450
Maximum speedat Vg maxnnomrpm33003050
Flowat Vg max and nnomqV noml/min234275
Powerat qV nom and ΔpnomPkW156183
Torqueat Vg max and ΔpnomMNm452573
Weight (approx.)mkg5153

Features:


- Swashplate design Axial variable plunger pump for hydrostatic transmission in a closed circuit.
- The flow is proportional to the drive speed and displacement.
- As the swash plate angle increases from zero to its maximum value, the flow increases proportionally.
- When the swash plate passes through the neutral position, the hydraulic oil flow direction changes smoothly.
- Two pressure relief valves are fitted to the high pressure port to prevent overloading of the hydrostatic drive (pump and motor).
- The high pressure relief valve can also be used as a charge check valve.
- Built-in charge pump rushes current oil pump and controls variable use.

- Optional with coupling flange for direct cardan shaft drive

- Integrated boost pump for boost and pilot oil supply

- Flow direction changes smoothly when the swashplate is moved through the neutral position

- High-pressure relief valves with integrated boost function

- Boost-pressure relief valve

- Through drive for mounting of secondary pumps

- Swashplate design






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