Gold Member Since 2011
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Ningbo Minghe Lisheng Hydraulic Technology Co., Ltd.

Pump, Rexroth Pump, High-Pressure Pump manufacturer / supplier in China, offering Model L-A4V TG90 Axial Piston Pump, Hydraulic Piston Pumpa4vso40, 71, 125, 180, 250, A4vso40, 71, 125, 180, 250 Hydraulic Piston Pump and so on.

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Supplier Homepage Product Hydraulic Pumps Model L-A4V TG90 Axial Piston Pump

Model L-A4V TG90 Axial Piston Pump

FOB Price: US $1 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1/ Piece
Get Latest Price
Production Capacity: 500PCS/Year
Transport Package: Wooden Carton
Payment Terms: L/C, T/T, Paypal, Western Union

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Basic Info
  • Model NO.: A4VTG90
  • Size: A4vtg90
  • Origin: China
  • Pressure Medium: Oil
  • Specification: A4VTG90
Product Description

Hydraulic Units for Travelling Machinery.
Variable axial piston pump of swashplate design for mobile concrete mixers, closed circuit transmission.
Flow is proportional to drive speed and displacement and is infinitely variable Adjust the angle of swashplate to realize the stepless variable Flow direction changes smoothly when the swashplate is moved through the neutral position
Two pressure-relief valves are provided on the high pressure ports to protect the hydrostatic transmission (pump and motor) from overload.
Auxiliary pump as the function of boosting pump & controlling oil pump

The maximum boost pressure is limited by a built-in boost pressure- relief valve
40MPa; Nominal pressure 40MPa
Long service life, high-precision bearings
Variable pump, swashplate design, mobile concrete mixersA4VT 
Operation mode
Pump, closed circuitG
--Displacement Vg max(ml/r)567190
Control device[1-available    2-    on request _     not available; ]
Hydraulic control /  mechanical servo211HW
Proportional control,
with emergency actuation
and spring return

Mechanical stroke limiter
Without Mechanical stroke limiter  [no short code]
With Mechanical stroke limiter  M

With ports X3, X4 for stroking chamber pressure
Without ports X3, X4[no short code]
With ports X3, X4  T


Short code


Direction of rotation
Viewed from shaft endclockwiseR

NBR (nitrile-caoutchouc), shaft seal in FKM (fluor-caoutchouc)  N
FPM (Fluorocarbon rubber to DIN ISO 1629)  V

Shaft end
Splined shaftSAEWithout coupling flangeS
With coupling flangeL

Mounting flange                                                                            56        71      90
SAE  2 hole1__C
  SAE  4 hole_11D

Working fluid port                                          
A and B on same side   [Metric, mounted by bolts. / connected by flange]10
Auxiliary pump & Through drive
Model L-A4V TG90 Axial Piston Pump
Model L-A4V TG90 Axial Piston Pump
Model L-A4V TG90 Axial Piston Pump
Auxiliary pumpMounting flangehub
        1        _                      _F00
        1SAE A   /  2 holeSAE A   [N5/8" _ 9T 16/32DP]F01
        1SAE B /  2 hole  SAE B  [N7/8" _ 13T 16/32DP]F02

With high-pressure pilot relief valve, with by pass system_111
With high-pressure relief valve, direct operated, with by pass system2__5

Filtration, boost circuit                             
  Filtration in suction line of boost pumpS
Rotational speed sensor
withoutrotational speed sensor [no short code]
With rotational speed sensorG

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