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A4VTG71 A4VTG90 A4VTG 71/90 Charge Oil Pump Spare Parts Hydraulic Pump Parts For

Manin Pump Parts
Model: A4TG
Application: For Engineering Machinery
Country Of Origin: China
Package:Carton
MOQ:one piece
Delivery Time: Within 5 Working Days After Received the Payment.
Payment Term:T/T,Western Union,PayPal,Alibaba
Good quality reliability SPK10/10 SPV10/10 CAT12G CAT14G/16G CAT215 CAT245 for E200B MS180 CATERPILLIAR EXCAVATOR
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  • A4VTG

  • XLF

  • HP055

57 A4VG

Product 

plunger pump A4VTG is a plunger pump famous for high pressure, suitable for the environment requiring high pressure. Therefore, before purchasing this series of plunger pump, it is necessary to determine the required pressure range, so as to prevent it from being unsuitable for the working environment after the purchase. Now let's see what technical parameters plunger pump A4VTG has. Specification: 071, 090 working pressure; Nominal pressure: 40MPa; peak pressure: 45MPa; control mode: HW1 – hydraulic proportional control; mechanical servo; rear handle type hexagon shaft; EP3 - Electrical proportional control with emergency start and spring return U=12VDC EP4 - Electrical proportional control with emergency start and spring return U=24VDC A - HP relief valve with direct control Features: ◆ Swash plate design axial plunger variable pump for hydrostatic transmission in closed loop 


◆ Flow is proportional to drive speed and displacement; As the swash plate angle increases from zero to its maximum value, the flow increases; When the swash plate passes through the neutral position, the flow direction of hydraulic oil will change stably; The high pressure oil port is equipped with two pressure relief valves to prevent overload of hydrostatic drive (pump and motor); High-pressure overflow valve can also be used as oil filling valve; Built-in oil make-up pump acts as feed pump and controls pressure supply; The maximum oil filling pressure is limited by the built-in oil filling overflow valve. Safety note: - The A4 VTG pump is designed for use in closed loop. - Project planning, assembly and commissioning of axial piston elements must be carried out by qualified personnel. 


The work line ports and function ports are designed for hydraulic lines only. – During and shortly after operation, there is a risk of burns in the axial plunger unit (especially electromagnets). Appropriate safety measures should be taken (e.g. wearing protective clothing). - Depending on the different operating conditions (operating pressure, oil temperature) of the axial piston element, the characteristics may change. – Pressure Port: Port and retaining threads are designed for maximum specified pressure. The machine or system manufacturer must ensure that the safety factors of the connecting elements and piping meet the specified operating conditions (pressure, flow, hydraulic oil, temperature). - The data and instructions contained herein must be followed. 


- Use the following tightening torques: · Threaded holes for axial plunger elements: Maximum allowable tightening torque MG max Maximum for threaded holes and must not be exceeded· JOINTS: refer to manufacturer's instructions for tightening torques of joints used· SET SCREWS: For DIN 13 compliant set screws, we recommend that their tightening torques be checked separately according to VDI 2230· Locking Screw: For the metal locking screw supplied with the axial plunger element, apply the tightening torque MV required for the locking screw


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