flush valve A2FM45-250

flush valve A2FM45-250

2 month ago

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 3 year year

Product details

the electro-hydraulic valve (EHV) A4VG90/125/180/250, this primarily refers to the Rexroth A4VG series of high-pressure axial piston pumps with electro-hydraulic control functionality, encompassing various displacement specifications such as A4VG90, A4VG125, A4VG180, and A4VG250. Below is a detailed introduction to these specifications:

I. Product Features

• Swashplate axial piston variable displacement pump: Used in closed-circuit hydrostatic transmissions.

• Flow proportional to drive speed and displacement: Capable of infinite variation. Flow increases with swashplate angle from zero to maximum. Swashing the plate past the neutral position can smoothly change the direction of fluid flow.

• Multiple variable displacement methods: Easily matched with various control and regulation systems.

• Protection mechanisms: The pump is equipped with two overflow valves on the high-pressure oil side to protect the hydrostatic transmission (pump and motor) from overload. The high-pressure overflow valve also functions as a make-up valve.

• Built-in auxiliary pump: Serves as both a make-up pump and a control pump. The maximum make-up pressure is limited by a built-in make-up overflow valve.

• Built-in pressure cut-off valve: Equipped in the entire product series.

II. Technical Parameters

• Displacement: The displacements of A4VG90, A4VG125, A4VG180, and A4VG250 are 90, 125, 180, and 250 respectively (specific values may vary by model).

• Common pressure: 400 bar (40 MPa).

• Peak pressure: 450 bar (45 MPa).

III. Typical Applications

• Concrete pump trucks.

• Heavy-duty hydraulic flatbed trucks.

• Hydraulic pump stations.

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 Audited supplier

3 year

Address: Ningbo, China

Main Product: hydraulic motor, gear box, hydraulic pump, hydraulic valve , hydraulic winch, hydraulic system

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