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A11V series rexroth Piston Pump

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Description

Rexroth A11V Series Variable Displacement Axial Piston Pumps

1. Series Overview

The Rexroth A11V series consists of high-pressure variable displacement axial piston pumps with a swashplate design, mainly used in open-circuit hydraulic systems for mobile machinery. It includes two main sub-series: A11VO (standard version) and A11VLO (high-speed version with optional impeller pump). These pumps offer stable hydraulic power, precise control, and excellent adaptability to demanding applications such as concrete pump trucks, road machinery, and hoisting equipment.

2. Core Features

  • Swashplate design enables stepless variable displacement between maximum and zero flow.
  • Nominal pressure of 350 bar, maximum pressure up to 400 bar for high-power output.
  • Self-priming capability; optional charge pump (for sizes 130-260) ensures stable oil supply.
  • Through-shaft drive allows mounting of additional pumps (gear pumps/axial piston pumps) of the same nominal size.
  • Externally adjustable power control for on-the-fly performance tuning.
  • Low operating noise, long service life, and compact structure for easy integration.

3. Technical Specifications

Note: All values are theoretical (excluding efficiency and tolerances) and rounded. Units: cm³/rev (displacement), rpm (speed), l/min (flow), kW (power), N·m (torque), kg (weight), N·m/rad (rotary stiffness).

3.1 A11VO Sub-series (Standard Version)

Model
Max Displacement (Vg max)
Max Speed (at Vg max)
Max Speed (at Vg ≤ Vg max)
Max Flow (at Vg max & nmax)
Max Power (at 350 bar)
Max Torque (at 350 bar)
Rotary Stiffness (Z shaft)
Approx. Weight
A11VO 40
42 cm³/rev
3000 rpm
3500 rpm
126 l/min
74 kW
234 N·m
88894 N·m/rad
32 kg
A11VO 60
58.5 cm³/rev
2700 rpm
3250 rpm
158 l/min
92 kW
326 N·m
102440 N·m/rad
40 kg
A11VO 75
74 cm³/rev
2550 rpm
3000 rpm
189 l/min
110 kW
412 N·m
145836 N·m/rad
45 kg
A11VO 95
93.5 cm³/rev
2350 rpm
2780 rpm
220 l/min
128 kW
521 N·m
199601 N·m/rad
53 kg
A11VO 130
130 cm³/rev
2100 rpm
2500 rpm
273 l/min
159 kW
724 N·m
302495 N·m/rad
66 kg
A11VO 145
145 cm³/rev
2200 rpm
2500 rpm
319 l/min
186 kW
808 N·m
302495 N·m/rad
76 kg
A11VO 190
193 cm³/rev
2100 rpm
2100 rpm
405 l/min
236 kW
1075 N·m
346190 N·m/rad
95 kg
A11VO 260
260 cm³/rev
1800 rpm
2300 rpm
468 l/min
273 kW
1448 N·m
686465 N·m/rad
125 kg

3.2 A11VLO Sub-series (High-Speed Version with Charge Pump)

Model
Max Displacement (Vg max)
Max Speed (at Vg max)
Max Flow (at Vg max & nmax)
Max Power (at 350 bar)
Max Torque (at 350 bar)
Approx. Weight
A11VLO 130
130 cm³/rev
2500 rpm
325 l/min
190 kW
724 N·m
72 kg
A11VLO 145
145 cm³/rev
2500 rpm
363 l/min
211 kW
808 N·m
73 kg
A11VLO 190
193 cm³/rev
2500 rpm
483 l/min
281 kW
1075 N·m
104 kg
A11VLO 260
260 cm³/rev
2300 rpm
598 l/min
349 kW
1448 N·m
138 kg

4. Control Options

A variety of control devices are available for the A11V series, including LR (Load Sensing Control), LG (Pressure Limiting Control), DR (Directional Control), DRS (Dual Control), EP (Electro-Hydraulic Control), etc., to match different application requirements.

5. Application Scope

Widely used in construction machinery (concrete pump trucks, scrapers), road machinery (pavers, rollers), compaction machinery, hoisting machinery, and other mobile hydraulic systems requiring high-pressure and precise control.

 

Shipping & Delivery

Process steps:
Customer inquiry: Customers will make inquiries before placing an order to understand product details and communication needs.
Quotation: According to customer needs, provide a formal quotation, including the name, model, quantity, delivery time, payment method, etc. of the goods.
Order confirmation: After the customer confirms the quotation, a formal purchase order will be placed.
Confirm the delivery time: communicate the delivery time with the production department, inform the factory of the order details, and arrange the production plan.
Sign an export contract: After the two parties confirm that it is correct, sign an export contract to establish a trade relationship.
Implement the letter of credit (if applicable): If the payment method of the letter of credit is used, the customer needs to be urged to issue the certificate and review the contents of the letter of credit.
Export stocking: According to the requirements of the contract and the letter of credit, arrange production, purchase raw materials and packaging, and prepare the goods.
Chartering and booking: Contact the freight forwarder to make a booking and arrange the transportation of goods.
Export inspection: Apply to the quality inspection department for export commodity inspection and provide relevant documents.
Apply for a write-off slip: apply for a write-off slip from the foreign exchange management department for subsequent foreign exchange write-off.
Export declaration: Declare exports to the customs and provide documents such as power of attorney for customs declaration, customs declaration form for export goods, commercial invoice, packing list, etc.