Product Introduction
ATUS A7VO Series Bent-Axis Variable Displacement Axial Piston Pump is developed for open-circuit hydrostatic transmission. It adopts tapered piston bent-axis rotary assembly design, supporting infinitely variable displacement adjustment. With high rated pressure, outstanding power density and reliable heavy-load performance, it serves as a direct interchange replacement for mobile and industrial high-pressure hydraulic systems. Multiple displacement sizes and various control options are available for selection.
Technical Specifications:
Size NG: 28 / 55 / 80 / 107 / 160 / 250 / 355 / 500
Displacement(cm³): 28.1 / 54.8 / 80 / 107 / 160 / 250 / 355 / 500
Speed(rpm): 3150 / 2500 / 2240 / 2150 / 1900 / 1500 / 1320 / 1200
Flow (L/min) : 89 / 137 / 179 / 230 / 304 / 364 / 455 / 582
N.W.(KG): 17 / 25 / 40 / 49 / 71 / 102 / 173 / 234
Rated Pressure: 350 bar
Reak Pressure: 400 bar
Application Field: Used in various hydraulic systems and engineering equipment to provide hydraulic capalibity and control. It is suiable for a variety of industrial applications and eqiopment, including but not limited to the following areas: construction engineering, agricultural machinery, industrial machinery, excavation and mining, marine engineering.
Features
Bent-axis tapered piston structure, designed for open hydraulic circuits
Infinitely variable displacement adjustment, flow changes with swivel angle
Nominal pressure up to 350 bar, peak pressure 400 bar
Multiple control modes: DR pressure control, LR power control, LRD power control with pressure cut-off, EP electric proportional control
Robust bearing system for heavy cyclic load operation
Wide displacement range from 28 to 500 cc
Bidirectional rotation optional
Optional through-drive for tandem pump combination
Optimized flow distribution, low noise and high volumetric efficiency
Strict factory pressure and leakage testing before shipment
Product Advantages
Excellent high-pressure resistance, stable performance under impact load
Power limit control function effectively protects engine from overload
High transmission efficiency, reduces energy consumption and heat generation
Standard ISO mounting interface, simple drop-in replacement
Strong oil contamination tolerance, fits harsh construction sites
Modular control configuration to match diverse system requirements
Wear-resistant piston and valve plate assembly for extended service life
Flexible seal options (NBR / FKM) for different media
Compact structure, easy layout in limited installation space
Stable supply of common displacement models with competitive lead time
Mounting Method
Standard ISO 3019-2 circular flange mounting; shaft options include straight key shaft and spline shaft.
Rear through-drive version allows stacking auxiliary pumps.
Horizontal and vertical installation are both permitted, oil port orientation can be customized.
Application Range
Concrete pump truck, mobile crane, drilling rig, loader, mining equipment, metallurgical machinery, extrusion machinery and other heavy-duty open-circuit hydraulic systems.
Notes & Service
Please confirm displacement, control type, shaft form, rotation direction and seal material before ordering.
ATUS A7VO series piston pumps support modular assembly and field maintenance.
We provide professional technical support and reliable after-sales service.
FAQ
Q1: How to verify more realistically that ATUS is a factory?
A1: 1)Welcome to visite ATUS workshop by online video Live.
2)Field visite to ATUS manufacturing workshop
Q2: What is the MOQ ?
A2: MOQ 1 PCS
Q3: Can I mark my own brand on the pump?
A3: Sure. Full order Can mark your brand and code
Q4: How long is your delivery time ?
A4: 1).ATUS warehouse stock 2-3 days. No stock 7-15 days
2).ATUS custom production 7-10 days.
3).Mass production: determined according to the quantity
Q5: What payment method is accepted ?
A5: TT,LC,Western union,Trade assurance,VISA
Q6: How to Place your order ?
A6: 1).Tell us Model number ,quantity and other special requirements.
2).Proforma Invoice will be made and send for your approval.
3).Productions will be arranged upon receipt of your approval and payment or deposit.
4).Goods will be delivered as stated on the proforma invoice.
Q7: What kind of inspection you can provide ?
A7: 1).ISO9000 quality system certification.
2).ATUS is tested from material procurement to finished product by different departments such as QA, QC, and sales representatives to ensure that all pumps are in perfect condition prior to shipment. We also accept inspection by a third party you specify.
