Product Introduction
ATUS A4VSO series is a swash‑plate type axial piston variable pump specially built for open‑circuit hydrostatic drive systems. Featuring high power‑density and flexible control configurations, it delivers stable hydraulic power for heavy‑duty stationary and mobile equipment. Available in wide displacement range as reliable replacement spare parts for industrial and mobile hydraulic systems
Technical Specifications:
• Sizes (NG): 40 / 71 / 125 / 180 / 250 / 355 / 500 / 750 / 1000
• Displacement(cm³): 40 / 71 / 125 / 180 / 250 / 355 / 500 / 750 / 1000
• Speed(rpm): 2600 / 2200 / 1800 / 1500 / 1320 / 1200 / 1000
• Flow(L/min): 104 / 156 / 225 / 324 / 375 / 533 / 660 / 900 / 1000
• N.W.(KG): 39 / 53 / 88 / 102 / 184 / 207 / 320 / 460 / 605
• Rated Pressure: 350 bar
• Peak Pressure: 400 bar
• Volumetric Efficiency: > 95%
• Application Field: Used in open hydraulic systems, mainly used in the steel industry, paper industry, construction machinery, etc
Features:
• Swash‑plate variable displacement design, flow adjusts continuously by changing swash‑plate angle
• 350 bar nominal working pressure, up to 420 bar peak pressure for heavy‑load continuous operation
• Multiple control modes: constant‑pressure, constant‑power, electro‑proportional for diverse system demands
• Built‑in visual swash‑plate angle indicator for easy status monitoring
• High‑precision full‑roller bearings, extended service life under harsh working conditions
• Excellent suction performance, low noise and high volumetric efficiency
• Through‑shaft optional design, supports tandem multi‑pump combination for complex circuits
• Modular control unit structure, convenient disassembly, inspection and maintenance
• Optional mounting positions, flexible pipeline layout for different installation spaces
• Compatible with mineral oil and HFC fire‑resistant hydraulic fluid for special working conditions
• Standard SAE & ISO mounting flanges, easy retrofit and replacement for original equipment
Application Scope
Widely used in hydraulic presses, metallurgical machinery, forging equipment, mining machinery, marine equipment, ceramic presses, machine tools and heavy‑duty open‑circuit hydraulic stations. Suitable for both stationary industrial units and mobile heavy‑duty equipment.
Notes & Service
Please confirm model, displacement, control type and installation dimension before placing orders.ATUS A4VSO hydraulic pump supports modular replacement and on‑site 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.
